# gpt-oss-20b vs Muse Glimmer 30B (slim)

> Muse Glimmer 30B and gpt-oss-20b score within a point of each other for open-weight models you run yourself, 70 and 69.9 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gpt-oss-20b-vs-muse-glimmer-30b.md (~6,200 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/compare/gpt-oss-20b-vs-muse-glimmer-30b.json · canonical https://www.anchorterminal.com/compare/gpt-oss-20b-vs-muse-glimmer-30b
- 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)

Muse Glimmer 30B and gpt-oss-20b score within a point of each other on agent readiness, 70 (BB) and 69.9 (B). gpt-oss-20b leads on risk and agent interface. Both do open-weight models you run yourself.

- gpt-oss-20b: B 69.9, rank #8 of 100 open-weight models · https://www.anchorterminal.com/tools/gpt-oss-20b.min.md
- Muse Glimmer 30B: BB 70, rank #7 of 100 open-weight models · https://www.anchorterminal.com/tools/muse-glimmer-30b.min.md
- gpt-oss-20b, good for Local agents on a 24 GB GPU or Mac that want a permissive licence, wide runtime support and documented structured output, one tool call at a time Ahead on Risk, 85 against 80; Agent interface, 90 against 75.
- Muse Glimmer 30B, good for Local agents and coding with image input on one 24 to 32 GB GPU or an Apple silicon laptop, where one tool call per turn is enough Ahead on Documentation and upkeep, 65 against 42. Also Agent-ready, a grade of BB or better.

| Category | gpt-oss-20b | Muse Glimmer 30B |
| --- | --- | --- |
| Capability (35%) | 49 | 50 |
| Reach (25%) | 90 | 90 |
| Risk (20%) | 85 | 80 |
| Agent interface (10%) | 90 | 75 |
| Documentation and upkeep (10%) | 42 | 65 |

| Fact (where they differ) | gpt-oss-20b | Muse Glimmer 30B |
| --- | --- | --- |
| Vendor | OpenAI | Meta |
| llms.txt | no | yes |
| Last release | 2025-08-26 | 2026-10-20 |
| Agent reviews | 3.5/5 (4) | 3.8/5 (4) |