Project AURIONAI Use-Cases Research & Innovation
Xiaomi
LLM

MiMo-V2-Flash

Xiaomi MoE language model built for fast reasoning, coding and agentic workflows, with a hybrid thinking mode and a 256K context window.

Benchmark bar charts for MiMo-V2-Flash against other models.
Levelmodel
ClassLLM
Parameters309B
Context256,000
Released16 Dec 2025
Opennessopen weights permissive
Runs onnot in the notes
Statusactive

Benchmark Results

vendor-reportedindependent
vendor-reported
94.1
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
Intelligence Index v4.3.2; marked estimated (asterisk) on page; AA entry MiMo-V2-Flash (Feb 2026)independent
22
03060

Score in index. Higher is better.

rank 40 of 117, AA model page, rank within model class11 Oct 2026 artificialanalysis.ai
BrowseCompagents and tool use
Without context managementvendor-reported
45.4
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
GPQA Diamondknowledge and reasoning
vendor-reported
83.7
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
Humanity's Last Exam (HLE)knowledge and reasoning
No toolsvendor-reported
22.1
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
vendor-reported
80.6
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
MMLU-Proknowledge and reasoning
vendor-reported
84.9
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
vendor-reported
71.7
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
vendor-reported
73.4
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
Terminal-Bench 2.0agents and tool use
vendor-reported
38.5
050100

Score in %. Higher is better.

MiMo-V2-Flash model card, post-trained model table16 Dec 2025 huggingface.co
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

continued pretrain
MiMo-V2-Flash to MiMo-V2.5: continued pretrain, high confidenceMiMo-V2-FlashMiMo-V2-FlashXiaomi, Dec 2025MiMo-V2.5MiMo-V2.5Xiaomi, Apr 2026
XiaomiMiMo-V2.5 is a child (continued pretrain)high confidencemodel card
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 2 models. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
Xiaomi
Family
MiMo
Released
16 Dec 2025 sourcesannouncement page
Weights published
16 Dec 2025
Record checked
11 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
MoE Hybrid attention interleaving sliding-window (128-token window) and global attention at 5:1, with multi-token prediction
Total parameters
309B sources
Active parameters
15B
Checkpoint parameters
–
Context length
256,000 tokens
Input
text
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights permissive
Licence
MIT License sources
Access routes
API, open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
Trained on 27T tokens with FP8 mixed precision. Artificial Analysis tracks a February 2026 version as MiMo-V2-Flash (Feb 2026)
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. mimo.xiaomi.com/mimo-v2-flash https://mimo.xiaomi.com/mimo-v2-flash
  2. huggingface.co/XiaomiMiMo/MiMo-V2-Flash https://huggingface.co/XiaomiMiMo/MiMo-V2-Flash
  3. artificialanalysis.ai/models/mimo-v2-0206 https://artificialanalysis.ai/models/mimo-v2-0206

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "MiMo-V2-Flash", https://aurion.semai.id/models/xiaomi-mimo-v2-flash/, records of October 2026.