Grok 4.20 Reasoning
An earlier Grok that thinks before answering, so it is slower.
- Best for
- Deep reasoning
- Superseded by
- Grok 4.3
Context window
1,000,000 tokens
≈ 750,000 words · about 3,000 pages
Modalities
- TextInput and output
- ImageInput only
- AudioNot supported
- VideoNot supported
Features
- StreamingSupported
- Function callingSupported
- Structured outputsSupported
- Fine-tuningNot supported
Tools
- Web searchSupported
- Image generationSupported
- Code interpreterSupported
- Hosted shellSupported
- Apply patchNot supported
- SkillsNot supported
- Computer useNot supported
- Tool searchNot supported
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