deepseek
DeepSeek: DeepSeek V3.1 API Pricing
DeepSeek: DeepSeek V3.1 costs $0.550 per 1M input tokens and $1.65 per 1M output tokens (cache reads: $0.550). Context window: 164K. Prices verified 2026-08-23 · source
Input / 1M tokens
$0.550
Output / 1M tokens
$1.65
Context window
164K
Max output
161K
What would DeepSeek: DeepSeek V3.1 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $11.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $38.50 |
| RAG pipeline | 30,000 | 4,000 / 500 | $90.75 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $25.30 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About DeepSeek: DeepSeek V3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...