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xAI models

xAI's Grok models are trained with an emphasis on reasoning and up-to-date knowledge. Zeplik carries the Grok 4.x generation, including the flagship Grok 4.5 and the coding-focused Grok Build.

All 7 xAI models

Grok 4.6Frontier

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

500K ctx66.0 cr/M outAugust 2026
Grok 4.5Frontier

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

500K ctx66.0 cr/M outJuly 2026
Grok Build 0.1Coding

Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

256K ctx22.0 cr/M outMay 2026
Grok 4.3 (batch)General purpose

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...

1M ctx22.0 cr/M outApril 2026
Grok 4.3General purpose

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...

1M ctx27.5 cr/M outApril 2026
Grok 4.20 Multi-AgentGeneral purpose

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...

2M ctx27.5 cr/M outMarch 2026
Grok 4.20General purpose

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...

2M ctx27.5 cr/M outMarch 2026

Pricing at a glance

ModelContextInput cr/MOutput cr/MReleased
Grok 4.6500K22.066.0August 2026
Grok 4.5500K22.066.0July 2026
Grok Build 0.1256K11.022.0May 2026
Grok 4.3 (batch)1M11.022.0April 2026
Grok 4.31M13.827.5April 2026
Grok 4.20 Multi-Agent2M13.827.5March 2026
Grok 4.202M13.827.5March 2026

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xAI Models - Pricing, Context and Capabilities | Zeplik Chat