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ModelActivefamily · Grok

grok-4.20-0309-non-reasoning

xAIdocs.x.ai/developers/models/grok-4.20-0309-non-r

Grok 4.20 is a high-performance model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.

Updated 2 h ago · first seen 11 Sept 2026

model_01M299WBFFVB1CJG1KQZ98Q8E0

Context
1M tokens
T1 · 2 h ago

Specification

Family
Grok

Source:xAI — docsT1observed 2 h agohigh

Context window
1M tokens

Source:xAI — docsT1observed 2 h agohigh

Modalities
image, text

Source:xAI — docsT1observed 2 h agohigh

Input modalities
text, image

Source:xAI — docsT1observed 2 h agohigh

Output modalities
text

Source:xAI — docsT1observed 2 h agohigh

API model id
grok-4.20-0309-non-reasoning

Source:xAI — docsT1observed 2 h agohigh

Official page

Source:xAI — docsT1observed 2 h agohigh

Batch api
Yes

Source:xAI — docsT1observed 2 h agohigh

Regions
us-east-1, us-west-2

Source:xAI — docsT1observed 2 h agohigh

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

14

Source tiers

T114

Freshest observation

2 h ago

Conflicts

None