MiMo-V2.5 (Reasoning)

by Xiaomi

MiMo-V2.5 (Reasoning) is a reasoning model from Xiaomi, released on April 22, 2026. It has a 1M-token context window and can generate up to 131K output tokens. API pricing is $0.17 per 1M input tokens and $0.34 per 1M output tokens. It ranks #61 of 220 models by Intelligence Score with a score of 35.9.

MiMo-V2.5 is Xiaomi's native omnimodal sparse Mixture-of-Experts model with 310B total parameters, 15B activated parameters, and a 1M-token context window. Built on the MiMo-V2-Flash backbone, it adds dedicated vision and audio encoders for text, image, video, and audio understanding, and is post-trained with SFT, agentic reinforcement learning, and Multi-Teacher On-Policy Distillation for multimodal perception, long-context reasoning, and agentic workflows.

Key specs

ProviderXiaomi
Release date2026-04-22
Licenseopen source
Context window1M tokens
Max output131K tokens
Input price$0.17 / 1M tokens
Output price$0.34 / 1M tokens
Intelligence Score35.9
Coding index28.7
Output speed79 tokens/s
Time to first token6.68 s

Quick answers

What is the context window of MiMo-V2.5 (Reasoning)?

MiMo-V2.5 (Reasoning) has a context window of 1M tokens, with a maximum output of 131K tokens per response.

How much does MiMo-V2.5 (Reasoning) cost?

MiMo-V2.5 (Reasoning) costs $0.17 per 1M input tokens and $0.34 per 1M output tokens through the API.

Is MiMo-V2.5 (Reasoning) open source?

Yes. MiMo-V2.5 (Reasoning) is an open model released under the open source license.

When was MiMo-V2.5 (Reasoning) released?

Xiaomi released MiMo-V2.5 (Reasoning) on April 22, 2026.

How does MiMo-V2.5 (Reasoning) compare to Claude Opus 5.5 (Reasoning)?

MiMo-V2.5 (Reasoning) scores 35.9 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $0.17 vs $4 per 1M tokens.

Compare on the AI leaderboard · All AI models

More models from Xiaomi