Claude 4 Opus
Anthropic · Active · Updated May 15, 2026
Anthropic's most intelligent model with breakthrough reasoning and coding capabilities. The gold standard for complex tasks.
Input Price
$5.00/M
per million tokens
Output Price
$25.00/M
per million tokens
Context Window
200,000
tokens
Max Output
8,192
tokens
Technical Specifications
| Provider | Anthropic |
| Release Date | May 1, 2025 |
| Pricing Type | per token |
| Input Price | $5.00 / 1M tokens |
| Output Price | $25.00 / 1M tokens |
| Cached Input | $0.50 / 1M tokens |
| Context Window | 200,000 tokens |
| Max Output | 8,192 tokens |
| Input Modalities | text, image |
| Output Modalities | text |
| Status | active |
| Availability | api, web_app |
| Latency | medium |
| Rate Limit | 2,000 RPM |
| Pricing URL | View official pricing → |
| Docs URL | View documentation → |
Capability Scores
Coding96
Reasoning95
Math93
Image75
Speed65
Overview
Claude 4 Opus is Anthropic's flagship model, designed for the most demanding AI workloads. It achieves state-of-the-art results on complex reasoning benchmarks, advanced mathematics, and challenging coding problems that require deep understanding. While more expensive than the Sonnet variant, Opus delivers measurable improvements on tasks that require the highest level of cognitive capability.
Pros
- +Highest reasoning score (95/100) among all models
- +Superior performance on complex mathematical proofs and scientific analysis
- +Deep understanding of nuanced context and edge cases
Cons
- −Premium pricing at $30/$150 per million tokens
- −Slower inference speed compared to mid-range models
- −Overkill for simple tasks where smaller models suffice
Compare with Alternatives
Use Cases
Cutting-edge research analysis and scientific discovery
Complex mathematical modeling and verification
High-stakes code review and security analysis