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dev/third_party/pi/packages/ai/test/anthropic-adaptive-thinking-models.test.ts
alexion 6081e3e325 chore(vendor): import pi 1.3.0
Imported as a linear vendor commit so forge rebases do not replay the upstream root tree.

git-subtree-dir: third_party/pi

git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0
2026-10-15 17:58:48 -04:00

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TypeScript

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-haiku-5-5",
"anthropic/claude-opus-4-8",
"anthropic/claude-opus-5",
"anthropic/claude-sonnet-5",
"cloudflare-ai-gateway/claude-fable-5",
"fireworks/accounts/fireworks/models/deepseek-v4p1-flash",
"fireworks/accounts/fireworks/models/gpt-oss-120b",
"fireworks/accounts/fireworks/models/qwen3p8-max",
"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-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) =>
// Regression for #9323: Fireworks uses catalog effort metadata and
// verified fallbacks, not a fixed set of adaptive model names.
modelId.startsWith("fireworks/") ||
/(opus[-.](4[-.][678]|5)|sonnet[-.]4[-.]6|sonnet[-.]5|haiku[-.]5[-.]5|fable[-.]5)/.test(modelId),
),
);
});
});