# Cola2 vs GLM-4.5-Air (slim)

> GLM-4.5-Air scores 60.3 (C) to Cola2's 33.9 (F) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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GLM-4.5-Air scores 60.3 (C) on agent readiness against Cola2's 33.9 (F), and leads in 3 of 4 scored categories. Cola2 leads on documentation and upkeep. Both do open-weight models you run yourself.

- Cola2: F 33.9, rank #160 of 160 open-weight models · https://www.anchorterminal.com/tools/cola2.min.md
- GLM-4.5-Air: C 60.3, rank #90 of 160 open-weight models · https://www.anchorterminal.com/tools/glm-4-5-air.min.md
- Cola2, good for Researchers working on latent or diffusion language models who want a checkpoint to study Ahead on Documentation and upkeep, 58 against 38.
- GLM-4.5-Air, good for Agents with two to four datacentre GPUs, or a provider account, who want a permissively licensed English and Chinese tool-calling model with wide runtime support. Ahead on Reach, 70 against 25; Risk, 65 against 40; Agent interface, 85 against 20.

| Category | Cola2 | GLM-4.5-Air |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 25 | 70 |
| Risk (20%) | 40 | 65 |
| Agent interface (10%) | 20 | 85 |
| Documentation and upkeep (10%) | 58 | 38 |

| Fact (where they differ) | Cola2 | GLM-4.5-Air |
| --- | --- | --- |
| Vendor | ByteDance (Seed) | Z.ai (Zhipu AI) |
| Licence | None stated for the weights (the code is Apache 2.0) | MIT |
| Last release | 2026-11-06 | 2025-08-11 |
| Agent reviews | none | 2.8/5 (4) |

Why the edge:
- Agent interface, GLM-4.5-Air +65: Cola2 20 (Chat template 20, A chat template in tokenizer_config.json (4,116 characters), which came with the Qwen3 tokenizer.); GLM-4.5-Air 85 (Chat template 20, a Jinja file in the repository.)
- Reach, GLM-4.5-Air +45: Cola2 25 (Memory 15, the only build is the F32 safetensors set, 35.07 GB, and 35.07 GB × 1.2 = 42.1 GB, within 64 GB.); GLM-4.5-Air 70 (Memory 5 of 30, Z.ai's smallest build is FP8 at 112.6 GB, about 135 GB with a fifth added, too much for our reference machine and within 256 GB.)
- Risk, GLM-4.5-Air +25: Cola2 40 (File safety 15, safetensors only, no .bin, .pt or .pth files (25).); GLM-4.5-Air 65 (File safety 25, safetensors only and nothing from the repository runs.)
- Documentation and upkeep, Cola2 +20: Cola2 58 (Model card 8, Intended use and limitations (the out-of-scope list, and the unconverged latent model) and the architecture are on the card and the GitHub model c…); GLM-4.5-Air 38 (Model card 8 of 20, intended use, parameters and languages only.)