Artificial intelligence company Anthropic has introduced Claude Opus 5.5, describing it as a more intelligent, faster, and more cost-efficient AI model designed for complex and demanding workloads.
The company says the new model delivers significantly improved performance while reducing costs compared with its previous generation, making advanced AI capabilities more accessible for developers and businesses.
Claude Opus 5.5 Costs 40% Less
According to Anthropic, Claude Opus 5.5 is approximately 40% cheaper to operate than its predecessor, while its response speed has increased by more than 30%.
For users, the model is priced at:
- $4 per 1 million input tokens
- $20 per 1 million output tokens
- $0.20 per 1 million tokens for reading cached information
The cost of reading cached information has therefore been reduced by around 60%, further lowering expenses for applications that repeatedly work with stored context.
Built for Complex Programming and Research
Claude Opus 5.5 has been designed specifically for long-running, multi-step tasks that require advanced reasoning and sustained performance.
The model is targeted at areas such as:
- Complex programming
- Large-scale software projects
- Data analysis
- Scientific research
- Multi-file development workflows
According to business users of Claude Opus, the new model can handle complex data systems and programming projects involving multiple files more effectively.
Anthropic says Claude Opus 5.5 has also demonstrated strong performance against competing advanced AI models.
According to the company, the model outperformed OpenAI's GPT-5.6 Sol on one programming benchmark while costing approximately one-third as much to run.
This combination of performance and lower operating costs could be particularly important for developers and businesses running AI systems at large scale.
Stronger Focus on AI Safety
Anthropic has also highlighted improvements in the model's safety behavior.
According to the company's safety evaluations, Claude Opus 5.5 is approximately 85% less likely than Claude Opus 5 and Mythos 5.1 to attempt to bypass established safety boundaries.
The model's safety has also been evaluated by independent organizations, including Frontier Designer and METR, according to Anthropic.
These evaluations are intended to assess how the model behaves when faced with situations designed to test its safety boundaries.
Claude Opus 5.5 is available through major cloud platforms, including:
- Amazon Web Services (AWS)
- Google Cloud
- Microsoft Azure
Its availability across major cloud providers gives businesses and developers multiple options for integrating the model into existing infrastructure and AI workflows.
A Significant Move for Anthropic
The launch comes at an important time for Anthropic as the company continues to compete in the rapidly evolving frontier AI market.
The new model's combination of higher speed, lower costs, advanced programming capabilities, and stronger safety performance positions Claude Opus 5.5 as another major step in Anthropic's development of increasingly capable AI systems.
The launch also comes ahead of Anthropic's expected initial public offering (IPO) this autumn, an event that has attracted significant attention from investors.
The Bigger AI Competition
Claude Opus 5.5 reflects the broader competition among leading AI companies to build models that are not only more capable, but also faster, cheaper and safer.
As businesses increasingly use AI for software development, data analysis, research, and other complex workflows, the ability to deliver higher performance at lower operating costs is becoming an increasingly important factor in the AI market.
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