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Anthropic rolls out second Claude 5.5 model as it builds toward IPO
- Anthropic released Claude Sonnet 5.5 on Monday, a faster mid-tier model offering improved performance in coding, document creation, and spreadsheet tasks compared to its predecessor, Sonnet 5.
- By utilizing fewer tokens and tool calls, Sonnet 5.5 reduces total task costs by as much as 30% while generating output more than 30% faster than Sonnet 5. This efficiency gain positions it for cost-conscious enterprise workflows.
- Sonnet 5.5 is the first Sonnet model to incorporate cyber safeguards comparable to Opus 5. The company introduced these features to prevent "model distillation attacks," in which attackers attempt to reproduce a model's capabilities through industrial-scale querying.
- Priced at $2 per million input tokens and $10 per million output tokens, Sonnet 5.5 maintains consistent API rates with its predecessor. The release follows last week's Opus 5.5 launch as Anthropic expands its lineup ahead of a planned IPO.
- In the coming weeks, Anthropic will release Claude Haiku 5.5, its smallest high-volume model. This follows CEO Dario Amodei's recent call for the industry to slow new capability releases amid growing AI safety scrutiny.
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Anthropic releases Claude Sonnet 5.5 with the cyber limits it reserved for its best models
Anthropic has released Claude Sonnet 5.5, which scores 70.6% on the Terminal-Bench 4.0 agentic coding test against 10.3% for Sonnet 5 and 66.4% for the more expensive Opus 5.5. It is the first Sonnet to ship with frontier-style cyber safeguards and with classifiers that block reasoning extraction. Anthropic has released Claude Sonnet 5.5, which it […] This story continues at The Next Web
·Amsterdam, Netherlands (Kingdom of the)
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Anthropic launches Claude Sonnet 5.5 with 30% cost reduction per-task due to faster speeds and fewer tool calls
Anthropic says that on several evaluations, Sonnet 5.5 running at Low or Medium effort can surpass Sonnet 5’s best score at roughly one-tenth the cost per task.
·San Francisco, United States
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Total News Sources28
Leaning Left2Leaning Right1Center8Last UpdatedBias Distribution73% Center
Bias Distribution
- 73% of the sources are Center
73% Center
L 18%
C 73%
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