88Z AI, 29 September — Anthropic has officially released Claude Sonnet 5.5, the second model in the Claude 5.5 series, positioned to complement Opus 5.5. The new model offers over 30% faster speed, significantly enhanced coding capabilities, and a Terminal-Bench 4.0 score jump from 10.3% to 70.6%. Its performance nears that of Opus 5.5 at half the price.
At a glance
- Claude Sonnet 5.5 sees major coding improvements, with Terminal-Bench 4.0 score rising to 70.6%
- Performance nears Opus 5.5 at half the price, with over 30% faster speed
The update
Anthropic has officially launched Claude Sonnet 5.5, the second model in the Claude 5.5 family. This model is designed to complement Opus 5.5, offering users more diverse options. In terms of performance, the new version achieves significant breakthroughs, with running speed increased by over 30% and coding capabilities substantially improved. Benchmark data shows its score on Terminal-Bench 4.0 surged from 10.3% to 70.6%, with overall performance nearing that of the high-end Opus 5.5. More attractively, Claude Sonnet 5.5 features a highly competitive pricing strategy, costing only half as much as Opus 5.5, providing developers and enterprises with a cost-effective, high-performance AI solution.
Sources & editorial note
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- 机器之心Source published
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