DeepSeek · DeepSeek Reasoner (legacy alias)
deepseek-reasoner- Releasedunknown
- Deprecated
- Retired
Tags
Editorial tags reflect our assessment; documented tags are backed by the sources below.
Specifications
- Input price
- unknown
- Output price
- unknown
- Price class
- unknown
- Context window
- unknown
- Max output
- unknown
- Released
- unknown
- Input modalities
- text
- Output modalities
- text
- Knowledge cutoff
- unknown
- Tool use
- unknown
- Structured output
- unknown
- License
- MIT License
- Maker
- DeepSeek
Use it for
No editorial profile yet — the specifications and derived alternatives below are generated from the data.
Alternatives
What to use instead. Curated suggestions are written by our editors for this model; derived ones are ranked automatically from tags, tier and price class.
- DeepSeek V4.1 Flashderived
DeepSeek
deepseek-flashSame provider, same tier (mid-tier), also open weights; shares chat, coding, reasoning and agents.
In $0.30 / M tokOut $1.20 / M tok
ActiveTextVisionChat+7 - Kimi K2 Thinkingderived
Amazon Bedrock
moonshot.kimi-k2-thinkingAlternative from Amazon Bedrock, same tier (mid-tier), also open weights; shares chat, coding, reasoning and agents.
In $0.60 / M tokOut $2.50 / M tok
ActiveTextChat
Change history
Status and price changes for this model, newest first. See all changes →
- Retired
Deprecated Retired · shut down on
Price history
No price changes recorded yet.
Sources & verification
Facts
Status, dates, pricing and specifications were verified against these pages.
Last verified: (2026-09-10 12:00) · ✓ verified