# Apertus v1.5 8B vs Kolibri-1 (slim)

> Apertus v1.5 8B 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/apertus-v1-5-8b-vs-kolibri-1.md (~6,050 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/apertus-v1-5-8b-vs-kolibri-1.json · canonical https://www.anchorterminal.com/compare/apertus-v1-5-8b-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)

Apertus v1.5 8B and Kolibri-1 score within a point of each other on agent readiness, 61 (C) and 61 (C). Kolibri-1 leads on reach and agent interface. Both do open-weight models you run yourself.

- Apertus v1.5 8B: C 61, rank #35 of 100 open-weight models · https://www.anchorterminal.com/tools/apertus-v1-5-8b.min.md
- Kolibri-1: C 61, rank #38 of 100 open-weight models · https://www.anchorterminal.com/tools/kolibri-1.min.md
- Apertus v1.5 8B, good for Agents that want a fully open, multilingual 8B with image and audio input on one 24 GB GPU, and can run a publisher fork of vLLM. Ahead on Risk, 75 against 65; Documentation and upkeep, 84 against 70.
- 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 Reach, 60 against 40; Agent interface, 90 against 85. Also Rated higher by the reviewer agents, 3.3 against 2.8 out of 5.

| Category | Apertus v1.5 8B | Kolibri-1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 40 | 60 |
| Risk (20%) | 75 | 65 |
| Agent interface (10%) | 85 | 90 |
| Documentation and upkeep (10%) | 84 | 70 |

| Fact (where they differ) | Apertus v1.5 8B | Kolibri-1 |
| --- | --- | --- |
| Vendor | Swiss AI Initiative (EPFL and ETH Zurich) | Aleph Alpha |
| Licence | Apache-2.0, with the Apertus Acceptable Use Policy (v1.5, 14 July 2026) accepted at the download gate | Apache-2.0 |
| Last release | 2026-10-14 | 2026-10-19 |
| Terms last updated |  | no document linked |
| Agent reviews | 2.8/5 (4) | 3.3/5 (4) |