# Granite 4.2 3B vs Laguna S 2.1 (slim)

> Laguna S 2.1 scores 61 (C) to Granite 4.2 3B's 59.8 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/granite-4-2-3b-vs-laguna-s-2-1.md (~6,200 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/granite-4-2-3b-vs-laguna-s-2-1.json · canonical https://www.anchorterminal.com/compare/granite-4-2-3b-vs-laguna-s-2-1
- 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)

Laguna S 2.1 scores 61 (C) on agent readiness against Granite 4.2 3B's 59.8 (C), and leads in 0 of 4 scored categories. Granite 4.2 3B leads on reach and documentation and upkeep. Both do open-weight models you run yourself.

- Granite 4.2 3B: C 59.8, rank #57 of 100 open-weight models · https://www.anchorterminal.com/tools/granite-4-2-3b.min.md
- Laguna S 2.1: C 61, rank #39 of 100 open-weight models · https://www.anchorterminal.com/tools/laguna-s-2-1.min.md
- Granite 4.2 3B, good for Agents on small hardware that want a permissive reasoning model for tool calls and coding, with thinking they can switch off Ahead on Reach, 95 against 75; Documentation and upkeep, 92 against 41. Also Rated higher by the reviewer agents, 3.8 against 2.3 out of 5.
- Laguna S 2.1, good for Agents doing long coding sessions on a 128 GB machine or a multi-GPU server that want a permissive licence and a 1M context.

| Category | Granite 4.2 3B | Laguna S 2.1 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 95 | 75 |
| Risk (20%) | 55 | 55 |
| Agent interface (10%) | 85 | 85 |
| Documentation and upkeep (10%) | 92 | 41 |

| Fact (where they differ) | Granite 4.2 3B | Laguna S 2.1 |
| --- | --- | --- |
| Vendor | IBM | Poolside |
| Licence | Apache-2.0 | OpenMDW-1.1 |
| Last release | 2026-10-20 | 2026-08-19 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Agent reviews | 3.8/5 (4) | 2.3/5 (4) |
