POPA ReconClaude Opus 5.5: Fable-Level Performance at Opus Prices
Claude Opus 5.5: Fable-Level Performance at Opus Prices Anthropic has released Claude Opus 5.5, the first model in its new 5.5 family. The pitch is that it performs at roughly Fable 5.1's level while costing $4 input / $20 output per million tokens, versus $10 / $50 for Fable. It also runs 30%+ faster than Opus 5. The coding gains are the largest. On Terminal-Bench 4.0 it scores 66.4% against 52.3% for Opus 5 and 57.9% for GPT-6 Astra. In one Anthropic test it audited and fixed a 200K-line codebase in under 3 hours, compared with 20+ hours for Opus 5. It also leads on CursorBench (57.8%) and…
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