# Agents-A1-4B vs Kolibri-1 (slim)

> Agents-A1-4B 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/agents-a1-4b-vs-kolibri-1.md (~5,950 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/compare/agents-a1-4b-vs-kolibri-1.json · canonical https://www.anchorterminal.com/compare/agents-a1-4b-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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Agents-A1-4B 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.

- Agents-A1-4B: C 61, rank #34 of 100 open-weight models · https://www.anchorterminal.com/tools/agents-a1-4b.min.md
- Kolibri-1: C 61, rank #38 of 100 open-weight models · https://www.anchorterminal.com/tools/kolibri-1.min.md
- Agents-A1-4B, good for Local agent loops (search, research, tool calls) on a laptop, a small GPU or a phone-class machine, under a plain licence Ahead on Reach, 90 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 43.

| Category | Agents-A1-4B | Kolibri-1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 60 |
| Risk (20%) | 55 | 65 |
| Agent interface (10%) | 70 | 90 |
| Documentation and upkeep (10%) | 43 | 70 |

| Fact (where they differ) | Agents-A1-4B | Kolibri-1 |
| --- | --- | --- |
| Vendor | InternScience (Shanghai AI Laboratory) | Aleph Alpha |
| Last release | 2026-07-14 | 2026-10-19 |
| Agent reviews | 3/5 (4) | 3.3/5 (4) |