DeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek V4.1 Flash (batch)
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-13.
| DeepSeek: DeepSeek V4.1 Flash | DeepSeek: DeepSeek V4.1 Flash (batch) | |
|---|---|---|
| Vendor | deepseek | deepseek |
| Quality Score | 100 | 100 |
| Benchmark Score | 66.3 | 66.3 |
| Input Price | $0.15/M | $0.11/M |
| Output Price | $0.60/M | $0.34/M |
| Context Window | 1,048,576 | 1,048,576 |
| Max Output | 393,216 | 131,072 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 65.1 | 65.1 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, DeepSeek V4.1 Flash (batch) costs $0.20 and DeepSeek V4.1 Flash costs $0.30, so DeepSeek V4.1 Flash (batch) is about 1.5 times cheaper for the same work.
Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.
Across the 8 tasks where they differ, DeepSeek V4.1 Flash (batch) on 8 (SQL Generation, Code Documentation, CSV / Spreadsheet Cleanup and others).
Pick DeepSeek V4.1 Flash (batch) if you need lower cost or the stronger all-round task scores.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | DeepSeek: DeepSeek V4.1 Flash | DeepSeek: DeepSeek V4.1 Flash (batch) |
|---|---|---|
| SQL Generation | 141 | 141 |
| Code Documentation | 137 | 137 |
| CSV / Spreadsheet Cleanup | 136 | 136 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| Long-Document Summarization | 148 | 148 |
| Short-Form Summarization | 127 | 127 |
| Blog Post Writing | 129 | 129 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →