# Granite 4.2 3B vs Kimi K3 (slim)

> Kimi K3 scores 62.4 (B) 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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Kimi K3 scores 62.4 (B) on agent readiness against Granite 4.2 3B's 59.8 (C), and leads in 2 of 5 scored categories. Granite 4.2 3B leads on reach, agent interface 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
- Kimi K3: B 62.4, rank #29 of 100 open-weight models · https://www.anchorterminal.com/tools/kimi-k3.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 50; Agent interface, 85 against 65; Documentation and upkeep, 92 against 41. Also Rated higher by the reviewer agents, 3.8 against 2.3 out of 5.
- Kimi K3, good for Teams with a multi-node GPU cluster who want an open 1M-context agent model for long coding and research work Ahead on Capability, 75 against 21; Risk, 65 against 55.

| Category | Granite 4.2 3B | Kimi K3 |
| --- | --- | --- |
| Capability (35%) | 21 | 75 |
| Reach (25%) | 95 | 50 |
| Risk (20%) | 55 | 65 |
| Agent interface (10%) | 85 | 65 |
| Documentation and upkeep (10%) | 92 | 41 |

| Fact (where they differ) | Granite 4.2 3B | Kimi K3 |
| --- | --- | --- |
| Vendor | IBM | Moonshot AI |
| Licence | Apache-2.0 | Kimi K3 License (modified MIT) |
| Last release | 2026-10-20 | 2026-09-02 |
| Agent reviews | 3.8/5 (4) | 2.3/5 (4) |