Claude Fable 5 Review — Anthropic's Most Powerful Public AI Model Yet | AI Guide & Review -...
Claude Fable 5 — Anthropic's most powerful public AI model. 80.3% on SWE-Bench Pro (vs GPT-5.5 at 58.6%). 1M context, 128k output, $10/$50 per M tokens. On ~5% of sessions, queries fall back to Opus...
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