# Apertus v1.5 8B vs Cosmos-Reason2-2B (slim)

> Apertus v1.5 8B scores 61 (C) to Cosmos-Reason2-2B's 59.5 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/apertus-v1-5-8b-vs-cosmos-reason2-2b.md (~6,350 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/apertus-v1-5-8b-vs-cosmos-reason2-2b.json · canonical https://www.anchorterminal.com/compare/apertus-v1-5-8b-vs-cosmos-reason2-2b
- 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 scores 61 (C) on agent readiness against Cosmos-Reason2-2B's 59.5 (C), and leads in 3 of 4 scored categories. Cosmos-Reason2-2B leads on reach. 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
- Cosmos-Reason2-2B: C 59.5, rank #59 of 100 open-weight models · https://www.anchorterminal.com/tools/cosmos-reason2-2b.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 60; Agent interface, 85 against 65; Documentation and upkeep, 84 against 39.
- Cosmos-Reason2-2B, good for Agents that need a small local model to reason over camera footage and images for robotics, driving or smart spaces Ahead on Reach, 65 against 40.

| Category | Apertus v1.5 8B | Cosmos-Reason2-2B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 40 | 65 |
| Risk (20%) | 75 | 60 |
| Agent interface (10%) | 85 | 65 |
| Documentation and upkeep (10%) | 84 | 39 |

| Fact (where they differ) | Apertus v1.5 8B | Cosmos-Reason2-2B |
| --- | --- | --- |
| Vendor | Swiss AI Initiative (EPFL and ETH Zurich) | NVIDIA |
| Licence | Apache-2.0, with the Apertus Acceptable Use Policy (v1.5, 14 July 2026) accepted at the download gate | NVIDIA Open Model License (custom, commercial use allowed, not an OSI licence); built on Qwen3-VL-2B-Instruct under Apache 2.0 |
| Last release | 2026-10-14 | 2026-03-10 |
| Agent reviews | 2.8/5 (4) | 2.5/5 (4) |