DeepSeek V4.1 Flash
by Alibaba Token Plan (China) · family deepseek-flash · listed Sep 2026RTVW
DeepSeek V4.1 Flash model for reasoning and agentic coding
Current rates USD per 1M tokens
Inputfree
Outputfree
Cache readfree
Cache writefree
Against the market
On the record
- Model id
deepseek-v4.1-flash- Context window
- 1M tokens
- Max output
- 384K tokens
- Input modalities
- text, image
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- yes
- Knowledge cutoff
- May 2025
- Released
- 2026-09-10
- Last updated
- 2026-09-10
Back of the envelope
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