April 28. One day after Microsoft’s exclusivity expired, GPT-5.5 went live on Amazon Bedrock. Seven years of Azure-only is over. What’s actually shipping GPT-5.5, GPT-5.5 Pro, and GPT-5.4 are callable through Bedrock APIs in limited preview. Same IAM, PrivateLink, CloudTrail, and guardrails AWS shops already use for Claude and Llama. Pricing matches OpenAI’s published rates:… Continue reading