Grok 4 1 Fast ReasoningvsMistral Medium 2505

Grok 4 1 Fast Reasoning leads the overall Podium Score by 3.0 points (72.0 vs 69.0).Category wins: Grok 4 1 Fast Reasoning 0 — 0 Mistral Medium 2505.Mistral Medium 2505 is the cheaper pick ($6/M vs $15/M per 1M output tokens). Grok 4 1 Fast Reasoning is faster (50 t/s vs 50 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Grok 4 1 Fast Reasoning is rated higher overall with a Podium Score of 72.0 (vs 69.0 for Mistral Medium 2505). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Grok 4 1 Fast Reasoning (50 t/s)
Cost Efficiency
Mistral Medium 2505 ($6/M/M)
MetricGrok 4 1 Fast ReasoningMistral Medium 2505
Podium Score72.0 ▲69.0
Arena Elo
Intelligence Index
Coding
Math
Reasoning
Agentic
Knowledge
Multimodal
Long-context
Output speed50 t/s50 t/s
Output price$15/M$6/M ▲
Context window128K128K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Grok 4 1 Fast R vs Claude Mythos · Grok 4 1 Fast R vs Claude Fable 5 · Grok 4 1 Fast R vs Kimi K3 · Grok 4 1 Fast R vs Claude Opus 5
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