Modelpeers

deepseek-reasoner changelog

Every change to deepseek-reasoner that Modelpeers has recorded, newest first, each with the source it came from. The record starts Apr 24, 2026.

All (1)Retiring (1)

April 2026

deepseek-chat and deepseek-reasoner

2 models from DeepSeek

Retiring

deepseek-chat and deepseek-reasoner to be retired July 24

DeepSeek announced that the deepseek-chat and deepseek-reasoner model names would be fully retired after July 24, 2026, 15:59 UTC. Until then they route to deepseek-v4-flash.

Who is affected:
Apps calling the deepseek-chat or deepseek-reasoner model names.
Action needed:
Switch to deepseek-v4-flash or deepseek-v4-pro before July 24, 2026.

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