Skip to main content

Best xAI Grok Models in 2026

All xAI Grok models ranked by benchmark performance.

Unless noted otherwise, ranking surfaces on this page use BenchLM's provisional leaderboard lane rather than the stricter sourced-only verified leaderboard.

Bottom line: Grok 4.1 is xAI's best — strong on multimodal (98) and knowledge (95) with perfect multilingual. Grok 4.20 adds stronger coding and instruction following.

According to BenchLM.ai, Grok 4.1 leads this ranking with a score of 80, followed by Grok 4.20 (77) and Grok 4.1 Fast (72). There is meaningful separation between the top models, suggesting genuine performance differences.

All models in this ranking are proprietary. No open-weight alternatives are available for this category.

This ranking is based on provisional overall weighted scores across BenchLM.ai's scoring formula tracked by BenchLM.ai. For detailed model profiles, click any model name below. To compare two specific models head-to-head, use the "vs #" links.

What changed

Grok 4.1 leads xAI's lineup with perfect multilingual and strong multimodal (98).

Grok 4.20 reasoning variant — leads instruction following (98) and coding (80).

Grok 4.1 Fast speed-optimized with strong math (94) and reasoning (89).

How to choose

Full Rankings (6 models)

Grok 4.1
xAI·Proprietary·1M

80

prov. overall

Grok 4.20
xAI·Proprietary·2M

77

prov. overall

Grok 4.1 Fast
xAI·Proprietary·1M

72

prov. overall

4
Grok 4
xAI·Proprietary·128K

67

prov. overall

5
Grok Code Fast 1
xAI·Proprietary·256K

42

prov. overall

6
Grok 3 [Beta]
xAI·Proprietary·128K

34

prov. overall

These rankings update weekly

Get notified when models move. One email a week with what changed and why.

Free. No spam. Unsubscribe anytime.

Key Takeaways

The top model is Grok 4.1 by xAI with a provisional score of 80.

6 models are included in this ranking.

Score in Context

What these scores mean

Models are ranked by the same overall BenchLM score used across all leaderboards. Comparing within xAI's lineup helps identify which model fits your use case and budget.

Known limitations

This page only shows xAI models. Cross-provider comparison requires the overall or category-specific leaderboards. Newer models may have limited benchmark coverage initially.

Last updated: April 21, 2026

The AI models change fast. We track them for you.

For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.

Free. No spam. Unsubscribe anytime.