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feat(ai): add Claude Fable 5 metadata

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This commit is contained in:
Armin Ronacher
2026-06-09 22:42:48 +02:00
parent a0c2465d47
commit 5a9d72ea02
7 changed files with 60 additions and 6 deletions
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7
packages/ai/test/anthropic-force-adaptive-thinking.test.ts
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@@ -83,6 +83,13 @@ describe("Anthropic forceAdaptiveThinking compat override", () => {
expect(payload.output_config).toEqual({ effort: "medium" });
});
it("uses adaptive thinking with native xhigh effort for Claude Fable 5", async () => {
const payload = await capturePayload(getModel("anthropic", "claude-fable-5"), { reasoning: "xhigh" });
expect(payload.thinking).toEqual({ type: "adaptive", display: "summarized" });
expect(payload.output_config).toEqual({ effort: "xhigh" });
});
it("allows built-in adaptive models to opt out with compat.forceAdaptiveThinking false", async () => {
const model: Model<"anthropic-messages"> = {
...getModel("anthropic", "claude-opus-4-8"),

19
packages/ai/test/bedrock-thinking-payload.test.ts
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@@ -83,6 +83,25 @@ describe("Bedrock thinking payload", () => {
expect(payload.additionalModelRequestFields?.anthropic_beta).toBeUndefined();
});
it("uses adaptive thinking for Claude Fable 5 when reasoning is enabled", async () => {
const model = getModel("amazon-bedrock", "global.anthropic.claude-fable-5");
const payload = await capturePayload(model);
expect(payload.additionalModelRequestFields?.thinking).toEqual({ type: "adaptive", display: "summarized" });
expect(payload.additionalModelRequestFields?.output_config).toEqual({ effort: "high" });
expect(payload.additionalModelRequestFields?.anthropic_beta).toBeUndefined();
});
it("maps xhigh reasoning to effort=xhigh for Claude Fable 5", async () => {
const model = getModel("amazon-bedrock", "global.anthropic.claude-fable-5");
const payload = await capturePayload(model, { reasoning: "xhigh" });
expect(payload.additionalModelRequestFields?.thinking).toEqual({ type: "adaptive", display: "summarized" });
expect(payload.additionalModelRequestFields?.output_config).toEqual({ effort: "xhigh" });
});
it("omits display for GovCloud model ids on non-adaptive Claude thinking", async () => {
const baseModel = getModel("amazon-bedrock", "us.anthropic.claude-sonnet-4-5-20250929-v1:0");
const model: Model<"bedrock-converse-stream"> = {

14
packages/ai/test/supports-xhigh.test.ts
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@@ -20,7 +20,13 @@ describe("getSupportedThinkingLevels", () => {
expect(getSupportedThinkingLevels(model!)).toContain("xhigh");
});
it("does not include xhigh for non-Opus Anthropic models", () => {
it("includes xhigh for Anthropic Claude Fable 5 on anthropic-messages API", () => {
const model = getModel("anthropic", "claude-fable-5");
expect(model).toBeDefined();
expect(getSupportedThinkingLevels(model!)).toContain("xhigh");
});
it("does not include xhigh for Claude Sonnet 4.5", () => {
const model = getModel("anthropic", "claude-sonnet-4-5");
expect(model).toBeDefined();
expect(getSupportedThinkingLevels(model!)).not.toContain("xhigh");
@@ -79,4 +85,10 @@ describe("getSupportedThinkingLevels", () => {
expect(model).toBeDefined();
expect(getSupportedThinkingLevels(model!)).toContain("xhigh");
});
it("includes xhigh for Bedrock Claude Fable 5", () => {
const model = getModel("amazon-bedrock", "global.anthropic.claude-fable-5");
expect(model).toBeDefined();
expect(getSupportedThinkingLevels(model!)).toContain("xhigh");
});
});