Grok 4.20 Beta1vsSeed Oss 36b Instruct

Grok 4.20 Beta1 leads the overall Podium Score by 55.5 points (74.0 vs 18.5).Category wins: Grok 4.20 Beta1 0 — 0 Seed Oss 36b Instruct.Seed Oss 36b Instruct is the cheaper pick ($3/M vs $15/M per 1M output tokens). Seed Oss 36b Instruct is faster (60 t/s vs 50 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Grok 4.20 Beta1 is rated higher overall with a Podium Score of 74.0 (vs 18.5 for Seed Oss 36b Instruct). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Seed Oss 36b Instruct (60 t/s)
Cost Efficiency
Seed Oss 36b Instruct ($3/M/M)
MetricGrok 4.20 Beta1Seed Oss 36b Instruct
Podium Score74.0 ▲18.5
Arena Elo
Intelligence Index
Coding40.0
Math
Reasoning35.0
Agentic
Knowledge45.0
Multimodal30.0
Long-context
Output speed50 t/s60 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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