Grok 4.1 Fast Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.
Grok 4.1 Fast Non Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.
Grok 4 Fast Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.
When each model was first publicly available.
grok-4-latest
grok-4-0709
grok-4-1-fast-reasoning
grok-4-1-fast-non-reasoning
grok-4-fast-reasoning
grok-4-fast-non-reasoning
grok-code-fast-1
grok-4.20-0309-reasoning
grok-4.20-0309-non-reasoning
grok-4.20-multi-agent-0309
grok-3-latest
grok-3-fast-latest
OpenAI's models
Anthropic's Claude models
Google's Gemini models
DeepSeek's chat models
Sim currently tracks 12 xAI models including Grok 4 Latest, Grok 4 0709, Grok 4.1 Fast Reasoning, Grok 4.1 Fast Non Reasoning, Grok 4 Fast Reasoning, Grok 4 Fast Non Reasoning, and more.