Grok Composer 2.5 Fast

grok-composer-2.5-fastxaiAvailableReleased 2026-06-01

xAI's low-latency agentic coding tier built on Composer 2.5, optimized for interactive long-running software engineering workflows. xAI has not published official metered pricing for this model; the listed price is a third-party-reported estimate for the fast/interactive tier, not confirmed by xAI's own docs.

TextTools

Context

200K

This is the context limit available through the shared pool and may differ from the provider’s full API window.

Max output

33K

Input pricing

Official $3.00/M

Our price $0.600/M

80% off

Pricing comparison

Each route's consumer price, and what multiple of the official list price it charges. Requests start at the cheapest route and only move to the next one when it fails, so you normally pay the top rate here. Lowest ready quote is marked. USD per million tokens.

Route	Rate	Input	Output	Cache read	Cache write
Official	1x	$3.00/M	$15.00/M	$0.750/M	$3.00/M(Same as Input)
MeridianLowest	0.2x	$0.600/M	$3.00/M	$0.150/M	$0.600/M

/v1/chat/completionsAvailable