Is DeepSeek DeepSeek Reasoner (legacy alias) deprecated?
Deprecated
Yes. DeepSeek Reasoner (legacy alias) is deprecated with a shutdown date of 2026-07-24, which has passed.
Lifecycle dates
- Status
- Deprecated
- Deprecation announced
- Shutdown date
Pricing & context
- Input
- — / M tokens
- Output
- — / M tokens
- Context window
- —
Sources
- api-docs.deepseek.com https://api-docs.deepseek.com/updates/
- api-docs.deepseek.com https://api-docs.deepseek.com/quick_start/pricing/
Verified against the source on . Dataset snapshot . Providers can change a date without notice — the link above is always the final word.
Common questions
- Is DeepSeek Reasoner (legacy alias) deprecated?
- Yes. DeepSeek Reasoner (legacy alias) is deprecated with a shutdown date of 2026-07-24, which has passed.
- When does DeepSeek Reasoner (legacy alias) shut down?
- DeepSeek has announced 2026-07-24 as the shutdown date for DeepSeek Reasoner (legacy alias).
- What does DeepSeek Reasoner (legacy alias) cost?
- No public price is listed for DeepSeek Reasoner (legacy alias) in our dataset.
- What can I use instead of DeepSeek Reasoner (legacy alias)?
- Active alternatives from DeepSeek include DeepSeek V4 Flash, DeepSeek V4 Pro.