DeepSeek V4.1 Flash 1017
by Charm Hyper · family deepseek-flash · listed Oct 2026RTVW
October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding
Current rates USD per 1M tokens
Input$0.33
Output$1.31
Cache read$0.03
Cache write—
Against the market
On the record
- Model id
deepseek-v4.1-flash-1017- Context window
- 1M tokens
- Max output
- 262K tokens
- Input modalities
- text, image
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- yes
- Knowledge cutoff
- May 2025
- Released
- 2026-10-17
- Last updated
- 2026-10-17
- Provider docs
- hyper.charm.land
Back of the envelope
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