Codex 0.161.0 makes GPT-6.1 Sol the default and adds /mcp login
TL;DR
- On 7 October OpenAI published release notes for Codex 0.161.0 on GitHub.
- GPT-6.1 Sol is now the default model, including in the Amazon Bedrock catalog, and /mcp login signs in to MCP servers from the terminal.
- The full changelog lists about 150 pull requests from about 40 contributors.