# MiMo V2.5

MiMo V2.5 is a text generation model from Xiaomi, available through the Impossibl API. Its published context window is 1,024,000 tokens. The advertised input rate is $0.14 per million input tokens. The advertised output rate is $0.28 per million output tokens.

- Model identifier: ` xiaomi/mimo-v2.5 `
- Creator: Xiaomi
- Model type: Text generation
- Canonical model page: [MiMo V2.5](<https://impossibl.com/xiaomi/mimo-v2.5>)
- API availability: Listed as serving through Impossibl.
- Creator release date: 2026-04-23

## Capabilities and limits

- Context window: 1,024,000 tokens
- Maximum output tokens: Not published in the public catalog; this is separate from the context window.
- Inputs: text, image
- Outputs: text
- Tool calling: Not published

## API access

Use ` xiaomi/mimo-v2.5 ` as the model identifier through the Impossibl API.

Published API endpoints:

- ` /v1/chat/completions `

[API quickstart](<https://impossibl.com/docs/agent-quickstart>) · [Models and billing documentation](<https://impossibl.com/docs/models>)

## Published API prices

All rates are in USD. An unpublished rate is unknown, not zero. Workspace-specific pricing, taxes, balance-purchase fees, billing adjustments, and tool charges can affect the amount paid.

| Usage | Published base rate | Billing unit |
| --- | --- | --- |
| Input | $0.14 | per million input tokens |
| Output | $0.28 | per million output tokens |
| Cache read | $0.003 | per million cached input tokens |
| Cache write (default retention) | Not published | per million tokens |
| Cache write (one-hour retention) | Not published | per million tokens |
| Audio input | Not published | per million audio input tokens |

## Independent benchmarks

Source: [Artificial Analysis](<https://artificialanalysis.ai/>). Last checked: 2026-09-11T12:23:22.823Z.
Configurations are evaluated separately. API scores retain their original units. Unmeasured scores are omitted.

### MiMo-V2.5

Source: [Evaluation source](<https://artificialanalysis.ai/models/mimo-v2-5-0424>)

| Benchmark | Score |
| --- | --- |
| Intelligence Index | 22.30 |
| Omniscience Index | -9.83 |
| GPQA | 84.95% |
| Humanity’s Last Exam | 27.20% |
| SciCode | 43.87% |
| CritPt | 3.71% |
| Terminal-Bench v2.1 | 63.67% |
| Terminal-Bench v4.0 | 0.00% |
| Terminal-Bench Hard | 41.67% |
| AA-LCR | 73.00% |
| GDPval Elo | 1079.43 |
| GDP.pdf All-pass | 4.00% |
| AutomationBench Partial | 18.43% |
| MMMU-Pro | 75.43% |
| IFBench | 67.14% |
| Tau2 | 90.64% |
| Tau Banking | 8.66% |
| coding index (API) | 56.8 |
| agentic index (API) | 17.4 |
| intelligence index (API) | 22.3 |

Full benchmark data and breakdowns: [Complete benchmark snapshot](<https://api.impossibl.com/v1/models/xiaomi/mimo-v2.5/benchmarks>).


## Availability and retirement

The model is listed as serving. No retirement is announced in the current public catalog.

## Frequently asked questions

### What is MiMo V2.5?

MiMo V2.5 is a text-generation model from Xiaomi, available through the Impossibl API.

### How much does MiMo V2.5 cost?

MiMo V2.5 costs $0.14 per million input tokens and $0.28 per million output tokens through the Impossibl API. Cache reads cost $0.003 per million tokens. All rates are in USD.

### What is the context length of MiMo V2.5?

MiMo V2.5 has a 1,024,000-token context window through the Impossibl API.

### What inputs and outputs does MiMo V2.5 support?

MiMo V2.5 accepts text and image as input. MiMo V2.5 returns text.

### How do I use MiMo V2.5 through an API?

MiMo V2.5 is available through the Impossibl API. Use xiaomi/mimo-v2.5 as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

### When was MiMo V2.5 released?

Xiaomi released MiMo V2.5 on April 23, 2026.

Sources: [Creator release announcement](<https://mimo.mi.com/docs/en-US/updates/model>)

## Sources and related links

Prices, limits, capabilities, endpoints, and availability come from the public Impossibl catalog. Creator documentation supplies descriptions and release dates where available; it does not override the published API offering.

- [Public Impossibl model catalog](<https://api.impossibl.com/v1/models>)
- [Full model directory as JSON](<https://impossibl.com/models.json>)
- [MiMo V2.5: model details and pricing](<https://impossibl.com/xiaomi/mimo-v2.5>)
- [Model directory](<https://impossibl.com/models>)