Grok 4.20 Reasoning
An earlier Grok that thinks before answering, so it is slower.
Superseded by Grok 4.3 →
Modalities
Context window
1,000,000 tokens, ≈ 750,000 words · about 3,000 pages
Providers
Files you can attach
- ImagesJPG, PNG
- DocumentsNot supported
- Text and codeTXT, MD, CSV, TSV, RPT, LOG, PY, TS, TSX, JS, JSX, CS, GO, JAVA, KT, SWIFT, CPP, C, H, PHP, RB, SQL, SH, PS1, HTML, CSS, SCSS, JSON, YAML, YML, XML, INI
Tools
- Web searchSupported
- Image generationSupported
- Code interpreterSupported
- Hosted shellSupported
- Apply patchNot supported
- SkillsNot supported
- Computer useNot supported
- Tool searchNot supported
Features
- StreamingSupported
- Function callingSupported
- Structured outputsSupported
- Fine-tuningNot supported