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Grok 4.1 Fast (reasoning)

Canonical UID: xai/grok-4-1-fast-reasoning · Released: 2025-11-19

Measured configurations of Grok 4.1 Fast (reasoning) across benchmark suites. Exact machine values in site.json and data dumps.
Domain Benchmark Effort / Mode ⚡ Value/Cost # 🏆 Performance # Score Task $ Unit Cost $ Unit
Code ALE-Bench STD #33 / 94 #85 / 94 394.93 $0.009221 $0.00002335 rating point
Reason ProofBench STD #49 / 62 #62 / 62 0.04 $0.096578 $2.414 correct answer

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