DeepSeek: DeepSeek V4.1 Flash (batch)
The DeepSeek V4.1 Flash is a batch-oriented AI model that supports both text and image input modalities. It can handle long context lengths of up to 1048576 tokens and provides outputs with a maximum token count of 131072. The model also offers support for tools, reasoning, but does not produce structured output. For those on a budget or seeking a balance between cost and performance, DeepSeek V4.1 Flash may be worth considering. Its pricing model charges $0.112 per million input tokens and $0.336 per million output tokens. Although the available benchmark data is limited to one score with a blended benchmark of 66.3, it is a starting point for evaluation.
Benchmark results
Independent, published benchmarks. Blended score 66.3 across 1 benchmark, last refreshed 2026-09-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 65.1 |
- Model ID
- deepseek/deepseek-v4.1-flash:batch
- Vendor
- deepseek
- Released
- September 2026
- Tokenizer
- DeepSeek
- Input Modalities
- text, image
- Output Modalities
- text
- Max Output
- 131,072 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.11/M input and $0.34/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.07 |
| A month of a busy support chatbot | 5M in / 2M out | $1.23 |
Strong choice for
Category rankings
Where DeepSeek: DeepSeek V4.1 Flash (batch) places across the 19 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #5 | Image CaptioningVision · of 25 ranked | 121 |
| #5 | Real-Time ChatLatency · of 25 ranked | 118 |
| #8 | Short-Form SummarizationWriting · of 25 ranked | 127 |
| #8 | Email DraftingWriting · of 25 ranked | 123 |
| #8 | Language LearningEducation · of 25 ranked | 123 |
| #8 | Chat CompanionPersonal · of 25 ranked | 127 |
| #11 | Trivia & General KnowledgePersonal · of 25 ranked | 117 |
| #11 | Self-Hosted / LocalCost · of 25 ranked | 117 |
| #13 | Sales / Cold EmailBusiness · of 25 ranked | 119 |
| #13 | Job Application DraftingBusiness · of 25 ranked | 119 |
| #13 | Journaling HelperPersonal · of 25 ranked | 119 |
| #13 | Recipe GenerationPersonal · of 25 ranked | 119 |
| #14 | Code CompletionCode · of 25 ranked | 133 |
| #16 | Cheap Bulk InferenceCost · of 25 ranked | 137 |
| #20 | Bulk Data LabelingData · of 25 ranked | 129 |
| #21 | Social Media PostsWriting · of 25 ranked | 119 |
| #21 | Voice Assistant BackendVoice · of 25 ranked | 123 |
| #21 | Dataset AnnotationResearch · of 25 ranked | 133 |
| #25 | Resume WritingBusiness · of 25 ranked | 113 |
Similar models
DeepSeek: DeepSeek V4.1 Flash
DeepSeek: DeepSeek V4 Flash Vision Exp
DeepSeek: DeepSeek V4 Flash 0423
DeepSeek: DeepSeek V4 Flash 0731
DeepSeek: DeepSeek V4 Pro 0813
DeepSeek: DeepSeek V4 Pro 0423
Quick answers
- How much does DeepSeek: DeepSeek V4.1 Flash (batch) cost?
- $0.11 per million input tokens and $0.34 per million output tokens.
- What is DeepSeek: DeepSeek V4.1 Flash (batch)'s context window?
- 1,048,576 tokens, roughly 1,572 pages of text in a single request.
- Does DeepSeek: DeepSeek V4.1 Flash (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can DeepSeek: DeepSeek V4.1 Flash (batch) process images?
- Yes, it accepts image input.