DeepSeek upgrades V4.1 Flash to version 1017
DeepSeek upgraded DeepSeek V4.1 Flash to DeepSeek-V4.1-Flash-1017; developers can access it using deepseek-flash, with the API method and pricing unchanged.
- Context
- 1M
- Max output
- 384K
- Input price
- $0.30
- Knowledge cutoff
- May 2025
Source: DeepSeek API change log, checked Oct 17, 2026. Summarized from the provider’s announcement.