AI Rankings

Anthropic

Claude Sonnet 5.5

Anthropic's faster, lower-cost Claude 5.5 model for coding, agents, and everyday knowledge work.

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Our editorial assessment, based on the public sources listed below. Last reviewed .

Overall rank
#3
Tier
S
Score
92.9
Main category
Coding

Strengths

  • Ranks close behind Claude Opus 5.5 on the Artificial Analysis Intelligence Index
  • Large Terminal-Bench 4.0 gain over Sonnet 5, per Anthropic
  • Over 30% faster output than Sonnet 5 at unchanged $2/$10 per 1M token pricing

Considerations

  • Anthropic positions it for well-scoped everyday tasks; Opus 5.5 remains ahead on the hardest work
  • Released September 28, 2026; long-run independent benchmarks are still maturing

Price

$2 input / $10 output per 1M tokens (API); cache reads $0.20 per 1M

Shown for reference — price is not part of the score.

Score breakdown

Performance
95.0
55% of score
Reputation
88.0
35% of score
Recency
98.0
10% of score

The overall score combines these sub-scores using the weights shown. How we score →

Verification status

Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.

Pricing
Benchmark
Reputation
Feature list

Checked against the sources listed below.

Sources

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