Text Generation
Grok-4
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning effort cannot be specified.
Provider
xai
Context Length
256k
Release Date
2025-07-09
License
proprietary
Knowledge Cutoff
2024-12-31
Country
US 🇺🇸
Model Introduction
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning effort cannot be specified. Pricing increases once the total tokens in a given request is greater than 128k tokens. See more details on the xAI docs
Specs
- Provider
- xai
- Context Length
- 256k
- Release Date
- 2025-07-09
- License
- proprietary
- Knowledge Cutoff
- 2024-12-31
- Country
- US 🇺🇸
Score
AIME 2025
0.917
GPQA
0.875
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