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OpenKey

MiMo-V2.5

XiaomiReleased Apr 22, 2026

MiMo-V2.5 is a native omnimodal model by Xiaomi. It delivers Pro-level agentic performance at roughly half the inference cost, while surpassing MiMo-V2-Omni in multimodal perception across image and video understanding...

Try in playground
Context window
1.0M tokens
Input
text, audio, image, video
Output
text
Tokenizer
Other
Released
Apr 22, 2026
Reasoning
optional

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.105$0.0031$0.108
Output$0.280$0.0084$0.288

Benchmarks

Design Arena

CategoryEloWin rateRank
3Dmodels129954.3%#18
ASCII artmodels119548.3%#25
Codemodels130355%#14
Data vizmodels128053.8%#16
Game devmodels129955.8%#16
SVGmodels121952.3%#21
UI componentsmodels131256.1%#12
Websitesmodels130355.2%#12

Head-to-head preference voting. How we filter and rank

Supported parameters

  • frequency_penalty
  • include_reasoning
  • logit_bias
  • logprobs
  • max_tokens
  • min_p
  • presence_penalty
  • reasoning
  • repetition_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model xiaomi/mimo-v2.5.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "xiaomi/mimo-v2.5",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="xiaomi/mimo-v2.5",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "xiaomi/mimo-v2.5",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does MiMo-V2.5 cost via API?
Through OpenKey, MiMo-V2.5 costs $0.108 per 1M input tokens and $0.288 per 1M output tokens. That is the provider price ($0.105 / $0.280) plus a flat 3% fee — nothing else.
What is MiMo-V2.5's context window?
MiMo-V2.5 accepts up to 1.0M tokens of context.
Is MiMo-V2.5 OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "xiaomi/mimo-v2.5" using any OpenAI SDK — only the base URL and API key change.
What inputs does MiMo-V2.5 support?
MiMo-V2.5 accepts text, audio, image, video input and produces text output.

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