All modelsCalculate what your real prompts cost on DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
open sourceDeepSeek model, released 10 Sept 2026.
$0.02
per 1M input tokens
$1.00
per 1M output tokens
$0.015
per 1M cached-read tokens
Price history
input $/1M output $/1M10 Sept 2026 → 24 Oct 2026
Specifications
- Lab
- DeepSeek
- Released
- 10 Sept 2026
- Context window
- 1.0M tokens
- Max output
- 944k tokens
- Input modalities
- text, image
- Output modalities
- text
- Knowledge cutoff
- —
- Open source
- Yes
Benchmarks
| Benchmark | Category | Score | As of |
|---|---|---|---|
| LMArena (Chatbot Arena) | coding | 1501.3 (1491.4–1511.2) | 22 Oct 2026 |
| LMArena (Chatbot Arena) | overall | 1464.3 (1458.2–1470.3) | 22 Oct 2026 |
LMArena (Chatbot Arena) data © their authors, CC-BY-4.0
Frequently asked questions
How much does DeepSeek V4.1 Flash cost?
DeepSeek V4.1 Flash costs $0.02 per 1M input tokens and $1.00 per 1M output tokens (list price, updated every 6 hours).
What is DeepSeek V4.1 Flash's context window?
DeepSeek V4.1 Flash supports a 1.0M-token context window with up to 944k output tokens.
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