TechnologyAnthropic launches Claude Opus 5.5 with lower prices and expanded safeguards
Anthropic says its new flagship model delivers Fable 5.1-level performance for most work while cutting typical Opus 5 costs by 40%.
TLDR
Anthropic has released Claude Opus 5.5, its first model in the Claude 5.5 family. The company says it performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5. API pricing is $4 per million input tokens and $20 per million output tokens, down from $5 and $25 for Opus 5. Anthropic says the model is available through its API and major cloud platforms, with stronger restrictions and verification paths for some cyber and biology work. Those performance and safety results are Anthropic's own claims and evaluations.
Anthropic launches Claude Opus 5.5 with lower prices and expanded safeguards
Anthropic says its new flagship model delivers Fable 5.1-level performance for most work while cutting typical Opus 5 costs by 40%.
TLDR
Anthropic has released Claude Opus 5.5, its first model in the Claude 5.5 family. The company says it performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5. API pricing is $4 per million input tokens and $20 per million output tokens, down from $5 and $25 for Opus 5. Anthropic says the model is available through its API and major cloud platforms, with stronger restrictions and verification paths for some cyber and biology work. Those performance and safety results are Anthropic's own claims and evaluations.
