xAI / Grok · 8 models on OpenRouter

Best xAI / Grok Models (2026)

Grok 4, Grok 3, and the full xAI lineup compared. xAI's Grok models have rapidly improved and now compete with top-tier models on coding and reasoning tasks.

Top xAI / Grok models by benchmark

#ModelScoreIn / 1MOut / 1MContext
1 SpaceXAI: Grok 4.7 100 $1.60 $4.80 500,000 Details
2 SpaceXAI: Grok 4.6 100 $2.00 $6.00 500,000 Details
3 SpaceXAI: Grok 4.5 100 $2.00 $6.00 500,000 Details
4 SpaceXAI: Grok Build 0.1 100 $1.00 $2.00 256,000 Details
5 SpaceXAI: Grok 4.3 100 $1.25 $2.50 1,000,000 Details
6 SpaceXAI: Grok 4.3 (batch) 100 $1.00 $2.00 1,000,000 Details
7 SpaceXAI: Grok 4.20 100 $1.25 $2.50 2,000,000 Details
8 SpaceXAI: Grok 4.20 Multi-Agent 98 $1.25 $2.50 2,000,000 Details

xAI / Grok strengths by task

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.