Releasesby GlyphBetter prompt caching for GPT-6
OpenAI updated GPT-6 prompt caching with higher cache hit rates, explicit breakpoints, diagnostic tools, and configuration controls designed to lower latency and API costs.
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OpenAI releases
November 2026 digest3 releases
OpenAI releases GPT-6 Sol and GPT-6 Luna reasoning models
Both models take text and image input and return text via the Responses and Chat Completions APIs. Up to 272K input tokens, GPT-6 Sol costs $2 input and $10 output per 1M tokens, and GPT-6 Luna $0.10 and $0.50.
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 |