SI Model · DeepSeek
DeepSeek V4 Pro
On this page
| Developer | DeepSeek |
|---|---|
| Released | August 12, 2026 |
| Status | Current |
| Inputs | Text |
| Context window | 1M tokens |
| API price (input) | $1.32 / 1M tokens |
| API price (output) | $3.96 / 1M tokens |
| Open weights | Yes |
| Access | DeepSeek app, DeepSeek API, Hugging Face (MIT licence) |
Specs and list prices last verified October 8, 2026. Prices change often; check the provider before you buy.
Strengths
- Open weights under the permissive MIT licence
- Very low API prices with 50% off-peak discounts
- 1M-token context
Best for
- Teams that need to self-host or fine-tune a frontier-class model
- Cost-sensitive API use
- Research on open models
DeepSeek V4 Pro is the flagship of DeepSeek’s V4 generation, and one of the most capable open-weights models available.
Timeline
- April 24, 2026: DeepSeek publishes preview weights for V4-Pro and V4-Flash on Hugging Face under the MIT licence.
- August 12, 2026: V4 Pro leaves preview with full weights and a production API.
Key specs
- Architecture: mixture of experts, reported at roughly 1.6–1.7 trillion total parameters
- Context window: 1 million tokens (DeepSeek documents a 384K output limit for V4 Flash; it does not state one for V4 Pro)
- Licence: MIT, which allows commercial use, modification and redistribution
Pricing (per 1M tokens)
| Off-peak | Peak | |
|---|---|---|
| Input (cache hit) | $0.022 | $0.044 |
| Input (cache miss) | $0.66 | $1.32 |
| Output | $1.98 | $3.96 |
Our tables show the peak (standard) price. A cheaper sibling, DeepSeek V4 Flash, costs $0.15–0.30 input and $0.60–1.20 output.
Compare
DeepSeek V4 Pro vs Qwen3.8-Max, the two largest Chinese open-weights flagships.
Frequently asked questions
How much does the DeepSeek V4 Pro API cost?
At peak times $1.32 per million input tokens (cache miss) and $3.96 per million output tokens; off-peak prices are half that ($0.66 and $1.98). Cached input is far cheaper. Peak hours are 01:00–04:00 and 06:00–10:00 UTC on weekdays.
Sources
- DeepSeek API pricing — DeepSeek
- DeepSeek V4 Pro exits preview with MIT-licensed 1.7T weights — AI Weekly
Written by
Luka Kušec · Editor
Editor of SI.info. Writes about Super Intelligence, technology policy and the people building frontier models.