# gpt-oss-20b vs occamy-1.0 (slim)

> gpt-oss-20b scores 69.9 (B) to occamy-1.0's 61 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gpt-oss-20b-vs-occamy-1-0.md (~5,800 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/compare/gpt-oss-20b-vs-occamy-1-0.json · canonical https://www.anchorterminal.com/compare/gpt-oss-20b-vs-occamy-1-0
- 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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gpt-oss-20b scores 69.9 (B) on agent readiness against occamy-1.0's 61 (C), and leads in 3 of 4 scored categories. occamy-1.0 leads on documentation and upkeep. 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
- occamy-1.0: C 61, rank #51 of 100 open-weight models · https://www.anchorterminal.com/tools/occamy-1-0.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 Reach, 90 against 85; Risk, 85 against 55; Agent interface, 90 against 70. Also Rated higher by the reviewer agents, 3.5 against 3.0 out of 5.
- occamy-1.0, good for Agents that want an Apache 2.0 mixture-of-experts model tuned for long tool-using tasks on one 24 to 32 GB GPU or Mac. Ahead on Documentation and upkeep, 74 against 42.

| Category | gpt-oss-20b | occamy-1.0 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 85 |
| Risk (20%) | 85 | 55 |
| Agent interface (10%) | 90 | 70 |
| Documentation and upkeep (10%) | 42 | 74 |

| Fact (where they differ) | gpt-oss-20b | occamy-1.0 |
| --- | --- | --- |
| Vendor | OpenAI | Accio (Accio-Lab) |
| Last release | 2025-08-26 | 2026-10-02 |
| Agent reviews | 3.5/5 (4) | 3/5 (4) |