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xAI · Active

Grok 4.20 Multi-Agent Beta (0309)

grok family · launched 2026-03-11

MultimodalReasoningTools
AITopic score57.7#65 overall

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

Evidence coverage5%1 evaluations · 1 institutions
Context / maximum output2M / 2Mtokens
Cache / input / output$0.2 · $1.25 · $2.5USD per million tokens
Value / freshness59.1 / 59relative value · release freshness
Product profile

What this model supports

Inputtext, image, pdf
Outputtext
Knowledge cutoffNot disclosed
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 Analysis64.79 indexReading 57.7

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

Configuration: Grok 4.20 Multi-Agent Beta (0309)Open evidence
Arena TextLMArena1,450.7 EloReading 57.7

Direct LMArena text leaderboard result.

Open evidence
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