xAI releases Grok 4.20
xAI released Grok 4.20 with a published system card; an earlier draft entry for "Grok 4.2 (Feb 17, 2026)" had no verifiable official release record and has been corrected to the official one.
GR1 English report
MODEL
Grok 4.20
- Release date:
- 2026-04-07
- Parameters:
- Undisclosed
- Architecture:
- Autoregressive Transformer
- Legacy modality:
- Text
- Openness:
- Closed-source
Related English reports
English reports linked to this entity will appear here as their translations are published.
AI-generated · reviewedImpact 45/100