Model specification · DeepSeek
DeepSeek V4.1 Flash 1017
deepseek/deepseek-v4.1-flash-1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
SpecificationsReported values
- Context window
- 1.0M
- Maximum output
- 944K
- Architecture
- text+image->text
- Tokenizer
- DeepSeek
- Knowledge cutoff
- —
- Moderated
- No
- Input modalities
- textimage
- Output modalities
- text
Full pricingUSD where reported
| Price | Standard |
|---|---|
| Input | $0.0060 / M |
| Output | $0.500 / M |
Benchmark indexesReported indexes
- Intelligence
- 28.6
- Coding
- —
- Agentic
- —
- Design Arena Elo
- 1281
Example workload costsStandard pricing only
| Workload | Input / output | Cache share | Estimated cost |
|---|---|---|---|
| Quick check | 10K / 1K × 1 | 0% | $0.00056 |
| Long analysis | 100K / 4K × 1 | 50% | $0.00255 |
| Workday | 20K / 2K × 1,000 | 30% | $1.11 |
More from DeepSeekAll DeepSeek models
| Model | Context | Input / M | Output / M | Intel. |
|---|---|---|---|---|
| DeepSeek V4 Pro 0813 | 1.0M | $0.111 | $4.44 | 23.1 |
| DeepSeek V4 Pro 0423 | 1.0M | $0.955 | $1.91 | 12.6 |