Simulating realistic Document summarization parameters (25,000 in / 600 out with 10% cache reuse). DeepSeek V4 Pro delivers a 38% cost reduction over Claude Sonnet 5.
| Traffic Volume Tier | DeepSeek V4 Pro Monthly | Claude Sonnet 5 Monthly | Monthly Savings by picking DeepSeek V4 Pro |
|---|---|---|---|
| 1,000 reqs/mo (Dev/Testing) | $32.186 | $51.50 | Save $19.314 / mo |
| 10,000 reqs/mo (Small App) | $321.86 | $515.00 | Save $193.14 / mo |
| 100,000 reqs/mo (Growth Production) | $3,218.60 | $5,150.00 | Save $1,931.40 / mo |
| 1,000,000 reqs/mo (Scale SaaS) | $32,186.00 | $51,500.00 | Save $19,314.00 / mo |
DeepSeek V4 Pro is 38% cheaper for Document summarization workloads. At standard Document summarization parameter ratios (25,000 input tokens, 600 output tokens, 10% cache hit), DeepSeek V4 Pro costs $0.0322 per request compared to $0.0515 on Claude Sonnet 5.
DeepSeek V4 Pro offers a context window of 1,000,000 tokens (max output: 384,000), while Claude Sonnet 5 offers 1,000,000 tokens (max output: 128,000).
At 100,000 requests per month, using DeepSeek V4 Pro saves $1,931.40 every month (or $23,176.80 annually) compared to Claude Sonnet 5.
Long-context models pay off here — compare price per 1M tokens at your true document size. Summarize once, store the result; don't re-summarize unchanged documents. For batch backfills, nightly jobs can use cache-friendly request ordering.