All tracked xAI models — pricing, context windows, lifecycle state, and release history in one place.
xAI's newest flagship with industry-leading speed and agentic tool calling. 2M context, lowest hallucination rate.
Variant of Grok 4.20 for collaborative agent-based workflows. Multiple agents operate in parallel.
Fast non-reasoning variant. 2M context. Cost leader among frontier-class providers.
xAI's coding-focused model. 256K context, optimized for code generation.
Previous-generation fast Grok. 2M context. Superseded by Grok 4.1 Fast.
Previous-generation Grok flagship. 256K context. Superseded by Grok 4.20.
Smaller Grok 3 variant with reasoning. 131K context. Cost-efficient.
First stable Grok 3 release. 131K context. Superseded by Grok 4.
Predecessor → successor chains tracked for xAI models.
Variant of Grok 4.20 for collaborative agent-based workflows. Multiple agents operate in parallel.
xAI's newest flagship with industry-leading speed and agentic tool calling. 2M context, lowest hallucination rate.
Fast non-reasoning variant. 2M context. Cost leader among frontier-class providers.
Previous-generation fast Grok. 2M context. Superseded by Grok 4.1 Fast.
xAI's coding-focused model. 256K context, optimized for code generation.
Previous-generation Grok flagship. 256K context. Superseded by Grok 4.20.
Smaller Grok 3 variant with reasoning. 131K context. Cost-efficient.
First stable Grok 3 release. 131K context. Superseded by Grok 4.