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MBABench 2.0 — Medium-Hard

Professional Work · 2026-10-10

Strict numerical and workbook-quality pass rate on the thirty Medium-Hard tasks.

Top models (higher is better)

ModelScore
Claude Fable 5.13.3
Claude Opus 53.3
GPT-6 Astra3.3
Grok 4.60.0
Kimi K30.0
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