MiMo-V2.5-Pro
Key facts · verified Oct 30, 2026
MiMo-V2.5-Pro is a Xiaomi model released on 22 Apr 2026. Status: Deprecated - shutting down 21 October 2026; replacement: mimo-v2.6-pro. Its API price is $0.435 per million input tokens and $0.87 per million output tokens. Its context window is 1M tokens. It ranks #52 on LMArena's text leaderboard (Elo 1467, read 1 Nov 2026). Source: mimo.xiaomi.com.
MiMo-V2.5-Pro is Xiaomi's open-weight mixture-of-experts model with 1.02 trillion total and 42 billion active parameters, using a hybrid sliding-window/global attention design for a 1M-token context window, released under the MIT licence. Xiaomi positions it for complex software engineering and long-horizon agentic tasks. Xiaomi lists API pricing of $0.435 per million input tokens and $0.87 per million output tokens, and is retiring it from its API: requests are routed to mimo-v2.6-pro from 14 October 2026 and the model ID stops working on 21 October 2026.
Key Features
Full Specifications
$0.435 / $0.87 per million tokens | |
|---|---|
| Identity | |
| Developer | Xiaomi |
| Released | Apr 2026 |
| Status | Deprecated - shutting down 21 October 2026; replacement: mimo-v2.6-pro |
| Licence | MIT |
| Self-hostable | Yes |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $0.544 / 1M tokens |
| Input price | $0.435 / 1M tokens |
| Output price | $0.870 / 1M tokens |
| Cached input | $0.0036 per 1M tokens |
| Batch discount | Varies by host |
| Free tier | Free tiers vary by third-party host |
| Capacity | |
| Context window | 1M tokens |
| Max output | Not published |
| Long-context surcharge | Not applicable |
| Capability | |
| Vision in | No |
| Audio in | No |
| Function calling | Yes |
| Structured output | Not published |
| Extended reasoning | Not published |
| Web search | No |
| Code execution | No |
| Access | |
| API | Yes (Xiaomi API until 21 October 2026; also third-party hosts) |
| Chat app | No (open weights) |
| Cloud marketplaces | Not applicable (open weights) |
| Fine-tuning | Yes (open weights) |
| Measured quality | |
| LMArena Elo | 1467 (checked Nov 2026) |
| LMArena rank | Rank 52 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 2698 |