DeepSeek AI API · verified September 25, 2026
DeepSeek V4.1-Flash API pricing: $0.15 in / $0.60 out
Off-peak price. Peak hours (weekdays 01–04 & 06–10 UTC): $0.30 / $1.20. Replaced V4-Flash.
Input /1M$0.15
Output /1M$0.60
Context1M
ReleasedSep 10, 2026
What real jobs cost
| 1,000 short chats | $0.36 |
| Summarise 100 long reports (20k tokens each) | $0.36 |
| Write a 90,000-word book | $0.07 |
| 10M input + 2M output tokens | $2.70 |
Estimates at the listed price. Use the calculator for your own numbers.
Similar-priced models
| Model | In | Out |
|---|---|---|
| GPT-6 Luna OpenAI | $0.10 | $0.50 |
| Mistral Small 4 Mistral AI | $0.15 | $0.60 |
| GPT-5.6 Luna OpenAI | $0.20 | $1.20 |
| GPT-5.4 nano OpenAI | $0.20 | $1.25 |
| Gemini 3.1 Flash-Lite Google | $0.25 | $1.50 |
| Mistral Large 3 Mistral AI | $0.50 | $1.50 |
Price history
| Date | Price | What changed |
|---|---|---|
| Sep 10, 2026 | V4.1-Flash replaced V4-Flash; peak pricing introduced |
Other DeepSeek AI models
- DeepSeek V4-Pro $0.66 / $1.98
DeepSeek V4.1-Flash pricing questions
How much does DeepSeek V4.1-Flash cost?
$0.15 per million input tokens and $0.60 per million output tokens, with a 1M context window. Off-peak price. Peak hours (weekdays 01–04 & 06–10 UTC): $0.30 / $1.20. Replaced V4-Flash.
How much does 1,000 chats cost on DeepSeek V4.1-Flash?
About $0.36, assuming 800 input and 400 output tokens per chat.
Sources
Checked against the official pages below on September 25, 2026. Prices are USD before local tax. See how we verify prices and the change log.