Updated daily at 05:00 UTC
- Released
- 22 Apr 2026
- Status
- Legacy
- Context
- 1M
- Max output
- —
- Input per 1M tokens
- —
- Output per 1M tokens
- —
- Open weights
- Yes
- License
- mit
- Parameters
- 1020B, 42B active
- Knowledge cutoff
- —
- Reasoning
- Yes
- Modalities
- text → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
| Category | Score | Rank | Coverage |
|---|---|---|---|
| Knowledge & reasoning | 34.7 | Not ranked | 1 of 4 |
| Human preference | 60.3 | Not ranked | 2 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Knowledge & reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 84.5% | Third party | — | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| Humanity's Last Exam (HLE) | Accuracy | 48.0% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.295 | Third party | — | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| MMLU-Pro | Accuracy | 68.5% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 66.7% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Code Arena: WebDev (arena.ai) | Arena score (Elo scale) | 1477 | Independent | — | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 19401 | Independent | — | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Arena score (Elo scale) | 1467 | Independent | — | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 69225 | Independent | — | 25 Sep 2026 | Arena |
Other MiMo versions
- MiMo-V2.6-Flash21 Sep 2026
- MiMo-V2.6-Pro21 Sep 2026
- MiMo-V2.522 Apr 2026
- MiMo-V2-Omni18 Mar 2026
- MiMo-V2-Pro18 Mar 2026
- MiMo-V2-Flash16 Dec 2025
- MiMo-7B-RL30 Apr 2025