# DeepSeek V4.1 Flash vs GLM-4.5-Air (slim)

> GLM-4.5-Air and DeepSeek V4.1 Flash score within a point of each other for open-weight models you run yourself, 59.1 and 59 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

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- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21
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GLM-4.5-Air and DeepSeek V4.1 Flash score within a point of each other on agent readiness, 59.1 (C) and 59 (C). DeepSeek V4.1 Flash leads on capability and documentation and upkeep. Both do open-weight models you run yourself.

- DeepSeek V4.1 Flash: C 59, rank #63 of 100 open-weight models · https://www.anchorterminal.com/tools/deepseek-v4-1-flash.min.md
- GLM-4.5-Air: C 59.1, rank #62 of 100 open-weight models · https://www.anchorterminal.com/tools/glm-4-5-air.min.md
- DeepSeek V4.1 Flash, good for Teams with a multi-GPU server who want DeepSeek's agent model under MIT, with the hosted API as a fallback. Ahead on Capability, 69 against 50; Documentation and upkeep, 48 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, 65 against 50; Risk, 65 against 50; Agent interface, 85 against 75.

| Category | DeepSeek V4.1 Flash | GLM-4.5-Air |
| --- | --- | --- |
| Capability (35%) | 69 | 50 |
| Reach (25%) | 50 | 65 |
| Risk (20%) | 50 | 65 |
| Agent interface (10%) | 75 | 85 |
| Documentation and upkeep (10%) | 48 | 38 |

| Fact (where they differ) | DeepSeek V4.1 Flash | GLM-4.5-Air |
| --- | --- | --- |
| Vendor | DeepSeek | Z.ai (Zhipu AI) |
| Last release | 2026-10-17 | 2025-08-11 |
