fix(ai): expose max thinking for Kimi Coding K3

Closes #6737

packages/ai/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed Kimi Coding K3 thinking-level metadata to expose only the supported `max` level ([#6737](https://github.com/earendil-works/pi/issues/6737)).
+
 ## [0.80.9] - 2026-07-16
 
 ### Added

packages/ai/scripts/generate-models.ts

@@ -1627,6 +1627,7 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
 
 				const normalizedId = kimiAliases.has(modelId) ? "kimi-for-coding" : modelId;
 				const normalizedName = kimiAliases.has(modelId) ? "Kimi For Coding" : m.name || normalizedId;
+				const isKimiK3 = normalizedId === "k3";
 
 				models.push({
 					id: normalizedId,
@@ -1636,7 +1637,8 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
 					// Kimi For Coding's Anthropic-compatible API - SDK appends /v1/messages
 					baseUrl: "https://api.kimi.com/coding",
 					headers: { ...KIMI_STATIC_HEADERS },
-					reasoning: m.reasoning === true,
+					reasoning: isKimiK3 || m.reasoning === true,
+					...(isKimiK3 ? { thinkingLevelMap: KIMI_K3_THINKING_LEVEL_MAP } : {}),
 					input: m.modalities?.input?.includes("image") ? ["text", "image"] : ["text"],
 					cost: {
 						input: m.cost?.input || 0,

packages/ai/src/providers/kimi-coding.models.ts

@@ -30,6 +30,7 @@ export const KIMI_CODING_MODELS = {
 		baseUrl: "https://api.kimi.com/coding",
 		headers: {"User-Agent":"KimiCLI/1.5"},
 		reasoning: true,
+		thinkingLevelMap: {"off":null,"minimal":null,"low":null,"medium":null,"high":null,"xhigh":null,"max":"max"},
 		input: ["text", "image"],
 		cost: {
 			input: 0,

packages/ai/test/supports-xhigh.test.ts

@@ -110,6 +110,12 @@ describe("getSupportedThinkingLevels", () => {
 		}
 	});
 
+	it("includes only max for Kimi Coding K3", () => {
+		const model = getModel("kimi-coding", "k3");
+		expect(model).toBeDefined();
+		expect(getSupportedThinkingLevels(model!)).toEqual(["max"]);
+	});
+
 	it("includes only high for OpenCode Grok Build", () => {
 		const model = getModel("opencode", "grok-build-0.1");
 		expect(model).toBeDefined();