DeepSeek: DeepSeek V4.1 Flash (batch)
The DeepSeek V4.1 Flash is an AI model that can handle multiple input modalities, including text and image inputs, with a context length of up to 1048576 tokens. It supports tools and reasoning capabilities, but does not provide structured output. When considering this model for your needs, take note of its pricing: $0.112 per million input tokens and $0.336 per million output tokens. The blended benchmark score is 66.3 across one available independent benchmark, which may influence your decision if you require high-performing models with specific capabilities. If budget is a concern, and you need an AI model that supports text and image inputs, this might be worth shortlisting due to its competitive price point despite moderate performance.
Benchmark results
Independent, published benchmarks. Blended score 66.3 across 1 benchmark, last refreshed 2026-09-27. 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 18 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #5 | Image CaptioningVision · of 25 ranked | 121 |
| #8 | Real-Time ChatLatency · of 25 ranked | 118 |
| #10 | Short-Form SummarizationWriting · of 25 ranked | 127 |
| #10 | Email DraftingWriting · of 25 ranked | 123 |
| #10 | Language LearningEducation · of 25 ranked | 123 |
| #10 | Chat CompanionPersonal · of 25 ranked | 127 |
| #12 | Trivia & General KnowledgePersonal · of 25 ranked | 117 |
| #14 | Self-Hosted / LocalCost · of 25 ranked | 117 |
| #15 | Code CompletionCode · of 25 ranked | 133 |
| #15 | Sales / Cold EmailBusiness · of 25 ranked | 119 |
| #15 | Job Application DraftingBusiness · of 25 ranked | 119 |
| #15 | Journaling HelperPersonal · of 25 ranked | 119 |
| #15 | Recipe GenerationPersonal · of 25 ranked | 119 |
| #22 | Cheap Bulk InferenceCost · of 25 ranked | 137 |
| #23 | Bulk Data LabelingData · of 25 ranked | 129 |
| #24 | Dataset AnnotationResearch · of 25 ranked | 133 |
| #25 | Social Media PostsWriting · of 25 ranked | 119 |
| #25 | Voice Assistant BackendVoice · of 25 ranked | 123 |
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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.