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fix(provider): add jp. prefix auto-assignment for Tokyo region (ap-northeast-1) #7053

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Merged
rekram1-node merged 3 commits into from
Jan 6, 2026
Merged

fix(provider): add jp. prefix auto-assignment for Tokyo region (ap-northeast-1) #7053

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013bdcc
fix(provider): support cross-region inference profile prefixes in mod…
ikeda-tomoya-swx Jan 6, 2026
b28dd2c
fix(provider): 東京リージョン(ap-northeast-1)にjp.プレフィックスを自動付与
ikeda-tomoya-swx Jan 6, 2026
e8007ed
Merge branch 'dev' into fix/bedrock-cross-region-prefix-lookup
ikeda-tomoya-swx Jan 6, 2026
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11 changes: 11 additions & 0 deletions packages/opencode/src/provider/provider.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -266,13 +266,24 @@ export namespace Provider {
}
case "ap": {
const isAustraliaRegion = ["ap-southeast-2", "ap-southeast-4"].includes(region)
const isTokyoRegion = region === "ap-northeast-1"
if (
isAustraliaRegion &&
["anthropic.claude-sonnet-4-5", "anthropic.claude-haiku"].some((m) => modelID.includes(m))
) {
regionPrefix = "au"
modelID = `${regionPrefix}.${modelID}`
} else if (isTokyoRegion) {
// Tokyo region uses jp. prefix for cross-region inference
const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "nova-pro"].some((m) =>
modelID.includes(m),
)
if (modelRequiresPrefix) {
regionPrefix = "jp"
modelID = `${regionPrefix}.${modelID}`
}
} else {
// Other APAC regions use apac. prefix
const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "nova-pro"].some((m) =>
modelID.includes(m),
)
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