Anthropic just launched Claude Fable 5.1 and Mythos 5.1.
On Anthropic’s evals, Fable 5.1 scores 55.8% on Terminal-Bench 4.0 vs 42.0% for Fable 5, 52.3% for Opus 5 and 37.3% for GPT-5.6 Sol. Mythos 5.1 reaches 60.9%. Fable is GA today.
Would be interesting to eval how opus 5 performs on tasks autonomously vs iterative tasks
GLM 5.3, GPT 5.6 Luna, Claude Opus 5, Grok 4.6, DeepSeek V4, Kimi K3, and a cloud browser for agents - all FREE.
DuckDuckGo: GPT 5.6 Luna and older models, no signup: LM Arena: free side-by-side, Opus 5, GPT-5.6 Sol, Grok 4.6, Qwen 3.8 Max:
Claude Opus 5 built this school of manta rays in p5.js
It’s a single HTML file with no textures or premade models. All the geometry is recalculated from scratch every frame The wings are built along their own arc length, so they don’t stretch while flapping. A traveling wave
You have reached the end of the archive
All of Claude Opus 5