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xAI · Active

grok-4.20-beta1

grok family · launched 2026-04-08

ReasoningTools
AITopic score55.3#79 overall

Grok model for agentic tool use, reasoning, coding, and live assistance

Evidence coverage5%1 evaluations · 1 institutions
Context / maximum output262k / 8.2ktokens
Cache / input / output— · $2 · $6USD per million tokens
Value / freshness47.4 / 63relative value · release freshness
Product profile

What this model supports

Inputtext
Outputtext
Knowledge cutoff2025-09
WeightsProprietary / hosted
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

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 Analysis64.56 indexReading 55.3

Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: grok-4.20-beta1Open evidence
Arena TextLMArena1,444.6 EloReading 55.3

Direct LMArena text leaderboard result.

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