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feat: add Mistral Medium 3.5 with reasoning support (#24996)

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Ruben De Smet 2026-04-29 23:26:24 +02:00 • committed by GitHub
parent 1124ae17b4
commit 639e27c3ce
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2 changed files with 21 additions and 3 deletions
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5
packages/opencode/src/provider/transform.ts
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@ -760,9 +760,10 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
// https://v5.ai-sdk.dev/providers/ai-sdk-providers/mistral
// https://docs.mistral.ai/capabilities/reasoning/adjustable
if (!model.capabilities.reasoning) return {}
// Only Mistral Small 4 supports reasoning (mistral-small-2603, mistral-small-latest)
// Only Mistral Small 4 and Medium 3.5 support reasoning
const MISTRAL_REASONING_IDS = ["mistral-small-2603", "mistral-small-latest", "mistral-medium-3.5"]
const mistralId = model.api.id.toLowerCase()
if (!mistralId.includes("mistral-small-2603") && !mistralId.includes("mistral-small-latest")) return {}
if (!MISTRAL_REASONING_IDS.some((id) => mistralId.includes(id))) return {}
return {
high: { reasoningEffort: "high" },
}

19
packages/opencode/test/provider/transform.test.ts
View file

@ -2257,7 +2257,7 @@ describe("ProviderTransform.variants", () => {
expect(result).toEqual({})
})
test("mistral with reasoning returns variants", () => {
test("mistral models with reasoning support return variants", () => {
const model = createMockModel({
id: "mistral/mistral-small-latest",
providerID: "mistral",
@ -2274,6 +2274,23 @@ describe("ProviderTransform.variants", () => {
})
})
test("mistral-medium-3.5 with reasoning returns variants", () => {
const model = createMockModel({
id: "mistral/mistral-medium-3.5",
providerID: "mistral",
api: {
id: "mistral-medium-3.5",
url: "https://api.mistral.com",
npm: "@ai-sdk/mistral",
},
capabilities: { reasoning: true },
})
const result = ProviderTransform.variants(model)
expect(result).toEqual({
high: { reasoningEffort: "high" },
})
})
test("mistral without reasoning returns empty object", () => {
const model = createMockModel({
id: "mistral/mistral-large",