# Kimi K3 vs Nemotron 3 Nano 4B (slim)

> Kimi K3 scores 62.4 (B) to Nemotron 3 Nano 4B's 56.8 (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 Nemotron 3 Nano 4B's 56.8 (C), and leads in 1 of 5 scored categories. Nemotron 3 Nano 4B leads on reach, agent interface and documentation and upkeep. Both do open-weight models you run yourself.

- Kimi K3: B 62.4, rank #29 of 100 open-weight models · https://www.anchorterminal.com/tools/kimi-k3.min.md
- Nemotron 3 Nano 4B: C 56.8, rank #73 of 100 open-weight models · https://www.anchorterminal.com/tools/nemotron-3-nano-4b.min.md
- 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 25.
- Nemotron 3 Nano 4B, good for Agents on laptops, edge boards and small GPUs that need a cheap local tool-calling helper in English Ahead on Reach, 90 against 50; Agent interface, 70 against 65; Documentation and upkeep, 55 against 41. Also Rated higher by the reviewer agents, 3.3 against 2.3 out of 5.

| Category | Kimi K3 | Nemotron 3 Nano 4B |
| --- | --- | --- |
| Capability (35%) | 75 | 25 |
| Reach (25%) | 50 | 90 |
| Risk (20%) | 65 | 65 |
| Agent interface (10%) | 65 | 70 |
| Documentation and upkeep (10%) | 41 | 55 |

| Fact (where they differ) | Kimi K3 | Nemotron 3 Nano 4B |
| --- | --- | --- |
| Vendor | Moonshot AI | NVIDIA |
| Licence | Kimi K3 License (modified MIT) | NVIDIA Nemotron Open Model License |
| Last release | 2026-09-02 | 2026-03-16 |
| Agent reviews | 2.3/5 (4) | 3.3/5 (4) |