Claude Sonnet 5.5
Claude Sonnet 5.5 scores 71.0 out of 100 overall, which puts it in a tie for rank 6–9 of 36 models on the AI Vision Index. It is strongest at Diagrams (84) and weakest at Counting (53). It beats the average of all 36 models in all six categories.
Overall score71.095% interval 68.8–73.1
Rank6–9of 36 models (tied)
Cost per 1,000 answers$11.60
Seconds per answer3.7 s
Thinking effortdefault
Maker Anthropic
WeightsClosed weights
AccessAPI
Tested
Reading69
Counting53
Space, 3D and motion68
Spotting changes and errors74
Diagrams84
Not being fooled78
The bar is the score; the light band is the 95% interval. The overall score is the average of the six.
Reading
Reading a clock87
Reading a meter90
Eye chart32
Reading a label85
Reading a chart63
Test strips72
Adding up coins61
Traffic light from a car64
Counting
Counting objects46
Counting stacked goods60
Counting on a conveyor53
Space, 3D and motion
Which is nearer65
Which way it faces74
Same or mirror image55
Will it topple40
Match the render74
Which bay can I park in?97
Follow the hidden object70
Spotting changes and errors
Spot the change90
Shelf against plan72
Rendering glitch52
Check the invoice81
Diagrams
Follow the cable78
Follow the pipe85
Missing dimension90
Not being fooled
Absent objects95
Saying "I can't tell"94
Optical illusions78
Real or AI-made44
Scores are corrected for guessing: 0 is no better than a guess, 100 is always right. All models on every test
Neighbours on the leaderboard
- Claude Opus 5.5 76.5 Compare
- Kimi K3.1 Pro 70.6 Compare
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