Nebius
deepseek-ai/deepseek-v4.1-flash model retirement
Stops working
On November 9, 2026, the model deepseek-ai/deepseek-v4.1-flash will stop working on Nebius. Requests targeting model deepseek-ai/deepseek-v4.1-flash will fail after that date.
What to use instead of deepseek-ai/deepseek-v4.1-flash
Nebius recommends moving to deepseek-ai/DeepSeek-V4.1-Flash-1017 as the replacement.
Facts
- API
- Nebius
api.studio.nebius.ai - Model
deepseek-ai/deepseek-v4.1-flash- Kind
- Model retirement
- Takes effect
- November 9, 2026
- Calls after that day
- Fail
- Source
- Model notices
- Last updated
- Verified
- , against Nebius's own pages
Questions
When does deepseek-ai/deepseek-v4.1-flash shut down?
Calls to the model deepseek-ai/deepseek-v4.1-flash on Nebius stop working on November 9, 2026.
What happens to calls after November 9, 2026?
They fail from that day.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix before November 9, 2026.