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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12 models
xAI Tool calling 8K+
xAI: Grok 4.7 T
Reasoning Tools JSON

xAI's frontier model for long-running agents, coding, knowledge work, and visual projects

xai/grok-4.7 2026-09-21 500K context $2/M input $6/M output
27 providers
xAI: Grok 4.6 T
Reasoning Tools JSON

xAI's frontier model for long-running agents, coding, knowledge work, and visual projects

xai/grok-4.6 2026-08-12 500K context $2/M input $6/M output
34 providers
xAI: Grok 4.5 T
Reasoning Tools JSON

xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk

xai/grok-4.5 2026-07-08 500K context $2/M input $6/M output
29 providers
xAI: Grok 4.3 T
Reasoning Tools JSON

xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk

xai/grok-4.3 2026-04-17 1M context $1.25/M input $2.5/M output
31 providers
xAI: Grok Build 0.1 T
Tools JSON

Fast Grok coding model tuned for agentic engineering and iterative edits

xai/grok-build-0.1 2026-04-16 256K context $1/M input $2/M output
19 providers
xAI: Grok 4.20 (Non-Reasoning) T
Tools JSON

Grok model for agentic tool use, reasoning, coding, and live assistance

xai/grok-4.20-0309-non-reasoning 2026-03-09 1M context $1.25/M input $2.5/M output
11 providers
xAI: Grok 4.20 (Reasoning) T
Tools JSON

Reasoning Grok for document-heavy analysis and long-horizon tool use

xai/grok-4.20-0309-reasoning 2026-03-09 1M context $1.25/M input $2.5/M output
13 providers
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 T
Tools JSON

xAI's fast agentic tool-calling model with a 2M context window; non-reasoning variant for low-latency responses

xai/grok-4.1-fast 2025-11-19 2M context $0.2/M input $0.5/M output
2 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