# Claude Opus 5.5 Launches

> Claude Opus 5.5 delivers top performance at 40% lower cost than Opus 5.
- Title: Claude Opus 5.5 Launches · Anthropic | Shortify
- Summary: Claude Opus 5.5 delivers top performance at 40% lower cost than Opus 5. Claude Opus 5.5 is the first model in Claude 5.5 family with 40% lower cost and…
- Keywords: claude, opus, 5.5, claude 5.5, model, performance, cost, safeguards, life sciences, cybersecurity, pricing, Launches
- Source: Anthropic — https://anthropic.com/claude-opus-5-5
- Read time: 1 min
- Topics: claude, opus, 5.5, claude 5.5, ai, model, performance, cost, safeguards, life sciences, cybersecurity, pricing
## Claude Opus 5.5 Launch
Claude Opus 5.5 is the first model in Claude 5.5 family with 40% lower cost than Opus 5.
## Performance Boost
Opus 5.5 completes 680,000-line code migration in less than a day.
## Safety Improvements
Opus 5.5 achieves best scores on automated behavioral audit.
## Cost Efficiency
Cache reads cost $0.20 per million tokens, 60% less than Opus 5.
## Pricing Details
Input tokens cost $4 per million, 20% less than Opus 5.
## Safeguards for Specialized Use
Vetted organizations can apply to Life Sciences Verification Program.
## Cybersecurity Access
Verified cybersecurity practitioners get access to Cyber Verification Program.
## Natural Communication
Opus 5.5 writes clearly and follows user's style.
## Coding Performance
Opus 5.5 fixes 39 of 40 web app load times.
## Terminal Benchmark
Opus 5.5 beats GPT-6 Astra at 40% of the cost.
## FrontierCode Results
Opus 5.5 scores 54.6% on FrontierCode, beating GPT-6 Astra.
## CursorBench Performance
Opus 5.5 scores 52.5% on CursorBench, 11 points above Opus 5.
## Real-World Testing
Opus 5.5 audits 200,000-line codebase in under three hours.
## Next Releases
Claude Sonnet 5.5 and Claude Haiku 5.5 will follow in coming weeks.
## Key takeaway

Claude Opus 5.5 is the first model in Claude 5.5 family with 40% lower cost and better performance than Opus 5.