Claude Sonnet 5.5
Third on WebDev at 1774. Tied with Opus 5.5 at 45% on sudo L7, listed after Opus. The blog puts a task at about $14, above Opus at about $10.
Anthropic · Proprietary · Context 1M · $2 / $10 per million tokens · Fetched 2026-10-10
Benchmark scores
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Use it or not
Why
- For frontend work, 39 fewer points for half the price.
When not
- A Terminal-Bench run costs $7.3k, more than the leader's $4.7k.