GitHub has added Anthropic's Claude Opus 4.5 to the set of models available in GitHub Copilot Chat, and the model is now selectable directly inside Microsoft developers' primary tools: Visual Studio ...
SpaceXAI launched Grok 4.5 on July 8, 2026, and independent benchmarkers spent the following 24 hours stress-testing every claim. The verdict is more nuanced than either the launch hype or the ...