ModelBench
Model catalog

Models

Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.

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4 models
xAI poe Not published
xAI: X-Ai/Grok-4-Fast-Reasoning T
Reasoning Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-4-fast-reasoning 2025-12-18 2M context $0.2/M input $0.5/M output
2 providers
xAI: X-Ai/Grok-4-Fast-Non-Reasoning T
Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-4-fast-non-reasoning 2025-12-18 2M context $0.2/M input $0.5/M output
3 providers
xAI: Grok 4.1 Fast (Reasoning) T
Reasoning Tools

xAI's fast agentic tool-calling model with a 2M context window and built-in reasoning

xai/grok-4.1-fast-reasoning 2025-11-19 2M context $0.2/M input $0.5/M output
5 providers
xAI: x-AI/Grok-Code-Fast 1 T
Reasoning Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-code-fast-1 2025-09-02 256K context $0.2/M input $1.5/M output
2 providers