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Anthropic's release of Claude Sonnet 5.5 represents a significant efficiency gain for developers, delivering output speeds 30% faster than its predecessor while maintaining identical pricing structures. The model achieves this by reducing token consumption and tool calls, lowering the cost per task without sacrificing performance on critical benchmarks like Terminal-Bench 4.0. This update solidifies Sonnet's role as a high-value option for routine coding tasks and document generation, though Opus 5.5 retains superiority for complex, open-ended reasoning.

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Anthropic Releases Claude Sonnet 5.5: 70.6% on Terminal-Bench 4.0 at the Same $2/$10 Price

MarkTechPostSeptember 29, 20264 min read

Anthropic has released Claude Sonnet 5.5, the second model in its Claude 5.5 family. It scores 70.6% on Terminal-Bench 4.0 and lands within 2 points of Opus 5.5 on GDPval-AA. It also generates output 30%+ faster than Sonnet 5 and keeps the same $2/$10 per million token price. Anthropic says cost per task falls by up to 30% because the model uses fewer tokens. You can deploy it today via the Claude API, AWS, Google Cloud and Azure. The post Anthropic Releases Claude Sonnet 5.5: 70.6% on Terminal-Bench 4.0 at the Same $2/$10 Price appeared first on MarkTechPost.

Anthropic just released Claude Sonnet 5.5. It is the second model in the Claude 5.5 family, following Claude Opus 5.5. Anthropic positions it as a faster, lower-cost complement to Opus 5.5. It targets well-scoped everyday tasks, bug fixing, and polished documents, slides, and spreadsheets. Is it deployable? Yes, It is live on the Claude Platform as claude-sonnet-5-5, plus AWS, Google Cloud, and Microsoft Azure. It…

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