Claude Opus 5.5 excels in agent programming and knowledge work, operating at a cost 40% lower than Opus 5 under typical workloads.
“Claude Opus 5.5 leads in agent programming and knowledge work, with operating costs 40% lower than Opus 5.”
Anthropic
The launch of these new models demonstrates Anthropic's ongoing innovation in the field of artificial intelligence, particularly in enhancing operational efficiency and reducing costs, which will lead to greater productivity and a better user experience for both users and developers.
Source: Anthropic official announcement
Claude Sonnet 5.5 features significant upgrades over its predecessor, with a speed increase of over 30% and a 30% reduction in costs for most tasks.
“Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, with a speed increase of over 30%.”
Anthropic
Cost Efficiency of Claude Opus 5.5
Claude Opus 5.5 excels in agent programming and knowledge work, operating at a cost 40% lower than Opus 5 under typical workloads.
“Claude Opus 5.5 leads in agent programming and knowledge work, with operating costs 40% lower than Opus 5.”
Anthropic
The launch of these new models demonstrates Anthropic's ongoing innovation in the field of artificial intelligence, particularly in enhancing operational efficiency and reducing costs, which will lead to greater productivity and a better user experience for both users and developers.
Source: Anthropic official announcement
Claude Sonnet 5.5 features significant upgrades over its predecessor, with a speed increase of over 30% and a 30% reduction in costs for most tasks.
“Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, with a speed increase of over 30%.”
Anthropic
Cost Efficiency of Claude Opus 5.5
Claude Opus 5.5 excels in agent programming and knowledge work, operating at a cost 40% lower than Opus 5 under typical workloads.
“Claude Opus 5.5 leads in agent programming and knowledge work, with operating costs 40% lower than Opus 5.”
Anthropic
The launch of these new models demonstrates Anthropic's ongoing innovation in the field of artificial intelligence, particularly in enhancing operational efficiency and reducing costs, which will lead to greater productivity and a better user experience for both users and developers.
Source: Anthropic official announcement
Anthropic officially announced the launch of Claude Haiku 5.5, Claude Sonnet 5.5, and Claude Opus 5.5 models, which are designed to enhance high-performance work and programming capabilities.
Features of Claude Haiku 5.5
Claude Haiku 5.5 is described as “our fastest and most powerful small model,” designed for high-capacity tasks such as summarization, sub-agent use, and browser applications.
“Claude Haiku 5.5 is our fastest and most powerful small model.”
Anthropic
Performance Improvements of Claude Sonnet 5.5
Claude Sonnet 5.5 features significant upgrades over its predecessor, with a speed increase of over 30% and a 30% reduction in costs for most tasks.
“Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, with a speed increase of over 30%.”
Anthropic
Cost Efficiency of Claude Opus 5.5
Claude Opus 5.5 excels in agent programming and knowledge work, operating at a cost 40% lower than Opus 5 under typical workloads.
“Claude Opus 5.5 leads in agent programming and knowledge work, with operating costs 40% lower than Opus 5.”
Anthropic
The launch of these new models demonstrates Anthropic's ongoing innovation in the field of artificial intelligence, particularly in enhancing operational efficiency and reducing costs, which will lead to greater productivity and a better user experience for both users and developers.
Source: Anthropic official announcement

