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DeepSeek V4.1 Flash: price, performance and context
Open DeepSeek V4.1 Flash by DeepSeek costs $0.30 per 1M input and $1.20 per 1M output tokens, handles up to 1M tokens in one request (≈ 3,100 pages of text) and scores 39.5 points on the AgentKernel performance index, rank 27 of 212.
Privacy: zero data retention with 23 providers, not in the EU. Availability over the last 24 h: 100%.
Open in the interactive comparisonKey facts
- Licence
- Open weights: free to download and self-host
- Input / 1M tokens
- $0.30
- Output / 1M tokens
- $1.20
- Context window
- 1M tokens
- Max. output
- 943.7K tokens
- Performance index
- 39.5 points · rank 27 of 212
- Coding index
- n/a
- Agentic index
- n/a
- Cost at your usage
- $0.60 / month
- Knowledge cutoff
- n/a
- In the catalog since
- Sep 10, 2026
- Capabilities
- Reasoning, Vision, Tool Calling
What do you get for $10.00?
Rules of thumb from the cost calculator, base rates without caching or taxes.
| Task | Cost per task | For $10.00 |
|---|---|---|
| Chat repliesA question with a short history, a detailed answer | $0.001 | 14,000 |
| Email draftsBullet points in, a finished email out | $0.001 | 18,000 |
| Document summariesRead 10 pages, write a one-page summary | $0.002 | 6,300 |
| Code reviewsReview and comment on 500 lines of code | $0.003 | 3,500 |
| Book analysesAnalyse a 300-page book in one go | $0.032 | 310 |
Cheaper with similar performance
| Model | Licence | Performance | Your cost / month |
|---|---|---|---|
| Ling 3.1 FlashinclusionAI | Proprietary | 41.1 | $0.00 |
| MiMo-V2.6-FlashXiaomi | Open | 37.9 | $0.21 |
| Claude Haiku 5.5Anthropic | Proprietary | 43.4 | $0.225 |
Stronger models
| Model | Licence | Performance | Your cost / month |
|---|---|---|---|
| Gemini 3.7 FlashGoogle | Proprietary | 39.6 | $1.688 |
| Muse Spark 1.2Meta | Proprietary | 39.6 | $2.313 |
| Qwen3.8 2.4T A95BQwen | Open | 39.9 | $3.50 |