Anthropic
Claude Opus 4.5 (Reasoning)
Claude Opus 4.5 is Anthropic’s latest model in the Opus series, meant for demanding reasoning tasks and complex problem solving. This model has improvements in general intelligence and vision compared to previous iterations. In addition, it is suited for difficult coding tasks and agentic workflows, especially those with computer use and tool use, and can effectively handle context usage and external memory files.
Introducing Claude OpusModel Snapshot
TypeLanguage
ReleaseNov 24, 2025
Context200,000
Tagsexplicit-caching, file-input, reasoning, tool-use
Overall
Rank #65 across 600
40.8
Coding
No rank
n/a
Blended Price
Rank #343 across 379
$10.00/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Max Output64,000
Streaming speed is not measured for this model yet.
Pricing
Blended$10.00/M
Input$5.00/M
Output$25.00/M
Catalog$5.00/M in / $25.00/M out
Metadata
Modalities
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 40.8 | #65 |
| Artificial Analysis Math Index | math | 91.3 | #20 |
| MMLU-Pro | reasoning | 89.5% | #3 |
| GPQA | reasoning | 86.6% | #80 |
| Humanity's Last Exam |