MiMo-V2.5

Training compute

4.3×10²⁴ FLOP

Parameters

310B

Published

Apr 23, 2026

MiMo-V2.5 is an AI model developed by Xiaomi Corp (China), first published in April 2026. It works in the language domain, on tasks such as language modeling/generation.

Training it took an estimated 4.3×10²⁴ FLOP of compute. The model has 310,000,000,000 parameters.

Access: Open weights (unrestricted). Epoch AI rates the confidence of this record as unverified.

Full record

Organization: Xiaomi Corp
Country of organization: China
Domain: Language
Task: Language modeling/generation
Training compute: 4.3×10²⁴ FLOP
Parameters: 310,000,000,000
Model accessibility: Open weights (unrestricted)
Epoch confidence: Unverified

Benchmark results

01	WebDev Arena	Arena Score	1432.1
02	ALE Bench	Performance	514
03	Proofbench	Accuracy	0.16