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feat: add kimi-2.5 thinking support #12089

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feat: add kimi-2.5 thinking support #12089

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14 changes: 11 additions & 3 deletions packages/opencode/src/provider/transform.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -334,9 +334,7 @@ export namespace ProviderTransform {
id.includes("minimax") ||
id.includes("glm") ||
id.includes("mistral") ||
id.includes("kimi") ||
// TODO: Remove this after models.dev data is fixed to use "kimi-k2.5" instead of "k2p5"
id.includes("k2p5")
id.includes("kimi")
)
return {}

Expand Down Expand Up @@ -617,6 +615,16 @@ export namespace ProviderTransform {
}
}

// kimi-k2.5 supports enabling thinking capability
// https://platform.moonshot.cn/docs/guide/kimi-k2-5-quickstart
if (["k2p5", "kimi-k2.5"].includes(input.model.providerID) && input.model.api.npm === "@ai-sdk/openai-compatible") {
result["thinking"] = {
type: "enabled",
budgetTokens: 31999,
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@rekram1-node rekram1-node Feb 4, 2026

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I think it's only an enabled or disabled thing

Also k2p5 uses anthropic sdk

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@3dot141 3dot141 Feb 5, 2026 •
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k2p5 uses anthropic sdk, but moonshotai-cn use openai-compatible, i mixup.
image
image

sorry, i think this is repeated issues, the pr
https://github.com/anomalyco/opencode/pull/12147/changes
has fixed it

}
result["interleaved"] = { field: "reasoning_content" }
}

if (input.model.providerID === "openai" || input.providerOptions?.setCacheKey) {
result["promptCacheKey"] = input.sessionID
}
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