Language modelActive
Claude Sonnet 5
Anthropic
- Released
- June 30, 2026
- Data date
- September 2, 2026
Category view
Position within the category
This overview uses only published data from matching cohorts. Missing values never change a rank.
The index averages rank percentiles from 4 documented comparison cohorts. Only models with complete coverage receive a position.
- Position
- Rank 12 of 26
- Index score
- 57.7 / 100
- Coverage
- 4 / 4
Leaderboard
1Claude Opus 588.9 / 100
2Gemini 3.8 Flash88.5 / 100
3Claude Fable 583.2 / 100
11Gemini 3.5 Flash58.7 / 100
12Claude Sonnet 5, Current model57.7 / 100
13GPT-5.557.2 / 100
25MiMo-V2.5-Pro12.5 / 100
Profile
Specifications and access
Published information about this model. Unknown values are not estimated.
- Model type
- ProprietarySource
- Context window
- 1,000,000 tokensSource
- Knowledge cutoff
- January 2026Source
- Notes
- Released 2026-06-30, best speed/intelligence balance and the default model for Claude Free and Pro plans, rivals Opus 4.8 at lower cost. 1M context, 128K output, adaptive thinking (effort defaults to high on the API and Claude Code), uses the Opus 4.7 tokenizer (~30% more tokens per text). API pricing is $2/$10 per 1M tokens. Knowledge cutoff January 2026.Source
Pricing
Published prices
Prices remain tied to their documented unit and source.
Head-to-head comparisons
Compare this model
Each matchup compares this model with exactly one other model from the same category.
More models
Models from the same selection
All AI models
Evidence
Primary sources and data date
Every statement links to its underlying documentation or leaderboard.