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 4.6DeepSeek V4 Flash
| Claude Opus 4.6 Anthropic | DeepSeek V4 Flash DeepSeek | |
|---|---|---|
| Pricing | ||
| Input $/1M | $5.00 | $0.094 |
| Output $/1M | $25.00 | $0.188 |
| Blended $/1M (3:1) | $10.00 | $0.117 |
| Cache read $/1M | $0.50 | $0.019 |
| Cache write $/1M | $6.25 | — |
| Quality indices | ||
| Intelligence Index | 37.8 | 40.3 |
| Coding Index | — | 56.2 |
| Math Index | — | — |
| Agentic Index | — | 31.1 |
| Speed & latency | ||
| Output speed (tok/s) | 54 | 113 |
| Time to first token | 1.89s | 0.85s |
| Time to first answer token | 1.89s | 50.40s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 84.0% | 89.4% |
| Humanity's Last Exam | 18.6% | 32.1% |
| SciCode | 45.7% | 44.9% |
| IFBench | 44.6% | 79.2% |
| AA-LCR (Long Context Reasoning) | 58.3% | 63.0% |
| Terminal-Bench Hard | 48.5% | 35.6% |
| Terminal-Bench 2.1 | — | 61.8% |
| τ²-Bench (Telecom) | 84.8% | 95.0% |
| τ³-Bench Banking | — | 22.9% |
| Design Arena (Elo) | ||
| Website | 1,323 | 1,235 |
| Web apps | 1,261 | — |
| Full-stack | 1,279 | — |
| Mobile apps | 1,280 | — |
| Android native | 1,195 | — |
| UI components | 1,336 | 1,205 |
| Data viz | 1,322 | 1,159 |
| SVG | 1,274 | 1,202 |
| 3D | 1,335 | 1,248 |
| Game dev | 1,337 | 1,254 |
| Code categories | 1,327 | 1,239 |
| ASCII art | 1,298 | 1,157 |
| Specs | ||
| Context window | 1M | 1.05M |
| Max output tokens | 128K | — |
| Input modalities | text, image, file | text |
| Tokenizer | Claude | DeepSeek |