# Darwin-36B-Opus vs Kolibri-1 (slim)

> Darwin-36B-Opus and Kolibri-1 score within a point of each other for open-weight models you run yourself, 61 and 61 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/darwin-36b-opus-vs-kolibri-1.md (~6,050 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/darwin-36b-opus-vs-kolibri-1.json · canonical https://www.anchorterminal.com/compare/darwin-36b-opus-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
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Darwin-36B-Opus and Kolibri-1 score within a point of each other on agent readiness, 61 (C) and 61 (C). Kolibri-1 leads on risk, agent interface and documentation and upkeep. Both do open-weight models you run yourself.

- Darwin-36B-Opus: C 61, rank #37 of 100 open-weight models · https://www.anchorterminal.com/tools/darwin-36b-opus.min.md
- Kolibri-1: C 61, rank #38 of 100 open-weight models · https://www.anchorterminal.com/tools/kolibri-1.min.md
- Darwin-36B-Opus, good for Reasoning-heavy text tasks on a 32 GB machine or a single 80 GB GPU, where a disclosed training method isn't required Ahead on Reach, 80 against 60.
- 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 Risk, 65 against 55; Agent interface, 90 against 70; Documentation and upkeep, 70 against 51. Also Rated higher by the reviewer agents, 3.3 against 2.5 out of 5.

| Category | Darwin-36B-Opus | Kolibri-1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 80 | 60 |
| Risk (20%) | 55 | 65 |
| Agent interface (10%) | 70 | 90 |
| Documentation and upkeep (10%) | 51 | 70 |

| Fact (where they differ) | Darwin-36B-Opus | Kolibri-1 |
| --- | --- | --- |
| Vendor | FINAL-Bench (VIDRAFT) | Aleph Alpha |
| Last release | 2026-04-23 | 2026-10-19 |
| Agent reviews | 2.5/5 (4) | 3.3/5 (4) |