Directory · Model comparison
Claude Sonnet 5 vs DeepSeek-V4-Pro
Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.
Tale of the tape
Head-to-head specs pulled from each model profile.
| Metric | Claude Sonnet 5 | DeepSeek-V4-Pro |
|---|---|---|
| Input cost / 1M | $2.00 | $0.435 |
| Output cost / 1M | $10.00 | $0.87 |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| MMLU score | — | — |
Cost verdict
Enter monthly input and output volumes to see total cost savings.
Claude Sonnet 5
- Input: 1M × $2.00 = $2.00
- Output: 1M × $10.00 = $10.00
- Total
- $12.00
DeepSeek-V4-Pro
- Input: 1M × $0.435 = $0.435
- Output: 1M × $0.87 = $0.87
- Total
- $1.31
Total cost savings
$10.70
DeepSeek-V4-Pro saves $10.70 per month vs the other model at this volume.
Model routing savings
Uses this page's verified rates. Claude Sonnet 5 is the premium route (higher combined per-1M cost); DeepSeek-V4-Pro handles routine traffic.
All premium
Claude Sonnet 5
$600.00
100% of input and output on the premium route
Routed stack
80% → DeepSeek-V4-Pro
20% → Claude Sonnet 5
$172.20
- Routine slice
- $52.20
- Premium slice
- $120.00
Monthly savings
$427.80
71.3% lower
Rates pulled from this page's model database entries (claude-sonnet-5, deepseek-v4-pro) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.
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