GPT-5.5, Codex GA on Bedrock; MiMo Code Open-Source; Claude Fable Guardrail Apology

Today's Highlights

OpenAI's GPT-5.5 and Codex are now generally available on Amazon Bedrock, enhancing access to advanced models for developers. Simultaneously, Xiaomi has open-sourced MiMo Code, a comprehensive MLOps platform, while Anthropic addressed concerns over hidden guardrails in Claude Fable 5.

OpenAI's GPT-5.5 and Codex Reach General Availability on Amazon Bedrock (InfoQ)

Source: https://www.infoq.com/news/2026/06/openai-frontier-models-aws/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=global