# DeepSeek upgrades V4.1-Flash to its 1017 snapshot and opens its in-house search API

Canonical page: https://technooptimist.io/stories/deepseek-upgrades-v4-1-flash-to-its-1017-snapshot-and-opens-its-in-d0720c88
Date: 17 Oct 2026
About: [DeepSeek](https://technooptimist.io/companies/deepseek.md) · [DeepSeek-V series](https://technooptimist.io/ai/deepseek-v.md)
Original source: https://api-docs.deepseek.com/updates/

DeepSeek has upgraded its V4.1-Flash model to a new snapshot, DeepSeek-V4.1-Flash-1017, on the same API address and price. The company says the update brings benchmark gains and shorter task runtimes and outputs. The same day it opened its in-house search API.

## Key facts

- The upgraded model is reached through the existing deepseek-flash identifier; the calling method and pricing are unchanged.
- DeepSeek reports benchmark gains and shorter task runtimes and outputs, as stated in its changelog; no independent figures are given.
- The search API is now open, powered by DeepSeek's in-house search engine.

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