xAI · Active
grok-4.20-beta-0309-reasoning
grok family · launched 2026-03-09
MultimodalToolsAITopic score59.7#36 overall
Grok model for agentic tool use, reasoning, coding, and live assistance
Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output2M / 30ktokens
Cache / input / output$0.2 · $2 · $6USD per million tokens
Value / freshness57.0 / 60relative value · release freshness
What this model supports
Strengths by domain
Every result has a source
Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.
Human preference & indices2 results
AA IndexArtificial Analysis65.20 indexReading 59.7
Imported from a directly fetched third-party leaderboard.
Configuration: grok-4.20-beta-0309-reasoningOpen evidenceArena TextLMArena1,450.8 EloReading 59.7
Direct LMArena text leaderboard result.
Open evidence