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fix(core): send reasoning.effort for GPT-5.6+ on Bedrock Converse (#48195)

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Aiden Cline
2026-09-09 12:02:31 -05:00
committed by GitHub
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parent ba1448325a
commit 95503c1773
2 changed files with 28 additions and 4 deletions
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packages/core/src/aisdk-native.ts
+8 -1
View File
@@ -210,6 +210,10 @@ function mapBedrockRequest(input: MapInput): Pick<Mapping, "headers" | "body"> {
const reasoning = isRecord(settings.reasoningConfig) ? settings.reasoningConfig : undefined
const anthropic = input.modelID.includes("anthropic")
const openai = input.modelID.includes("openai.")
// Converse passes OpenAI fields through verbatim. gpt-oss (Harmony) takes the
// flat chat-completions `reasoning_effort`; GPT-5.6+ reject it and take the
// Responses-style `reasoning.effort` instead.
const harmony = input.modelID.includes("openai.gpt-oss")
const effort = typeof reasoning?.maxReasoningEffort === "string" ? reasoning.maxReasoningEffort : undefined
const type = typeof reasoning?.type === "string" ? reasoning.type : undefined
const budget = typeof reasoning?.budgetTokens === "number" ? reasoning.budgetTokens : undefined
@@ -236,7 +240,10 @@ function mapBedrockRequest(input: MapInput): Pick<Mapping, "headers" | "body"> {
},
}
: {}),
...(!anthropic && openai && effort !== undefined ? { reasoning_effort: effort } : {}),
...(!anthropic && openai && harmony && effort !== undefined ? { reasoning_effort: effort } : {}),
...(!anthropic && openai && !harmony && effort !== undefined
? { reasoning: { ...(isRecord(additional.reasoning) ? additional.reasoning : {}), effort } }
: {}),
...(!anthropic && !openai && effort !== undefined
? {
reasoningConfig: {
packages/core/test/aisdk-native.test.ts
+20 -3
View File
@@ -251,11 +251,28 @@ describe("AISDKNative", () => {
},
})
for (const modelID of ["openai.gpt-oss-120b-1:0", "global.openai.gpt-5.6-sol", "us.openai.gpt-5.6-sol"]) {
// gpt-oss (Harmony) keeps the flat chat-completions field.
expect(
map("@ai-sdk/amazon-bedrock", { reasoningConfig: { maxReasoningEffort: "high" } }, "openai.gpt-oss-120b-1:0")
?.body,
).toEqual({ additionalModelRequestFields: { reasoning_effort: "high" } })
// GPT-5.6+ reject `reasoning_effort` and take the Responses-style nested field.
for (const modelID of ["global.openai.gpt-5.6-sol", "us.openai.gpt-5.6-sol", "us.openai.gpt-6-astra"]) {
expect(
map("@ai-sdk/amazon-bedrock", { reasoningConfig: { maxReasoningEffort: "high" } }, modelID)?.body,
).toEqual({ additionalModelRequestFields: { reasoning_effort: "high" } })
map("@ai-sdk/amazon-bedrock", { reasoningConfig: { maxReasoningEffort: "none" } }, modelID)?.body,
).toEqual({ additionalModelRequestFields: { reasoning: { effort: "none" } } })
}
expect(
map(
"@ai-sdk/amazon-bedrock",
{
reasoningConfig: { maxReasoningEffort: "high" },
additionalModelRequestFields: { reasoning: { summary: "auto" } },
},
"us.openai.gpt-5.6-sol",
)?.body,
).toEqual({ additionalModelRequestFields: { reasoning: { summary: "auto", effort: "high" } } })
})
test("maps Bedrock Mantle models to their supported native APIs", () => {