Model Launch
Better prompt caching for GPT-6
Learn how GPT-6 improves prompt caching with higher cache hit rates, new diagnostics, explicit breakpoints, and controls that reduce latency and costs.
OpenAI Blog · 23m ago
1 min Model Launch 1 min read
Introducing GPT-6 Sol and Luna
Source: OpenAI Blog
September 22, 2026 · 3h ago
Summary
Meet GPT-6 Sol and Luna, two models that bring frontier intelligence to everyday work with different balances of capability and cost.
Why It Matters
New model releases reshape what developers can build. As capabilities advance, existing applications can be upgraded and entirely new use cases become feasible — making it critical for engineers to evaluate these releases early.
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Claude Opus 5.5 is now available in GitHub Copilot
Claude Opus 5. 5, Anthropic’s newest Opus model, is now available in GitHub Copilot.
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GitHub Changelog · 4h ago
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