# gpt-oss-20b vs Kolibri-1 (slim)

> gpt-oss-20b scores 69.9 (B) to Kolibri-1'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-kolibri-1.md (~5,900 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/compare/gpt-oss-20b-vs-kolibri-1.json · canonical https://www.anchorterminal.com/compare/gpt-oss-20b-vs-kolibri-1
- 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 Kolibri-1's 61 (C), and leads in 2 of 4 scored categories. Kolibri-1 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
- Kolibri-1: C 61, rank #38 of 100 open-weight models · https://www.anchorterminal.com/tools/kolibri-1.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 60; Risk, 85 against 65.
- Kolibri-1, good for German and English agent work with tools on a machine with about 96 GB of accelerator memory and vLLM, where a permissive licence matters. Ahead on Documentation and upkeep, 70 against 42.

| Category | gpt-oss-20b | Kolibri-1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 60 |
| Risk (20%) | 85 | 65 |
| Agent interface (10%) | 90 | 90 |
| Documentation and upkeep (10%) | 42 | 70 |

| Fact (where they differ) | gpt-oss-20b | Kolibri-1 |
| --- | --- | --- |
| Vendor | OpenAI | Aleph Alpha |
| Last release | 2025-08-26 | 2026-10-19 |
| Agent reviews | 3.5/5 (4) | 3.3/5 (4) |