At a glance

xAIpricing, performance & catalog

The citable facts about xAI's 10 models — sourced from provider APIs and refreshed continuously.

Lowest price
Grok-4 Fast Non-Reasoning at $0.200 per 1M input tokens
Highest throughput
Grok-3 at 100 tokens/s
Lowest latency
Grok-3 at 0.70s
Largest context
Grok-4 Fast Non-Reasoning at 2.0M tokens
Catalog
10 active models from 1 organization

FAQ

Common questions about xAI.

What is xAI?

xAI is an API provider that hosts large language models. Active models: 10; From (input): $0.20 / 1M tok; Avg throughput: 90 tok/s; Avg latency: 0.93 s; Max context: 2.0M.

How many models does xAI offer?

xAI currently serves 10 active models out of 20 historical offerings on LLM Stats.

What is xAI's API pricing?

xAI input pricing starts from $0.20 per 1M tokens, with the most expensive offering at $3 per 1M tokens. See the Pricing tab above for the full per-model breakdown.

How fast is xAI?

xAI averages 90 output tokens per second across its catalog, with average latency of 0.93s. Per-model performance is shown in the Performance tab.

Is xAI OpenAI compatible?

Most providers expose an OpenAI-compatible /v1/chat/completions endpoint so you can switch from OpenAI to xAI by changing only the base URL and API key. Check https://docs.x.ai for the exact endpoint format and any provider-specific parameters.

Does xAI support multimodal models?

Yes. xAI's catalog includes 9 vision-capable, 2 image generation, and 6 video models. See the Models and Capabilities tabs for the full per-model breakdown.

Whose models does xAI host?

xAI hosts models from xAI. See the Models tab for the full catalog grouped by creator.

How do I start using xAI?

Sign up at https://docs.x.ai to get an API key, then call xAI's API directly from your application. Most clients work out of the box by pointing the OpenAI SDK at xAI's base URL with your key. Use the Pricing and Performance tabs above to pick the right model for your latency, cost, and context-window requirements.