Which AI models does xAI serve?

Of the models we benchmark, xAI serves 1 through OpenRouter: Grok 4.7.

What is the most accurate model on xAI?

Grok 4.7 by SpaceXAI, with a verification score of 80.0% (64 of 80 questions correct) in our tests.

Averaged over the models it serves, xAI reported 100% uptime in the 30 minutes before OpenRouter's catalogue was read for our run.

API host · catalogue checked 27 Oct 2026

xAI: models, prices and uptime

xAI serves 1 of the 78 models we benchmark through OpenRouter, 1 of them on no other host. Prices are OpenRouter's list prices per million tokens. We did not measure speed per host.

Models served1of 78 we test

Cheapest host for—No shared models

Median premium—over the cheapest host

Uptime100%last 30 min, average

Most accurate models on xAI

Verification score of each model this host serves

1Grok 4.7SpaceXAI80.0%

Models on xAI

Premium: this host's blended price (3 input : 1 output) against the cheapest host for the same model

Model	Score	Input / 1M	Output / 1M	vs cheapest host	Hosts	Context	Max output	Quantization	Uptime
Grok 4.7	80.0%	$2	$6	Only host	1	500k	450k	—	100%

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xAI: frequently asked questions

Which AI models does xAI serve?: Of the models we benchmark, xAI serves 1 through OpenRouter: Grok 4.7.
What is the most accurate model on xAI?: Grok 4.7 by SpaceXAI, with a verification score of 80.0% (64 of 80 questions correct) in our tests.
How reliable is xAI?: Averaged over the models it serves, xAI reported 100% uptime in the 30 minutes before OpenRouter's catalogue was read for our run.