DeepSeek V4 Pro vs Claude Sonnet 5.5 API pricing
Prices updated · Source: OpenRouter models API
DeepSeek V4 Pro costs $0.66 per 1M input tokens and $1.98 per 1M output tokens on DeepSeek. Claude Sonnet 5.5 costs $2.00 input and $10.00 output on Anthropic. On input, DeepSeek V4 Pro is 3.0× cheaper than Claude Sonnet 5.5; on output it is 5.1× cheaper than Claude Sonnet 5.5.
Cost at typical workloads
| Workload | DeepSeek V4 Pro | Claude Sonnet 5.5 |
|---|---|---|
| Chatbot5M in / 1M out per month | $5.28/mo | $20.00/mo |
| RAG over documents50M in / 2M out | $36.96/mo | $120.00/mo |
| Content generation2M in / 10M out | $21.12/mo | $104.00/mo |
Calculate your own volume
| Host | Context | ||||
|---|---|---|---|---|---|
| DeepSeek V4 ProDeepSeek | DeepSeek | $0.66 | $1.98 | 1.05M | $10.56 |
| Claude Sonnet 5.5Anthropic | Anthropic | $2.00 | $10.00 | 1M | $40.00 |
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Standard-tier prices only; batch, flex and priority tiers and prompt-cache discounts are excluded. Compare every model in the full LLM API pricing table.
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