Compare models
Pick up to 4 models for a side-by-side spec sheet. Hover any dotted metric name for what the test measures. Best value in each row is highlighted.
Claude Opus LatestClaude Sonnet 5
| Claude Opus Latest ~anthropic | Claude Sonnet 5 Anthropic | |
|---|---|---|
| Pricing | ||
| Input $/1M | $5.00 | $2.00 |
| Output $/1M | $25.00 | $10.00 |
| Blended $/1M (3:1) | $10.00 | $4.00 |
| Cache read $/1M | $0.50 | $0.20 |
| Cache write $/1M | $6.25 | $2.50 |
| Quality indices | ||
| Intelligence Index | — | 53.4 |
| Coding Index | — | 71.5 |
| Math Index | — | — |
| Agentic Index | — | 46.7 |
| Speed & latency | ||
| Output speed (tok/s) | — | 86 |
| Time to first token | — | 93.73s |
| Time to first answer token | — | 93.73s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | — | 91.1% |
| Humanity's Last Exam | — | 39.6% |
| SciCode | — | 53.6% |
| AA-LCR (Long Context Reasoning) | — | 70.7% |
| Terminal-Bench 2.1 | — | 80.5% |
| τ³-Bench Banking | — | 28.2% |
| Design Arena (Elo) | ||
| Website | — | 1,314 |
| Web apps | — | 1,305 |
| Full-stack | — | 1,292 |
| Android native | — | 1,255 |
| UI components | — | 1,317 |
| Data viz | — | 1,281 |
| SVG | — | 1,239 |
| 3D | — | 1,321 |
| Game dev | — | 1,345 |
| Agentic game dev | — | 1,241 |
| Godot game dev | — | 1,257 |
| HTML slides | — | 1,233 |
| Python→PPTX slides | — | 1,252 |
| Code categories | — | 1,312 |
| ASCII art | — | 1,230 |
| Specs | ||
| Context window | 1M | 1M |
| Max output tokens | 128K | 128K |
| Input modalities | text, image, file | text, image, file |
| Tokenizer | Router | Claude |