K

Mi:dm K 2.5 Pro Preview

Dec 2025
KMi:dm K 2.5 Pro Preview
Compare in
on
—per task?
API price not publicprice
—output speed?
128Kcontext

Ranking?

Strong at

B
Tool calling#109 of 242
C
Reasoning#202 of 334Science#174 of 312Long context#248 of 273Knowledge#273 of 318Instructions#128 of 245

Benchmarks

all categories
Chat & Knowledge
Humanity's Last Exam9.1#203
AA Omniscience Index-62.7#274
CritPt (physics)0#180
AA Omniscience · Accuracy16.4#210
AA Omniscience · Hallucination Rate94.7#301
AA-LCR (long context) 1.114.7#250
GPQA Diamond72.2#176
AIME 2025 · AA archived78.7#48
Coding
Terminal-Bench Hard (version unstated)3#179
LiveCodeBench · AA archived57.6#78
Agents & Tool Use
τ²-bench · AA49.4#111
Writing & Language
IFBench (instructions)45.6#129

FAQ

How much does Mi:dm K 2.5 Pro Preview cost?›

There is no per-unit API price: API price not public.

Is Mi:dm K 2.5 Pro Preview free to use?›

There is no free API.

How good is Mi:dm K 2.5 Pro Preview, and what is it best at?›

#202 of 334 in Chat & Knowledge, #177 of 239 in Coding, #109 of 242 in Agents & Tool Use, #128 of 245 in Writing & Language.

Is Mi:dm K 2.5 Pro Preview better than Ling 3.0 Tiny?›

On Humanity's Last Exam, Mi:dm K 2.5 Pro Preview scores 9.1 vs 9.3 — about the same.

What is the context window of Mi:dm K 2.5 Pro Preview?›

128K tokens.

When was Mi:dm K 2.5 Pro Preview released? Is there a newer version?›

Released 2025-12-11. It has been superseded by Mi:dm K 2.5 Pro.

Is Mi:dm K 2.5 Pro Preview open source?›

No, Mi:dm K 2.5 Pro Preview is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.

Can Mi:dm K 2.5 Pro Preview read images?›

No, it accepts text only.

What is Mi:dm K 2.5 Pro Preview?›

Mi:dm K 2.5 Pro Preview is a closed language model from Korea Telecom, released Dec 2025.

What are the best alternatives to Mi:dm K 2.5 Pro Preview?›

GPT-6 Luna (better), MiMo v2.6 Pro (open weights).