Nebius
deepseek-ai/deepseek-v4.1-flash model retirement
Stops workingSubscribe to NebiusShare
On November 9, 2026, the model deepseek-ai/deepseek-v4.1-flash will be retired. Calls targeting this model after this date will fail. Ensure your applications switch before the cutoff date to avoid service disruption.
What to use instead of deepseek-ai/deepseek-v4.1-flash
Move to deepseek-ai/DeepSeek-V4.1-Flash-1017, recommended by Nebius.
In Nebius's words
Deprecating Model: deepseek-ai/DeepSeek-V4.1-Flash; Recommended Replacement: deepseek-ai/DeepSeek-V4.1-Flash-1017
Facts
- API
- Nebius
api.studio.nebius.ai - Model
deepseek-ai/deepseek-v4.1-flash- Released
- September 10, 2026 (models.dev)
- 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.
When was deepseek-ai/deepseek-v4.1-flash released?
deepseek-ai/deepseek-v4.1-flash was released on September 10, 2026, according to models.dev.
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.