Claude Fable 5: Anthropic's Mythos-Class Model (2026)
June 10, 2026
Claude Fable 5 is Anthropic's most capable public model yet — a Mythos-class system at $10/$50 that quietly falls back to Claude Opus 4.8 on risky prompts.
Claude Fable 5 is Anthropic's most capable public model yet — a Mythos-class system at $10/$50 that quietly falls back to Claude Opus 4.8 on risky prompts.
Nex-N2-Pro is a free, open-weight 397B MoE coding model from Nex AGI, built on Qwen3.5. We check its benchmarks against GPT-5.5, Opus, and rival open models.
MiniMax M3 is an open-weight coding model whose Sparse Attention runs 1M-token context at 1/20th the compute. Its benchmarks beat GPT-5.5 — with caveats.