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K2-Think

K2-Think is a 32 billion parameter open-weights general reasoning model with strong performance in competitive mathematical problem solving.

text → text · made by Institute of Foundation Models

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About

K2-Think — a text model from Institute of Foundation Models.

It takes text and returns text, with a context window of 128,000 tokens. It was published in September 2025. The catalogue files it under chat. Its weights are published under APACHE-2.0, so you may run it on your own machine, or buy it from whoever serves it cheapest.

Every current figure

Maker
Institute of Foundation Models
Register
model
Takes
text
Returns
text
Context
128,000 tokens
Longest answer
32,768 tokens
Published
September 2025
Parameters
33 billion · read from its own weights
Licence
apache-2.0

Known as 1 name

IFM/K2-Think