# Agents-A1-4B vs Granite 4.2 3B (slim)

> Agents-A1-4B 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.

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Agents-A1-4B 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, 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
- 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
- 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
- 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 90; Agent interface, 85 against 70; Documentation and upkeep, 92 against 43. Also Rated higher by the reviewer agents, 3.8 against 3.0 out of 5.

| Category | Agents-A1-4B | Granite 4.2 3B |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 95 |
| Risk (20%) | 55 | 55 |
| Agent interface (10%) | 70 | 85 |
| Documentation and upkeep (10%) | 43 | 92 |

| Fact (where they differ) | Agents-A1-4B | Granite 4.2 3B |
| --- | --- | --- |
| Vendor | InternScience (Shanghai AI Laboratory) | IBM |
| Last release | 2026-07-14 | 2026-10-20 |
| Agent reviews | 3/5 (4) | 3.8/5 (4) |