AWS has retired its Bedrock Access Gateway, an OpenAI-compatible proxy for Amazon Bedrock, as the service now natively supports these APIs. Developers migrating from the gateway must choose between the `bedrock-runtime` and `bedrock-mantle` endpoints, each with different regional availability and model support. While `bedrock-runtime` is recommended for most new applications and offers broader regional access, `bedrock-mantle` is necessary for specific models like GPT-5.4 and GPT-5.5, and for embedding models. AI
IMPACT Developers must update their integrations to use native Bedrock APIs, choosing between different endpoints based on model and regional support.
RANK_REASON AWS retired a sample application (Bedrock Access Gateway) that provided an OpenAI-compatible proxy, as the native service now supports these APIs directly.
- Amazon Bedrock
- Anthropic
- AWS
- Bedrock Access Gateway
- bedrock-mantle
- bedrock-runtime
- GPT-5.4
- GPT-5.5
- OpenAI
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