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bedrock: Fix Claude Sonnet 5 and Fable 5 routing outside US regions #60378

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Merged
NeelChotai merged 2 commits into from
Jul 4, 2026
+18 −5
Merged

bedrock: Fix Claude Sonnet 5 and Fable 5 routing outside US regions #60378

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bedrock: Fix Claude Sonnet 5 and Fable 5 routing outside US regions
aviddiviner Jul 3, 2026
cc66ee2
fixup
NeelChotai Jul 4, 2026
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23 changes: 18 additions & 5 deletions crates/bedrock/src/models.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -765,11 +765,9 @@ impl Model {

// EU region inference profiles
(
Self::ClaudeFable5
| Self::ClaudeOpus4_8
Self::ClaudeOpus4_8
| Self::ClaudeOpus4_7
| Self::ClaudeOpus4_6
| Self::ClaudeSonnet5
| Self::ClaudeSonnet4_6
| Self::ClaudeSonnet4_5
| Self::ClaudeSonnet4
Expand Down Expand Up @@ -811,6 +809,8 @@ impl Model {
"apac",
) => Ok(format!("{}.{}", region_group, model_id)),

(Self::ClaudeFable5 | Self::ClaudeSonnet5, _) => Ok(format!("global.{}", model_id)),

// Default: use model ID directly
_ => Ok(model_id.into()),
}
Expand Down Expand Up @@ -876,13 +876,26 @@ mod tests {
Model::ClaudeOpus4_8.cross_region_inference_id("eu-west-1", false)?,
"eu.anthropic.claude-opus-4-8"
);
Ok(())
}

#[test]
fn test_inference_profile_only_models_fall_back_to_global() -> anyhow::Result<()> {
assert_eq!(
Model::ClaudeFable5.cross_region_inference_id("eu-west-1", false)?,
"eu.anthropic.claude-fable-5"
"global.anthropic.claude-fable-5"
);
assert_eq!(
Model::ClaudeSonnet5.cross_region_inference_id("eu-west-1", false)?,
"eu.anthropic.claude-sonnet-5"
"global.anthropic.claude-sonnet-5"
);
assert_eq!(
Model::ClaudeFable5.cross_region_inference_id("ap-southeast-2", false)?,
"global.anthropic.claude-fable-5"
);
assert_eq!(
Model::ClaudeSonnet5.cross_region_inference_id("ap-northeast-1", false)?,
"global.anthropic.claude-sonnet-5"
);
Ok(())
}
Expand Down
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