Releasesby GlyphGPT-5.6 is now the preferred model in Microsoft 365 Copilot
Learn how GPT-5.6 powers Microsoft 365 Copilot with stronger AI capabilities across Word, Excel, PowerPoint, Chat, and Cowork for faster, higher-quality work.
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OpenAI releases
November 2026 digest4 releases
OpenAI releases the GPT-5.6 model family: Sol, Terra and Luna
GPT-5.6 Sol, Terra and Luna span frontier to high-volume workloads, and gpt-5.6 routes to Sol. The family adds Programmatic Tool Calling, explicit prompt caching controls, persisted reasoning and Pro mode, with multi-agent orchestration in beta.
About and activity
OpenAI is an American artificial intelligence (AI) public benefit corporation (PBC) headquartered in San Francisco, California. It develops proprietary generative AI models, particularly its generative pre-trained transformer (GPT) series of large language models.
Official release-notes pages 10
| Release-notes page | Site | Feed |
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| Codex changelog learn.chatgpt.com | learn.chatgpt.com | None |
| Codex releases github.com | github.com | RSS |
| Agents SDK (JS) releases github.com | github.com | RSS |
| Agents SDK (Python) releases github.com | github.com | RSS |
| API changelog (developers) developers.openai.com | developers.openai.com | None |
| ChatGPT , Release Notes help.openai.com | help.openai.com | None |
| ChatGPT Enterprise and Edu release notes help.openai.com | help.openai.com | None |
| Node SDK releases github.com | github.com | RSS |
| Python SDK releases github.com | github.com | RSS |
| Release Notes openai.com | openai.com | None |