Grok 4.20 Beta1vsSeed 2.0 Pro

Grok 4.20 Beta1 leads the overall Podium Score by 34.0 points (74.0 vs 40.0).Category wins: Grok 4.20 Beta1 0 — 0 Seed 2.0 Pro.Seed 2.0 Pro is the cheaper pick ($3/M vs $15/M per 1M output tokens). Grok 4.20 Beta1 is faster (50 t/s vs 40 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Grok 4.20 Beta1 is rated higher overall with a Podium Score of 74.0 (vs 40.0 for Seed 2.0 Pro). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Grok 4.20 Beta1 (50 t/s)
Cost Efficiency
Seed 2.0 Pro ($3/M/M)
MetricGrok 4.20 Beta1Seed 2.0 Pro
Podium Score74.0 ▲40.0
Arena Elo1456
Intelligence Index
Coding9.9
Math47.2
Reasoning34.2
Agentic
Knowledge
Multimodal
Long-context13.8
Output speed50 t/s ▲40 t/s
Output price$15/M$3/M ▲
Context window128K131K ▲
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Grok 4.20 Beta1 vs Claude Mythos · Grok 4.20 Beta1 vs Claude Fable 5 · Grok 4.20 Beta1 vs Kimi K3 · Grok 4.20 Beta1 vs Claude Opus 5
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