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
28 providers
Reasoning 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
9 providers
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
8 providers
Reasoning Tools JSON

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
4 providers
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

No provider description is available for this model yet.

xai/grok-4.3-latest 1M context $1.25/M input $2.5/M output

Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

x-ai/grok-4.3:batch 1M context $1/M input $2/M output

No provider description is available for this model yet.

xai/grok-4-1-fast-reasoning 2M context $0.2/M input $0.5/M output

No provider description is available for this model yet.

xai/grok-4.20 1M context $1.25/M input $2.5/M output

No provider description is available for this model yet.

xai/grok-4.20-reasoning 1M context $1.25/M input $2.5/M output

No provider description is available for this model yet.

xai/grok-4.20-reasoning-latest 1M context $1.25/M input $2.5/M output

No provider description is available for this model yet.

xai/grok-4.20-non-reasoning 1M context $1.25/M input $2.5/M output

Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

x-ai/grok-4.3 1M context $1.25/M input $2.5/M output

No provider description is available for this model yet.

xai/grok-4.20-multi-agent-0309 1M context $1.25/M input $2.5/M output

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

x-ai/grok-4.20-multi-agent 2M context $1.25/M input $2.5/M output

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

x-ai/grok-4.20 2M context $1.25/M input $2.5/M output

No provider description is available for this model yet.

xai/grok-4-1-fast 2M context $0.2/M input $0.5/M output

No provider description is available for this model yet.

xai/grok-4-1-fast-non-reasoning 2M context $0.2/M input $0.5/M output