MiMo-V2.5-Pro
XiaomiReleased Apr 22, 2026
MiMo-V2.5-Pro is Xiaomi’s flagship model, delivering strong performance in general agentic capabilities, complex software engineering, and long-horizon tasks, with top rankings on benchmarks such as ClawEval, GDPVal, and SWE-bench Pro....
- Context window
- 1.0M tokens
- Max output
- 131K tokens
- Input
- text
- 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 tokens | Provider | + 3% fee | You pay |
|---|---|---|---|
| Input | $0.435 | $0.013 | $0.448 |
| Output | $0.870 | $0.026 | $0.896 |
| Cache read | $0.0036 | $0.0001 | $0.0037 |
Benchmarks
Artificial Analysis
- Intelligence index
- 42.2
- Coding index
- 60.2
- Agentic index
- 29.1
Design Arena
| Category | Elo | Win rate | Rank |
|---|---|---|---|
| 3Dmodels | 1322 | 59.3% | #10 |
| ASCII artmodels | 1211 | 51.5% | #20 |
| Codemodels | 1318 | 58.1% | #9 |
| Data vizmodels | 1296 | 58.6% | #10 |
| Game devmodels | 1337 | 61% | #7 |
| SVGmodels | 1240 | 55.8% | #15 |
| UI componentsmodels | 1295 | 55.5% | #16 |
| Websitesmodels | 1308 | 56.4% | #10 |
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-pro.
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-pro",
"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-pro",
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-pro",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does MiMo-V2.5-Pro cost via API?
- Through OpenKey, MiMo-V2.5-Pro costs $0.448 per 1M input tokens and $0.896 per 1M output tokens. That is the provider price ($0.435 / $0.870) plus a flat 3% fee — nothing else.
- What is MiMo-V2.5-Pro's context window?
- MiMo-V2.5-Pro accepts up to 1.0M tokens of context and returns up to 131K tokens per request.
- Is MiMo-V2.5-Pro OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "xiaomi/mimo-v2.5-pro" using any OpenAI SDK — only the base URL and API key change.
- What inputs does MiMo-V2.5-Pro support?
- MiMo-V2.5-Pro accepts text input and produces text output.