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pi_harness/packages/ai/test/anthropic-adaptive-thinking-models.test.ts
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2026-07-26 14:02:37 +07:00

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import { describe, expect, it } from "vitest";
import { getModels, getProviders } from "../src/compat.ts";
import type { Api, Model } from "../src/types.ts";
const EXPECTED_CURRENT_ADAPTIVE_THINKING_MODELS = [
"anthropic/claude-fable-5",
"anthropic/claude-opus-4-8",
"anthropic/claude-opus-5",
"anthropic/claude-sonnet-5",
"cloudflare-ai-gateway/claude-fable-5",
"kimi-coding/kimi-for-coding",
"kimi-coding/k3",
"kimi-coding/kimi-for-coding-highspeed",
"opencode/claude-opus-4-8",
"opencode/claude-opus-5",
"vercel-ai-gateway/anthropic/claude-opus-4.8",
"vercel-ai-gateway/anthropic/claude-opus-5",
"vercel-ai-gateway/anthropic/claude-opus-5-fast",
"vercel-ai-gateway/anthropic/claude-sonnet-5",
];
function getAllModels(): Model<Api>[] {
return getProviders().flatMap((provider) => getModels(provider) as Model<Api>[]);
}
describe("Anthropic adaptive thinking model metadata", () => {
it("marks built-in Anthropic Messages models that use adaptive thinking", () => {
const flaggedModels = getAllModels()
.filter((model): model is Model<"anthropic-messages"> => model.api === "anthropic-messages")
.filter((model) => model.compat?.forceAdaptiveThinking === true)
.map((model) => `${model.provider}/${model.id}`)
.sort();
expect(flaggedModels).toEqual(expect.arrayContaining([...EXPECTED_CURRENT_ADAPTIVE_THINKING_MODELS].sort()));
expect(flaggedModels).toEqual(
flaggedModels.filter((modelId) =>
/(opus[-.](4[-.][678]|5)|sonnet[-.]4[-.]6|sonnet[-.]5|fable[-.]5|kimi-coding\/)/.test(modelId),
),
);
});
});