chore: update gpt-5.2-codex references to gpt-5.3-codex

AGENTS.md

@@ -204,8 +204,8 @@ oh-my-opencode/
 
 | Agent | Model | Purpose |
 |-------|-------|---------|
-| Sisyphus | anthropic/claude-opus-4-5 | Primary orchestrator (fallback: kimi-k2.5 → glm-4.7 → gpt-5.2-codex → gemini-3-pro) |
+| Sisyphus | anthropic/claude-opus-4-5 | Primary orchestrator (fallback: kimi-k2.5 → glm-4.7 → gpt-5.3-codex → gemini-3-pro) |
-| Hephaestus | openai/gpt-5.2-codex | Autonomous deep worker, "The Legitimate Craftsman" (requires gpt-5.2-codex, no fallback) |
+| Hephaestus | openai/gpt-5.3-codex | Autonomous deep worker, "The Legitimate Craftsman" (requires gpt-5.3-codex, no fallback) |
 | Atlas | anthropic/claude-sonnet-4-5 | Master orchestrator (fallback: kimi-k2.5 → gpt-5.2) |
 | oracle | openai/gpt-5.2 | Consultation, debugging |
 | librarian | zai-coding-plan/glm-4.7 | Docs, GitHub search (fallback: glm-4.7-free) |

docs/category-skill-guide.md

@@ -22,8 +22,8 @@ A Category is an agent configuration preset optimized for specific domains.
 | Category | Default Model | Use Cases |
 |----------|---------------|-----------|
 | `visual-engineering` | `google/gemini-3-pro` | Frontend, UI/UX, design, styling, animation |
-| `ultrabrain` | `openai/gpt-5.2-codex` (xhigh) | Deep logical reasoning, complex architecture decisions requiring extensive analysis |
+| `ultrabrain` | `openai/gpt-5.3-codex` (xhigh) | Deep logical reasoning, complex architecture decisions requiring extensive analysis |
-| `deep` | `openai/gpt-5.2-codex` (medium) | Goal-oriented autonomous problem-solving. Thorough research before action. For hairy problems requiring deep understanding. |
+| `deep` | `openai/gpt-5.3-codex` (medium) | Goal-oriented autonomous problem-solving. Thorough research before action. For hairy problems requiring deep understanding. |
 | `artistry` | `google/gemini-3-pro` (max) | Highly creative/artistic tasks, novel ideas |
 | `quick` | `anthropic/claude-haiku-4-5` | Trivial tasks - single file changes, typo fixes, simple modifications |
 | `unspecified-low` | `anthropic/claude-sonnet-4-5` | Tasks that don't fit other categories, low effort required |

docs/configurations.md

@@ -725,7 +725,7 @@ All 7 categories come with optimal model defaults, but **you must configure them
 | Category             | Built-in Default Model             | Description                                                          |
 | -------------------- | ---------------------------------- | -------------------------------------------------------------------- |
 | `visual-engineering` | `google/gemini-3-pro-preview`      | Frontend, UI/UX, design, styling, animation                          |
-| `ultrabrain`         | `openai/gpt-5.2-codex` (xhigh)     | Deep logical reasoning, complex architecture decisions               |
+| `ultrabrain`         | `openai/gpt-5.3-codex` (xhigh)     | Deep logical reasoning, complex architecture decisions               |
 | `artistry`           | `google/gemini-3-pro-preview` (max)| Highly creative/artistic tasks, novel ideas                          |
 | `quick`              | `anthropic/claude-haiku-4-5`       | Trivial tasks - single file changes, typo fixes, simple modifications|
 | `unspecified-low`    | `anthropic/claude-sonnet-4-5`      | Tasks that don't fit other categories, low effort required           |
@@ -768,7 +768,7 @@ All 7 categories come with optimal model defaults, but **you must configure them
       "model": "google/gemini-3-pro-preview"
     },
     "ultrabrain": { 
-      "model": "openai/gpt-5.2-codex",
+      "model": "openai/gpt-5.3-codex",
       "variant": "xhigh"
     },
     "artistry": { 
@@ -911,8 +911,8 @@ Categories follow the same resolution logic:
 | Category | Model (no prefix) | Provider Priority Chain |
 |----------|-------------------|-------------------------|
 | **visual-engineering** | `gemini-3-pro` | google → anthropic → zai-coding-plan |
-| **ultrabrain** | `gpt-5.2-codex` | openai → google → anthropic |
+| **ultrabrain** | `gpt-5.3-codex` | openai → google → anthropic |
-| **deep** | `gpt-5.2-codex` | openai → anthropic → google |
+| **deep** | `gpt-5.3-codex` | openai → anthropic → google |
 | **artistry** | `gemini-3-pro` | google → anthropic → openai |
 | **quick** | `claude-haiku-4-5` | anthropic → google → opencode |
 | **unspecified-low** | `claude-sonnet-4-5` | anthropic → openai → google |

docs/features.md

@@ -10,8 +10,8 @@ Oh-My-OpenCode provides 11 specialized AI agents. Each has distinct expertise, o
 
 | Agent | Model | Purpose |
 |-------|-------|---------|
-| **Sisyphus** | `anthropic/claude-opus-4-5` | **The default orchestrator.** Plans, delegates, and executes complex tasks using specialized subagents with aggressive parallel execution. Todo-driven workflow with extended thinking (32k budget). Fallback: kimi-k2.5 → glm-4.7 → gpt-5.2-codex → gemini-3-pro. |
+| **Sisyphus** | `anthropic/claude-opus-4-5` | **The default orchestrator.** Plans, delegates, and executes complex tasks using specialized subagents with aggressive parallel execution. Todo-driven workflow with extended thinking (32k budget). Fallback: kimi-k2.5 → glm-4.7 → gpt-5.3-codex → gemini-3-pro. |
-| **Hephaestus** | `openai/gpt-5.2-codex` | **The Legitimate Craftsman.** Autonomous deep worker inspired by AmpCode's deep mode. Goal-oriented execution with thorough research before action. Explores codebase patterns, completes tasks end-to-end without premature stopping. Named after the Greek god of forge and craftsmanship. Requires gpt-5.2-codex (no fallback - only activates when this model is available). |
+| **Hephaestus** | `openai/gpt-5.3-codex` | **The Legitimate Craftsman.** Autonomous deep worker inspired by AmpCode's deep mode. Goal-oriented execution with thorough research before action. Explores codebase patterns, completes tasks end-to-end without premature stopping. Named after the Greek god of forge and craftsmanship. Requires gpt-5.3-codex (no fallback - only activates when this model is available). |
 | **oracle** | `openai/gpt-5.2` | Architecture decisions, code review, debugging. Read-only consultation - stellar logical reasoning and deep analysis. Inspired by AmpCode. |
 | **librarian** | `zai-coding-plan/glm-4.7` | Multi-repo analysis, documentation lookup, OSS implementation examples. Deep codebase understanding with evidence-based answers. Fallback: glm-4.7-free → claude-sonnet-4-5. |
 | **explore** | `anthropic/claude-haiku-4-5` | Fast codebase exploration and contextual grep. Fallback: gpt-5-mini → gpt-5-nano. |

src/agents/AGENTS.md

@@ -33,8 +33,8 @@ agents/
 ## AGENT MODELS
 | Agent | Model | Temp | Purpose |
 |-------|-------|------|---------|
-| Sisyphus | anthropic/claude-opus-4-5 | 0.1 | Primary orchestrator (fallback: kimi-k2.5 → glm-4.7 → gpt-5.2-codex → gemini-3-pro) |
+| Sisyphus | anthropic/claude-opus-4-5 | 0.1 | Primary orchestrator (fallback: kimi-k2.5 → glm-4.7 → gpt-5.3-codex → gemini-3-pro) |
-| Hephaestus | openai/gpt-5.2-codex | 0.1 | Autonomous deep worker, "The Legitimate Craftsman" (requires gpt-5.2-codex, no fallback) |
+| Hephaestus | openai/gpt-5.3-codex | 0.1 | Autonomous deep worker, "The Legitimate Craftsman" (requires gpt-5.3-codex, no fallback) |
 | Atlas | anthropic/claude-sonnet-4-5 | 0.1 | Master orchestrator (fallback: kimi-k2.5 → gpt-5.2) |
 | oracle | openai/gpt-5.2 | 0.1 | Consultation, debugging |
 | librarian | zai-coding-plan/glm-4.7 | 0.1 | Docs, GitHub search (fallback: glm-4.7-free) |

src/agents/utils.test.ts

@@ -263,7 +263,7 @@ describe("createBuiltinAgents with requiresProvider gating (hephaestus)", () =>
   test("hephaestus is created when openai provider is connected", async () => {
     // #given - openai provider has models available
     const fetchSpy = spyOn(shared, "fetchAvailableModels").mockResolvedValue(
-      new Set(["openai/gpt-5.2-codex"])
+      new Set(["openai/gpt-5.3-codex"])
     )
 
     try {
@@ -280,7 +280,7 @@ describe("createBuiltinAgents with requiresProvider gating (hephaestus)", () =>
   test("hephaestus is created when github-copilot provider is connected", async () => {
     // #given - github-copilot provider has models available
     const fetchSpy = spyOn(shared, "fetchAvailableModels").mockResolvedValue(
-      new Set(["github-copilot/gpt-5.2-codex"])
+      new Set(["github-copilot/gpt-5.3-codex"])
     )
 
     try {
@@ -297,7 +297,7 @@ describe("createBuiltinAgents with requiresProvider gating (hephaestus)", () =>
   test("hephaestus is created when opencode provider is connected", async () => {
     // #given - opencode provider has models available
     const fetchSpy = spyOn(shared, "fetchAvailableModels").mockResolvedValue(
-      new Set(["opencode/gpt-5.2-codex"])
+      new Set(["opencode/gpt-5.3-codex"])
     )
 
     try {
@@ -322,7 +322,7 @@ describe("createBuiltinAgents with requiresProvider gating (hephaestus)", () =>
 
       // #then
       expect(agents.hephaestus).toBeDefined()
-      expect(agents.hephaestus.model).toBe("openai/gpt-5.2-codex")
+      expect(agents.hephaestus.model).toBe("openai/gpt-5.3-codex")
     } finally {
       cacheSpy.mockRestore()
       fetchSpy.mockRestore()
@@ -572,7 +572,7 @@ describe("buildAgent with category and skills", () => {
     const agent = buildAgent(source["test-agent"], TEST_MODEL)
 
     // #then - category's built-in model and skills are applied
-    expect(agent.model).toBe("openai/gpt-5.2-codex")
+    expect(agent.model).toBe("openai/gpt-5.3-codex")
     expect(agent.variant).toBe("xhigh")
     expect(agent.prompt).toContain("Role: Designer-Turned-Developer")
     expect(agent.prompt).toContain("Task description")
@@ -685,9 +685,9 @@ describe("override.category expansion in createBuiltinAgents", () => {
     // #when
     const agents = await createBuiltinAgents([], overrides, undefined, TEST_DEFAULT_MODEL)
 
-    // #then - ultrabrain category: model=openai/gpt-5.2-codex, variant=xhigh
+    // #then - ultrabrain category: model=openai/gpt-5.3-codex, variant=xhigh
     expect(agents.oracle).toBeDefined()
-    expect(agents.oracle.model).toBe("openai/gpt-5.2-codex")
+    expect(agents.oracle.model).toBe("openai/gpt-5.3-codex")
     expect(agents.oracle.variant).toBe("xhigh")
   })
 
@@ -754,9 +754,9 @@ describe("override.category expansion in createBuiltinAgents", () => {
     // #when
     const agents = await createBuiltinAgents([], overrides, undefined, TEST_DEFAULT_MODEL)
 
-    // #then - ultrabrain category: model=openai/gpt-5.2-codex, variant=xhigh
+    // #then - ultrabrain category: model=openai/gpt-5.3-codex, variant=xhigh
     expect(agents.sisyphus).toBeDefined()
-    expect(agents.sisyphus.model).toBe("openai/gpt-5.2-codex")
+    expect(agents.sisyphus.model).toBe("openai/gpt-5.3-codex")
     expect(agents.sisyphus.variant).toBe("xhigh")
   })
 
@@ -769,9 +769,9 @@ describe("override.category expansion in createBuiltinAgents", () => {
     // #when
     const agents = await createBuiltinAgents([], overrides, undefined, TEST_DEFAULT_MODEL)
 
-    // #then - ultrabrain category: model=openai/gpt-5.2-codex, variant=xhigh
+    // #then - ultrabrain category: model=openai/gpt-5.3-codex, variant=xhigh
     expect(agents.atlas).toBeDefined()
-    expect(agents.atlas.model).toBe("openai/gpt-5.2-codex")
+    expect(agents.atlas.model).toBe("openai/gpt-5.3-codex")
     expect(agents.atlas.variant).toBe("xhigh")
   })
 

src/cli/model-fallback.test.ts

@@ -417,7 +417,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then
-      expect(result.agents?.hephaestus?.model).toBe("openai/gpt-5.2-codex")
+      expect(result.agents?.hephaestus?.model).toBe("openai/gpt-5.3-codex")
       expect(result.agents?.hephaestus?.variant).toBe("medium")
     })
 
@@ -429,7 +429,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then
-      expect(result.agents?.hephaestus?.model).toBe("github-copilot/gpt-5.2-codex")
+      expect(result.agents?.hephaestus?.model).toBe("github-copilot/gpt-5.3-codex")
       expect(result.agents?.hephaestus?.variant).toBe("medium")
     })
 
@@ -441,7 +441,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then
-      expect(result.agents?.hephaestus?.model).toBe("opencode/gpt-5.2-codex")
+      expect(result.agents?.hephaestus?.model).toBe("opencode/gpt-5.3-codex")
       expect(result.agents?.hephaestus?.variant).toBe("medium")
     })
 

src/plugin-handlers/config-handler.test.ts

@@ -295,7 +295,7 @@ describe("Prometheus category config resolution", () => {
 
     // then
     expect(config).toBeDefined()
-    expect(config?.model).toBe("openai/gpt-5.2-codex")
+    expect(config?.model).toBe("openai/gpt-5.3-codex")
     expect(config?.variant).toBe("xhigh")
   })
 
@@ -355,7 +355,7 @@ describe("Prometheus category config resolution", () => {
 
     // then - falls back to DEFAULT_CATEGORIES
     expect(config).toBeDefined()
-    expect(config?.model).toBe("openai/gpt-5.2-codex")
+    expect(config?.model).toBe("openai/gpt-5.3-codex")
     expect(config?.variant).toBe("xhigh")
   })
 

src/shared/agent-variant.test.ts

@@ -113,9 +113,9 @@ describe("resolveVariantForModel", () => {
   })
 
   test("returns correct variant for openai provider (hephaestus agent)", () => {
-    // #given hephaestus has openai/gpt-5.2-codex with variant "medium" in its chain
+    // #given hephaestus has openai/gpt-5.3-codex with variant "medium" in its chain
     const config = {} as OhMyOpenCodeConfig
-    const model = { providerID: "openai", modelID: "gpt-5.2-codex" }
+    const model = { providerID: "openai", modelID: "gpt-5.3-codex" }
 
     // #when
     const variant = resolveVariantForModel(config, "hephaestus", model)
@@ -179,7 +179,7 @@ describe("resolveVariantForModel", () => {
         "custom-agent": { category: "ultrabrain" },
       },
     } as OhMyOpenCodeConfig
-    const model = { providerID: "openai", modelID: "gpt-5.2-codex" }
+    const model = { providerID: "openai", modelID: "gpt-5.3-codex" }
 
     // when
     const variant = resolveVariantForModel(config, "custom-agent", model)

src/shared/model-availability.test.ts

@@ -67,7 +67,7 @@ describe("fetchAvailableModels", () => {
       model: {
         list: async () => ({
           data: [
-            { id: "gpt-5.2-codex", provider: "openai" },
+            { id: "gpt-5.3-codex", provider: "openai" },
             { id: "gemini-3-pro", provider: "google" },
           ],
         }),
@@ -77,7 +77,7 @@ describe("fetchAvailableModels", () => {
     const result = await fetchAvailableModels(client)
 
     expect(result).toBeInstanceOf(Set)
-    expect(result.has("openai/gpt-5.2-codex")).toBe(true)
+    expect(result.has("openai/gpt-5.3-codex")).toBe(true)
     expect(result.has("google/gemini-3-pro")).toBe(false)
   })
 
@@ -96,7 +96,7 @@ describe("fetchAvailableModels", () => {
       model: {
         list: async () => ({
           data: [
-            { id: "gpt-5.2-codex", provider: "openai" },
+            { id: "gpt-5.3-codex", provider: "openai" },
             { id: "gemini-3-pro", provider: "google" },
           ],
         }),
@@ -106,7 +106,7 @@ describe("fetchAvailableModels", () => {
     const result = await fetchAvailableModels(client, { connectedProviders: ["openai", "google"] })
 
     expect(result).toBeInstanceOf(Set)
-    expect(result.has("openai/gpt-5.2-codex")).toBe(true)
+    expect(result.has("openai/gpt-5.3-codex")).toBe(true)
     expect(result.has("google/gemini-3-pro")).toBe(true)
   })
 
@@ -134,7 +134,7 @@ describe("fetchAvailableModels", () => {
 
   it("#given cache file with various providers #when fetchAvailableModels called with all providers #then extracts all IDs correctly", async () => {
     writeModelsCache({
-      openai: { id: "openai", models: { "gpt-5.2-codex": { id: "gpt-5.2-codex" } } },
+      openai: { id: "openai", models: { "gpt-5.3-codex": { id: "gpt-5.3-codex" } } },
       anthropic: { id: "anthropic", models: { "claude-sonnet-4-5": { id: "claude-sonnet-4-5" } } },
       google: { id: "google", models: { "gemini-3-flash": { id: "gemini-3-flash" } } },
       opencode: { id: "opencode", models: { "gpt-5-nano": { id: "gpt-5-nano" } } },
@@ -145,7 +145,7 @@ describe("fetchAvailableModels", () => {
     })
 
     expect(result.size).toBe(4)
-    expect(result.has("openai/gpt-5.2-codex")).toBe(true)
+    expect(result.has("openai/gpt-5.3-codex")).toBe(true)
     expect(result.has("anthropic/claude-sonnet-4-5")).toBe(true)
     expect(result.has("google/gemini-3-flash")).toBe(true)
     expect(result.has("opencode/gpt-5-nano")).toBe(true)
@@ -159,7 +159,7 @@ describe("fuzzyMatchModel", () => {
 	it("should match substring in model name", () => {
 		const available = new Set([
 			"openai/gpt-5.2",
-			"openai/gpt-5.2-codex",
+			"openai/gpt-5.3-codex",
 			"anthropic/claude-opus-4-5",
 		])
 		const result = fuzzyMatchModel("gpt-5.2", available)
@@ -185,7 +185,7 @@ describe("fuzzyMatchModel", () => {
 	it("should prefer exact match over substring match", () => {
 		const available = new Set([
 			"openai/gpt-5.2",
-			"openai/gpt-5.2-codex",
+			"openai/gpt-5.3-codex",
 			"openai/gpt-5.2-ultra",
 		])
 		const result = fuzzyMatchModel("gpt-5.2", available)
@@ -794,10 +794,10 @@ describe("fetchAvailableModels with provider-models cache (whitelist-filtered)",
 describe("isModelAvailable", () => {
 	it("returns true when model exists via fuzzy match", () => {
 		// given
-		const available = new Set(["openai/gpt-5.2-codex", "anthropic/claude-opus-4-5"])
+		const available = new Set(["openai/gpt-5.3-codex", "anthropic/claude-opus-4-5"])
 
 		// when
-		const result = isModelAvailable("gpt-5.2-codex", available)
+		const result = isModelAvailable("gpt-5.3-codex", available)
 
 		// then
 		expect(result).toBe(true)
@@ -808,7 +808,7 @@ describe("isModelAvailable", () => {
 		const available = new Set(["anthropic/claude-opus-4-5"])
 
 		// when
-		const result = isModelAvailable("gpt-5.2-codex", available)
+		const result = isModelAvailable("gpt-5.3-codex", available)
 
 		// then
 		expect(result).toBe(false)
@@ -819,7 +819,7 @@ describe("isModelAvailable", () => {
 		const available = new Set<string>()
 
 		// when
-		const result = isModelAvailable("gpt-5.2-codex", available)
+		const result = isModelAvailable("gpt-5.3-codex", available)
 
 		// then
 		expect(result).toBe(false)

src/shared/model-availability.ts

@@ -20,7 +20,7 @@ import { readProviderModelsCache, hasProviderModelsCache, readConnectedProviders
  * If providers array is given, only models starting with "provider/" are considered.
  * 
  * @example
- * const available = new Set(["openai/gpt-5.2", "openai/gpt-5.2-codex", "anthropic/claude-opus-4-5"])
+ * const available = new Set(["openai/gpt-5.2", "openai/gpt-5.3-codex", "anthropic/claude-opus-4-5"])
  * fuzzyMatchModel("gpt-5.2", available) // → "openai/gpt-5.2"
  * fuzzyMatchModel("claude", available, ["openai"]) // → null (provider filter excludes anthropic)
  */
@@ -105,7 +105,7 @@ export function fuzzyMatchModel(
 /**
  * Check if a target model is available (fuzzy match by model name, no provider filtering)
  * 
- * @param targetModel - Model name to check (e.g., "gpt-5.2-codex")
+ * @param targetModel - Model name to check (e.g., "gpt-5.3-codex")
  * @param availableModels - Set of available models in "provider/model" format
  * @returns true if model is available, false otherwise
  */

src/shared/model-requirements.test.ts

@@ -224,35 +224,35 @@ describe("AGENT_MODEL_REQUIREMENTS", () => {
 })
 
 describe("CATEGORY_MODEL_REQUIREMENTS", () => {
-  test("ultrabrain has valid fallbackChain with gpt-5.2-codex as primary", () => {
+  test("ultrabrain has valid fallbackChain with gpt-5.3-codex as primary", () => {
     // given - ultrabrain category requirement
     const ultrabrain = CATEGORY_MODEL_REQUIREMENTS["ultrabrain"]
 
     // when - accessing ultrabrain requirement
-    // then - fallbackChain exists with gpt-5.2-codex as first entry
+    // then - fallbackChain exists with gpt-5.3-codex as first entry
     expect(ultrabrain).toBeDefined()
     expect(ultrabrain.fallbackChain).toBeArray()
     expect(ultrabrain.fallbackChain.length).toBeGreaterThan(0)
 
     const primary = ultrabrain.fallbackChain[0]
     expect(primary.variant).toBe("xhigh")
-    expect(primary.model).toBe("gpt-5.2-codex")
+    expect(primary.model).toBe("gpt-5.3-codex")
     expect(primary.providers[0]).toBe("openai")
   })
 
-  test("deep has valid fallbackChain with gpt-5.2-codex as primary", () => {
+  test("deep has valid fallbackChain with gpt-5.3-codex as primary", () => {
     // given - deep category requirement
     const deep = CATEGORY_MODEL_REQUIREMENTS["deep"]
 
     // when - accessing deep requirement
-    // then - fallbackChain exists with gpt-5.2-codex as first entry, medium variant
+    // then - fallbackChain exists with gpt-5.3-codex as first entry, medium variant
     expect(deep).toBeDefined()
     expect(deep.fallbackChain).toBeArray()
     expect(deep.fallbackChain.length).toBeGreaterThan(0)
 
     const primary = deep.fallbackChain[0]
     expect(primary.variant).toBe("medium")
-    expect(primary.model).toBe("gpt-5.2-codex")
+    expect(primary.model).toBe("gpt-5.3-codex")
     expect(primary.providers[0]).toBe("openai")
   })
 
@@ -480,12 +480,12 @@ describe("ModelRequirement type", () => {
 })
 
 describe("requiresModel field in categories", () => {
-  test("deep category has requiresModel set to gpt-5.2-codex", () => {
+  test("deep category has requiresModel set to gpt-5.3-codex", () => {
     // given
     const deep = CATEGORY_MODEL_REQUIREMENTS["deep"]
 
     // when / #then
-    expect(deep.requiresModel).toBe("gpt-5.2-codex")
+    expect(deep.requiresModel).toBe("gpt-5.3-codex")
   })
 
   test("artistry category has requiresModel set to gemini-3-pro", () => {

src/shared/model-requirements.ts

@@ -26,7 +26,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
   },
   hephaestus: {
     fallbackChain: [
-      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2-codex", variant: "medium" },
+      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.3-codex", variant: "medium" },
     ],
     requiresProvider: ["openai", "github-copilot", "opencode"],
   },
@@ -113,7 +113,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
   },
   ultrabrain: {
     fallbackChain: [
-      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2-codex", variant: "xhigh" },
+      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.3-codex", variant: "xhigh" },
       { providers: ["google", "github-copilot", "opencode"], model: "gemini-3-pro", variant: "high" },
       { providers: ["anthropic"], model: "claude-opus-4-6", variant: "max" },
       { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-5", variant: "max" },
@@ -121,12 +121,12 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
   },
   deep: {
     fallbackChain: [
-      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2-codex", variant: "medium" },
+      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.3-codex", variant: "medium" },
       { providers: ["anthropic"], model: "claude-opus-4-6", variant: "max" },
       { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-opus-4-5", variant: "max" },
       { providers: ["google", "github-copilot", "opencode"], model: "gemini-3-pro", variant: "high" },
     ],
-    requiresModel: "gpt-5.2-codex",
+    requiresModel: "gpt-5.3-codex",
   },
   artistry: {
     fallbackChain: [
@@ -147,7 +147,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
   "unspecified-low": {
     fallbackChain: [
       { providers: ["anthropic", "github-copilot", "opencode"], model: "claude-sonnet-4-5" },
-      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.2-codex", variant: "medium" },
+      { providers: ["openai", "github-copilot", "opencode"], model: "gpt-5.3-codex", variant: "medium" },
       { providers: ["google", "github-copilot", "opencode"], model: "gemini-3-flash" },
     ],
   },

src/tools/delegate-task/constants.ts

@@ -194,8 +194,8 @@ You are NOT an interactive assistant. You are an autonomous problem-solver.
 
 export const DEFAULT_CATEGORIES: Record<string, CategoryConfig> = {
   "visual-engineering": { model: "google/gemini-3-pro" },
-  ultrabrain: { model: "openai/gpt-5.2-codex", variant: "xhigh" },
+  ultrabrain: { model: "openai/gpt-5.3-codex", variant: "xhigh" },
-  deep: { model: "openai/gpt-5.2-codex", variant: "medium" },
+  deep: { model: "openai/gpt-5.3-codex", variant: "medium" },
   artistry: { model: "google/gemini-3-pro", variant: "high" },
   quick: { model: "anthropic/claude-haiku-4-5" },
   "unspecified-low": { model: "anthropic/claude-sonnet-4-5" },
@@ -343,7 +343,7 @@ FOR EVERY TASK, YOU MUST RECOMMEND:
 | Category | Best For | Model |
 |----------|----------|-------|
 | \`visual-engineering\` | Frontend, UI/UX, design, styling, animation | google/gemini-3-pro |
-| \`ultrabrain\` | Complex architecture, deep logical reasoning | openai/gpt-5.2-codex |
+| \`ultrabrain\` | Complex architecture, deep logical reasoning | openai/gpt-5.3-codex |
 | \`artistry\` | Highly creative/artistic tasks, novel ideas | google/gemini-3-pro |
 | \`quick\` | Trivial tasks - single file, typo fixes | anthropic/claude-haiku-4-5 |
 | \`unspecified-low\` | Moderate effort, doesn't fit other categories | anthropic/claude-sonnet-4-5 |

src/tools/delegate-task/tools.test.ts

@@ -30,7 +30,7 @@ describe("sisyphus-task", () => {
       models: {
         anthropic: ["claude-opus-4-5", "claude-sonnet-4-5", "claude-haiku-4-5"],
         google: ["gemini-3-pro", "gemini-3-flash"],
-        openai: ["gpt-5.2", "gpt-5.2-codex"],
+        openai: ["gpt-5.2", "gpt-5.3-codex"],
       },
       connected: ["anthropic", "google", "openai"],
       updatedAt: "2026-01-01T00:00:00.000Z",
@@ -59,7 +59,7 @@ describe("sisyphus-task", () => {
 
       // when / #then
       expect(category).toBeDefined()
-      expect(category.model).toBe("openai/gpt-5.2-codex")
+      expect(category.model).toBe("openai/gpt-5.3-codex")
       expect(category.variant).toBe("xhigh")
     })
 
@@ -69,7 +69,7 @@ describe("sisyphus-task", () => {
 
       // when / #then
       expect(category).toBeDefined()
-      expect(category.model).toBe("openai/gpt-5.2-codex")
+      expect(category.model).toBe("openai/gpt-5.3-codex")
       expect(category.variant).toBe("medium")
     })
   })
@@ -216,7 +216,7 @@ describe("sisyphus-task", () => {
         app: { agents: async () => ({ data: [] }) },
         config: { get: async () => ({}) }, // No model configured
         provider: { list: async () => ({ data: { connected: ["openai"] } }) },
-        model: { list: async () => ({ data: [{ provider: "openai", id: "gpt-5.2-codex" }] }) },
+        model: { list: async () => ({ data: [{ provider: "openai", id: "gpt-5.3-codex" }] }) },
         session: {
           create: async () => ({ data: { id: "test-session" } }),
           prompt: async () => ({ data: {} }),
@@ -1754,7 +1754,7 @@ describe("sisyphus-task", () => {
         abort: new AbortController().signal,
       }
 
-      // when - using ultrabrain category (default model is openai/gpt-5.2-codex)
+      // when - using ultrabrain category (default model is openai/gpt-5.3-codex)
       await tool.execute(
         {
           description: "Override precedence test",
@@ -1805,7 +1805,7 @@ describe("sisyphus-task", () => {
         client: mockClient,
         sisyphusJuniorModel: "anthropic/claude-sonnet-4-5",
         userCategories: {
-          ultrabrain: { model: "openai/gpt-5.2-codex" },
+          ultrabrain: { model: "openai/gpt-5.3-codex" },
         },
       })
 
@@ -1830,7 +1830,7 @@ describe("sisyphus-task", () => {
 
       // then - explicit category model should win
       expect(launchInput.model.providerID).toBe("openai")
-      expect(launchInput.model.modelID).toBe("gpt-5.2-codex")
+      expect(launchInput.model.modelID).toBe("gpt-5.3-codex")
     })
   })
 
@@ -2083,7 +2083,7 @@ describe("sisyphus-task", () => {
       
       // then - catalog model is used
       expect(resolved).not.toBeNull()
-      expect(resolved!.config.model).toBe("openai/gpt-5.2-codex")
+      expect(resolved!.config.model).toBe("openai/gpt-5.3-codex")
       expect(resolved!.config.variant).toBe("xhigh")
     })
 
@@ -2107,10 +2107,10 @@ describe("sisyphus-task", () => {
       // when
       const resolved = resolveCategoryConfig(categoryName, { inheritedModel, systemDefaultModel: SYSTEM_DEFAULT_MODEL })
       
-      // then - category's built-in model wins (ultrabrain uses gpt-5.2-codex)
+      // then - category's built-in model wins (ultrabrain uses gpt-5.3-codex)
       expect(resolved).not.toBeNull()
       const actualModel = resolved!.config.model
-      expect(actualModel).toBe("openai/gpt-5.2-codex")
+      expect(actualModel).toBe("openai/gpt-5.3-codex")
     })
 
     test("when user defines model - modelInfo should report user-defined regardless of inheritedModel", () => {
@@ -2164,12 +2164,12 @@ describe("sisyphus-task", () => {
       const categoryName = "ultrabrain"
       const inheritedModel = "anthropic/claude-opus-4-5"
       
-      // when category has a built-in model (gpt-5.2-codex for ultrabrain)
+      // when category has a built-in model (gpt-5.3-codex for ultrabrain)
       const resolved = resolveCategoryConfig(categoryName, { inheritedModel, systemDefaultModel: SYSTEM_DEFAULT_MODEL })
       
       // then category's built-in model should be used, NOT inheritedModel
       expect(resolved).not.toBeNull()
-      expect(resolved!.model).toBe("openai/gpt-5.2-codex")
+      expect(resolved!.model).toBe("openai/gpt-5.3-codex")
     })
 
     test("FIXED: systemDefaultModel is used when no userConfig.model and no inheritedModel", () => {