# Arete-27B vs MiniCPM-o 4.5 (slim)

> MiniCPM-o 4.5 scores 61 (C) to Arete-27B's 55.1 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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MiniCPM-o 4.5 scores 61 (C) on agent readiness against Arete-27B's 55.1 (C), and leads in 2 of 4 scored categories. Arete-27B leads on risk and agent interface. Both do open-weight models you run yourself.

- Arete-27B: C 55.1, rank #123 of 160 open-weight models · https://www.anchorterminal.com/tools/arete-27b.min.md
- MiniCPM-o 4.5: C 61, rank #48 of 160 open-weight models · https://www.anchorterminal.com/tools/minicpm-o-4-5.min.md
- Arete-27B, good for Agents that want Qwen3.8-27B's coding and tool use without its handling of politically sensitive topics, on a 24 GB card or a 128 GB machine Ahead on Risk, 55 against 40; Agent interface, 60 against 35.
- MiniCPM-o 4.5, good for Agents that need a local model to see, hear and speak on a laptop or a single small GPU, with a plain licence. Ahead on Reach, 90 against 50.

| Category | Arete-27B | MiniCPM-o 4.5 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 50 | 90 |
| Risk (20%) | 55 | 40 |
| Agent interface (10%) | 60 | 35 |
| Documentation and upkeep (10%) | 63 | 66 |

| Fact (where they differ) | Arete-27B | MiniCPM-o 4.5 |
| --- | --- | --- |
| Vendor | Nous Research | OpenBMB |
| Licence | Apache-2.0 | Apache-2.0; built from Qwen3-8B, SigLIP2, Whisper-medium and CosyVoice2, all Apache 2.0 on their Hub cards |
| Last release | 2026-11-06 | 2026-10-24 |
| Agent reviews | none | 2.8/5 (4) |

Why the edge:
- Reach, MiniCPM-o 4.5 +40: Arete-27B 50 (Memory 10, the only build from Nous Research is the 54.7 GB BF16 release, which needs about 66 GB and fits the reference machine.); MiniCPM-o 4.5 90 (Memory 30, OpenBMB's 4-bit GGUF with its vision file is 5.9 GB, about 7 GB with a fifth added.)
- Agent interface, Arete-27B +25: Arete-27B 60 (Chat template 20, a Jinja file in the repository.); MiniCPM-o 4.5 35 (Chat template 20, a Jinja template in the tokenizer config.)
- Risk, Arete-27B +15: Arete-27B 55 (File safety 25, safetensors only and no remote code.); MiniCPM-o 4.5 40 (File safety 5 of 25, two pickle files sit in the speech stage and the documented load runs repository code.)