Anthropic Unveils Claude Opus 5.5
Anthropic has launched its latest AI model, Claude Opus 5.5, which is now available at significantly reduced prices. The model is priced at $4 and $20 per million tokens, representing a 40% decrease compared to its predecessor, Opus 5, and a 60% reduction from the premium Fable 5.1 model.
Performance and Pricing Advantages
According to Anthropic, Claude Opus 5.5 performs comparably to Fable 5.1 across most tasks, particularly excelling in coding and knowledge tasks. Although GPT-6 Astra outperforms it in specific benchmarks like AutomationBench and Terminal-Bench-Science 0.1, Opus 5.5 has been recognized for its ability to complete complex professional tasks effectively.
The model achieves a score of 66.4% in the Terminal-Bench 4.0 evaluation, outperforming Fable 5.1 and GPT-6 Astra in that category. In the FrontierCode assessment, Opus 5.5 scored 54.4%, again surpassing Fable 5.1's 50.3%.




