Model Details
Where is Claude Opus 5.5 a perfect fit?
- Large-scale software engineering — migrations, refactoring, debugging, and repository-wide changes
- Long-running coding agents — autonomous development over extended sessions
- Computer-use agents — interacting with applications and graphical interfaces
- Research — deep research and source-based analysis
- Professional knowledge work — financial analysis, business workflows, and data collection
- Complex document creation — reports, spreadsheets, presentations, and other professional artifacts
- Large-context workloads — codebases and document collections approaching one million tokens
Anthropic positions it as comparable to Fable 5.1 on most work while costing 40% less than Opus 5 for typical token-billed workloads.
Quick Model Estimate
Your Claude Opus 5.5 Cost Estimate
💰 Total Cost
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for 1000 input + 1000 output tokens
Cost Breakdown
Prices are watched for changes and checked against the provider's own page.
Pricing
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 Anthropic | Text | Standard | $4.0000 | $20.0000 | $0.2000 | $5.0000 | 1,000,000 tokens | → |
| Anthropic | Text | Batch | $2.0000 | $10.0000 | $0.1000 | $2.5000 | 1,000,000 tokens | → |
 Perplexity | Text | Standard | $4.0000 | $20.0000 | $0.2000 | N/A | 1,000,000 tokens | → |
Benchmarks
Scores from standardized evaluations by Artificial Analysis and Design Arena. Higher is better — the indices summarize overall ability, while the detailed scores break down performance on individual benchmarks.
Artificial Analysis
Higher is better · benchmarked by Artificial AnalysisExpert-level questions across many academic domains
Unpublished physics research reasoning problems
Long-context reasoning across large inputs
Research-level scientific coding tasks
Economically valuable, real-world knowledge work
Breadth of factual knowledge across domains
How reliably the model avoids fabricated answers
Design Arena
Elo rating by arena & category| Variant | Arena | Category | Elo | Win % | Percentile | Avg time (ms) |
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| claude-opus-5-5 | agents | mobileapps | 1,340 | 66.8% | 96 | — |
| claude-opus-5-5 | models | 3d | 1,454 | 72.5% | 99 | 273,598 |
| claude-opus-5-5 | models | dataviz | 1,375 | 64.2% | 99 | 305,757 |
| claude-opus-5-5 | models | gamedev | 1,484 | 74.5% | 99 | 323,526 |
| claude-opus-5-5 | models | svg | 1,333 | 47.4% | 99 | 42,965 |
| claude-opus-5-5 | models | website | 1,360 | 60.9% | 99 | 267,445 |
Other Models in the Claude 5.5 Family
FAQs about Claude Opus 5.5
How much does Claude Opus 5.5 cost per 1M tokens?
Claude Opus 5.5 costs between $2.00 and $4.00 per million input tokens, and between $10.00 and $20.00 per million output tokens. The range covers Standard and Batch pricing.
What does a typical workload cost with Claude Opus 5.5?
1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $9.00 with Claude Opus 5.5 at its lowest rates. Use the calculator on this page for your own volumes.
Which provider is cheapest for Claude Opus 5.5?
Anthropic has the lowest input rate for Claude Opus 5.5, at $2.00 per million tokens. Across all providers: Anthropic from $2.00 and Perplexity from $4.00 per million input tokens.
Is there cheaper Claude Opus 5.5 pricing than the standard rate?
Yes. Batch pricing for Claude Opus 5.5 starts at $2.00 per million input tokens against $4.00 on the standard tier, about 50% lower.
What is Claude Opus 5.5's context window?
Claude Opus 5.5 has a context window of 1,000,000 tokens, and returns up to 128,000 tokens in a single response.
What input types does Claude Opus 5.5 support?
Claude Opus 5.5 accepts text, image and file input, and returns text.
What is Claude Opus 5.5's knowledge cutoff?
Claude Opus 5.5's training data runs to 30 June 2026. It has no built-in knowledge of events after that date.