Model specification · DeepSeek
DeepSeek V4.1 Flash
deepseek/deepseek-v4.1-flash
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
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 | $0.0030 / M |
| Output | $2.40 / M |
Benchmark indexesReported indexes
- Intelligence
- 39.5
- Coding
- —
- Agentic
- —
- Design Arena Elo
- —
Example workload costsStandard pricing only
| Workload | Input / output | Cache share | Estimated cost |
|---|---|---|---|
| Quick check | 10K / 1K × 1 | 0% | $0.00243 |
| Long analysis | 100K / 4K × 1 | 50% | $0.00990 |
| Workday | 20K / 2K × 1,000 | 30% | $4.86 |
More from DeepSeekAll DeepSeek models
| Model | Context | Input / M | Output / M | Intel. |
|---|---|---|---|---|
| DeepSeek V4 Pro 0813 | 1.0M | $0.550 | $4.20 | 36 |
| DeepSeek V4 Flash 0731 | 1.0M | $0.015 | $1.28 | 34.3 |
| DeepSeek V4 Pro 0423 | 1.0M | $0.209 | $0.418 | 30.4 |
| DeepSeek V4 Flash 0423 | 1.0M | $0.022 | $1.28 | 24.4 |
| DeepSeek V3.1 Terminus | 164K | $0.270 | $1.00 | 14.8 |
| R1 | 64K | $0.700 | $2.50 | 11.4 |
| DeepSeek V3 0324 | 164K | $0.250 | $1.00 | 9.7 |