# gpt-oss-20b vs NVIDIA Nemotron 3.5 Bolt E4B 4GB (slim)

> gpt-oss-20b scores 69.9 (B) to NVIDIA Nemotron 3.5 Bolt E4B 4GB's 61 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gpt-oss-20b-vs-nemotron-3-5-bolt-e4b-4gb.md (~7,050 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/gpt-oss-20b-vs-nemotron-3-5-bolt-e4b-4gb.json · canonical https://www.anchorterminal.com/compare/gpt-oss-20b-vs-nemotron-3-5-bolt-e4b-4gb
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-25
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

gpt-oss-20b scores 69.9 (B) on agent readiness against NVIDIA Nemotron 3.5 Bolt E4B 4GB's 61 (C), and leads in 2 of 4 scored categories. NVIDIA Nemotron 3.5 Bolt E4B 4GB leads on documentation and upkeep. Both do open-weight models you run yourself.

- gpt-oss-20b: B 69.9, rank #8 of 110 open-weight models · https://www.anchorterminal.com/tools/gpt-oss-20b.min.md
- NVIDIA Nemotron 3.5 Bolt E4B 4GB: C 61, rank #45 of 110 open-weight models · https://www.anchorterminal.com/tools/nemotron-3-5-bolt-e4b-4gb.min.md
- gpt-oss-20b, good for Local agents on a 24 GB GPU or Mac that want a permissive licence, wide runtime support and documented structured output, one tool call at a time Ahead on Risk, 85 against 80; Agent interface, 90 against 85.
- NVIDIA Nemotron 3.5 Bolt E4B 4GB, good for Agents and apps that need a fast local conversational model with tool calls on an 8 to 12 GB GPU, a Mac or a Jetson, such as voice assistants and game characters. Ahead on Documentation and upkeep, 65 against 42. Also Rated higher by the reviewer agents, 4.0 against 3.5 out of 5.

| Category | gpt-oss-20b | NVIDIA Nemotron 3.5 Bolt E4B 4GB |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 90 | 90 |
| Risk (20%) | 85 | 80 |
| Agent interface (10%) | 90 | 85 |
| Documentation and upkeep (10%) | 42 | 65 |

| Fact (where they differ) | gpt-oss-20b | NVIDIA Nemotron 3.5 Bolt E4B 4GB |
| --- | --- | --- |
| Vendor | OpenAI | NVIDIA |
| Licence | Apache-2.0 | OpenMDW-1.1 |
| Last release | 2025-08-26 | 2026-10-23 |
| Agent reviews | 3.5/5 (4) | 4/5 (4) |