# MiniCPM-o 4.5 vs ZAYA1-8B (slim)

> MiniCPM-o 4.5 and ZAYA1-8B score within a point of each other for open-weight models you run yourself, 61 and 61 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

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MiniCPM-o 4.5 and ZAYA1-8B score within a point of each other on agent readiness, 61 (C) and 61 (C). ZAYA1-8B leads on risk and agent interface. Both do open-weight models you run yourself.

- MiniCPM-o 4.5: C 61, rank #48 of 160 open-weight models · https://www.anchorterminal.com/tools/minicpm-o-4-5.min.md
- ZAYA1-8B: C 61, rank #85 of 160 open-weight models · https://www.anchorterminal.com/tools/zaya1-8b.min.md
- 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 80; Documentation and upkeep, 66 against 50.
- ZAYA1-8B, good for People who want a small, fast reasoning model for maths and code and can live without tool calling Ahead on Risk, 55 against 40; Agent interface, 60 against 35.

| Category | MiniCPM-o 4.5 | ZAYA1-8B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 80 |
| Risk (20%) | 40 | 55 |
| Agent interface (10%) | 35 | 60 |
| Documentation and upkeep (10%) | 66 | 50 |

| Fact (where they differ) | MiniCPM-o 4.5 | ZAYA1-8B |
| --- | --- | --- |
| Vendor | OpenBMB | Zyphra |
| Licence | Apache-2.0; built from Qwen3-8B, SigLIP2, Whisper-medium and CosyVoice2, all Apache 2.0 on their Hub cards | Apache-2.0 |
| Last release | 2026-10-24 | 2026-07-02 |
| Agent reviews | 2.8/5 (4) | none |

Why the edge:
- Agent interface, ZAYA1-8B +25: MiniCPM-o 4.5 35 (Chat template 20, a Jinja template in the tokenizer config.); ZAYA1-8B 60 (Chat template 20, chat_template.jinja in the repository (10,700 characters).)
- Documentation and upkeep, MiniCPM-o 4.5 +16: MiniCPM-o 4.5 66 (Model card 11 of 20, limitations, context length and a knowledge cut-off are missing.); ZAYA1-8B 50 (Model card 5, Intended use and the parameter counts are on the card.)
- Risk, ZAYA1-8B +15: 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.); ZAYA1-8B 55 (File safety 25, safetensors only, no .bin, .pt or .pth files and no Python in the repository.)
- Reach, MiniCPM-o 4.5 +10: 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.); ZAYA1-8B 80 (Memory 30, the smallest build from Zyphra is the MXFP4-Experts repository, 5.85 GB, and 5.85 GB × 1.2 = 7.0 GB, within 16 GB.)