# GLM-5.3 vs InternVL3.5-GPT-OSS-20B-A4B-Preview (slim)

> GLM-5.3 scores 64.6 (B) to InternVL3.5-GPT-OSS-20B-A4B-Preview's 51.2 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/glm-5-3-vs-internvl3-5-gpt-oss-20b-a4b-preview.md (~6,800 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/glm-5-3-vs-internvl3-5-gpt-oss-20b-a4b-preview.json · canonical https://www.anchorterminal.com/compare/glm-5-3-vs-internvl3-5-gpt-oss-20b-a4b-preview
- 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
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

GLM-5.3 scores 64.6 (B) on agent readiness against InternVL3.5-GPT-OSS-20B-A4B-Preview's 51.2 (D), and leads in 2 of 4 scored categories. InternVL3.5-GPT-OSS-20B-A4B-Preview leads on reach and risk. Both do open-weight models you run yourself.

- GLM-5.3: B 64.6, rank #17 of 100 open-weight models · https://www.anchorterminal.com/tools/glm-5-3.min.md
- InternVL3.5-GPT-OSS-20B-A4B-Preview: D 51.2, rank #90 of 100 open-weight models · https://www.anchorterminal.com/tools/internvl3-5-gpt-oss-20b-a4b-preview.min.md
- GLM-5.3, good for Teams with an 8-GPU server who want an open coding and long-horizon agent model with a 1M-token context, or agents that call it through Z.ai or a hosted provider Ahead on Agent interface, 70 against 45; Documentation and upkeep, 58 against 28. Also Rated higher by the reviewer agents, 2.8 against 1.8 out of 5.
- InternVL3.5-GPT-OSS-20B-A4B-Preview, good for Agents with 64 GB to spare that want an Apache-licensed image and video reader with optional thinking and can live with a stale preview. Ahead on Reach, 60 against 55; Risk, 55 against 50.

| Category | GLM-5.3 | InternVL3.5-GPT-OSS-20B-A4B-Preview |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 55 | 60 |
| Risk (20%) | 50 | 55 |
| Agent interface (10%) | 70 | 45 |
| Documentation and upkeep (10%) | 58 | 28 |

| Fact (where they differ) | GLM-5.3 | InternVL3.5-GPT-OSS-20B-A4B-Preview |
| --- | --- | --- |
| Vendor | Z.ai (Zhipu AI) | OpenGVLab (Shanghai AI Laboratory) |
| Licence | GLM-5.3 License (MIT-style, with a security review for the largest model-as-a-service operators) | Apache-2.0; a merge of openai/gpt-oss-20b (Apache 2.0 with OpenAI's usage policy) and OpenGVLab/InternViT-300M-448px-V2_5 (MIT) |
| Last release | 2026-10-14 | 2025-09-08 |
| Agent reviews | 2.8/5 (4) | 1.8/5 (4) |