OpenAI and Claude APIs Now Migrate to Amazon Bedrock With Minimal Code Changes

Developers using OpenAI or Claude APIs directly can now migrate to Amazon Bedrock with only a few lines of code changes, primarily updating the base URL, credentials, and model ID. OpenAI models including GPT-5.5, GPT-5.6, and GPT-6 Astra are generally available on Bedrock, while Claude models work through the same Messages API already used with Anthropic. Key motivations for enterprise migration include IAM-based access control, private VPC networking, CloudTrail audit logging, consolidated AWS billing, and data protection guarantees. Amazon Bedrock now offers two inference endpoints — bedrock-runtime for existing Bedrock features like Guardrails and Agents, and the newer bedrock-mantle for OpenAI- and Anthropic-compatible API paths. However, some features of the direct APIs remain unavailable on Bedrock, and new capabilities typically reach provider APIs first, making migration less urgent for solo or non-AWS-based projects.
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