Grok 4.20 Beta 0309 ReasoningvsMinimax M2.1 Preview

Grok 4.20 Beta 0309 Reasoning leads the overall Podium Score by 5.0 points (74.0 vs 69.0).Category wins: Grok 4.20 Beta 0309 Reasoning 0 — 0 Minimax M2.1 Preview.Minimax M2.1 Preview is the cheaper pick ($3/M vs $15/M per 1M output tokens). Grok 4.20 Beta 0309 Reasoning is faster (50 t/s vs 50 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Grok 4.20 Beta 0309 Reasoning is rated higher overall with a Podium Score of 74.0 (vs 69.0 for Minimax M2.1 Preview). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Grok 4.20 Beta 0309 Reasoning (50 t/s)
Cost Efficiency
Minimax M2.1 Preview ($3/M/M)
MetricGrok 4.20 Beta 0309 ReasoningMinimax M2.1 Preview
Podium Score74.0 ▲69.0
Arena Elo
Intelligence Index
Coding
Math
Reasoning
Agentic
Knowledge
Multimodal
Long-context
Output speed50 t/s50 t/s
Output price$15/M$3/M ▲
Context window128K128K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Grok 4.20 R vs Claude Mythos · Grok 4.20 R vs Claude Fable 5 · Grok 4.20 R vs Kimi K3 · Grok 4.20 R vs Claude Opus 5
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