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Grok 4.20 0309 (Reasoning)

Grok 4.20 · Released 2026-03-10

AA Intelligence Index 36.5. Listed on Artificial Analysis with API pricing $2/$6 per 1M tokens. Benchmark rows sync from the AA snapshot — see the ledger on this page.

Frontier model tracked on Artificial Analysis. Use the benchmark ledger below for sourced scores; we do not infer numbers beyond published rows.

Composite0
Context128K
Input / 1M$2.0
Output / 1M$6.0
Knowledge cutoffopen
Statussolid
Not enough families covered yet.Add more benchmark rows for Grok 4.20 0309 (Reasoning) to see the radar.
Benchmark placements

Where Grok 4.20 0309 (Reasoning) places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

No benchmark rows yet for Grok 4.20 0309 (Reasoning).

Family context

The three highest-scoring carded models in each capability family. Where Grok 4.20 0309 (Reasoning) shows up, it's highlighted.

Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

No family coverage yet.
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover or tab any dot for name, score, and input price.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMiniMaxxAIMetaZhipuXiaomiOtherMeituanCohere

Full benchmark ledger

Every catalog benchmark for Grok 4.20 0309 (Reasoning). Scores link to the original source; gaps mean no public row exists yet.

0 sourced rows

1 of 32 catalog benchmarks have a sourced row for Grok 4.20 0309 (Reasoning).

Agentic

Sources