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Best Anthropic Models in 2026

All Anthropic Claude 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: Claude Mythos Preview leads the entire leaderboard. Claude Opus 4.6 is the most balanced option, and Claude Sonnet 4.6 offers strong mid-tier performance at lower cost.

According to BenchLM.ai, Claude Mythos Preview leads this ranking with a score of 99, followed by Claude Opus 4.7 (97) and Claude Opus 4.6 (91). 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

Claude Mythos Preview entered at #1 — highest-scoring model on the entire BenchLM leaderboard.

Claude Opus 4.6 most balanced Anthropic model — consistent across all 8 categories.

Claude Sonnet 4.6 best mid-tier option with strong multimodal (95).

How to choose

Full Rankings (13 models)

Claude Mythos Preview
Anthropic·Proprietary·1M

99

prov. overall

Claude Opus 4.7
Anthropic·Proprietary·1M

97

prov. overall

Claude Opus 4.6
Anthropic·Proprietary·1M

91

prov. overall

4
Claude Sonnet 4.6
Anthropic·Proprietary·200K

85

prov. overall

5
Claude Opus 4.5
Anthropic·Proprietary·200K

80

prov. overall

6
Claude Sonnet 4.5
Anthropic·Proprietary·200K

68

prov. overall

7
Claude Haiku 4.5
Anthropic·Proprietary·200K

59

prov. overall

8
Claude 4.1 Opus
Anthropic·Proprietary·200K

53

prov. overall

9
Claude 4 Sonnet
Anthropic·Proprietary·200K

52

prov. overall

10
Claude 4.1 Opus Thinking
Anthropic·Proprietary·200K

45

prov. overall

11
Claude 3.5 Sonnet
Anthropic·Proprietary·200K

42

prov. overall

12
Claude 3 Opus
Anthropic·Proprietary·200K

36

prov. overall

13
Claude 3 Haiku
Anthropic·Proprietary·200K

24

prov. overall

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Key Takeaways

The top model is Claude Mythos Preview by Anthropic with a provisional score of 99.

13 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 Anthropic's lineup helps identify which model fits your use case and budget.

Known limitations

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

Last updated: April 20, 2026

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