deepseek
DeepSeek: DeepSeek V3.1 Terminus API Pricing
DeepSeek: DeepSeek V3.1 Terminus costs $0.270 per 1M input tokens and $1.00 per 1M output tokens (cache reads: $0.135). Context window: 164K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$0.270
Output / 1M tokens
$1.00
Context window
164K
Max output
33K
What would DeepSeek: DeepSeek V3.1 Terminus cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $6.16 |
| Coding agent | 5,000 | 8,000 / 2,000 | $20.80 |
| RAG pipeline | 30,000 | 4,000 / 500 | $47.40 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $12.80 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About DeepSeek: DeepSeek V3.1 Terminus
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...
Compare DeepSeek: DeepSeek V3.1 Terminus with
Official resources
- DeepSeek: DeepSeek V3.1 Terminus on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including Terminus. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.