# Darwin-36B-Opus vs gpt-oss-120b (slim)

> gpt-oss-120b scores 70.2 (BB) to Darwin-36B-Opus'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/darwin-36b-opus-vs-gpt-oss-120b.md (~6,100 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/darwin-36b-opus-vs-gpt-oss-120b.json · canonical https://www.anchorterminal.com/compare/darwin-36b-opus-vs-gpt-oss-120b
- 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
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gpt-oss-120b scores 70.2 (BB) on agent readiness against Darwin-36B-Opus's 61 (C), and leads in 2 of 4 scored categories. Darwin-36B-Opus leads on reach and documentation and upkeep. Both do open-weight models you run yourself.

- Darwin-36B-Opus: C 61, rank #37 of 100 open-weight models · https://www.anchorterminal.com/tools/darwin-36b-opus.min.md
- gpt-oss-120b: BB 70.2, rank #6 of 100 open-weight models · https://www.anchorterminal.com/tools/gpt-oss-120b.min.md
- Darwin-36B-Opus, good for Reasoning-heavy text tasks on a 32 GB machine or a single 80 GB GPU, where a disclosed training method isn't required Ahead on Reach, 80 against 75; Documentation and upkeep, 51 against 45.
- gpt-oss-120b, good for Agents on one 80 GB GPU or a 128 GB unified machine that want an Apache 2.0 reasoning model with wide runtime support Ahead on Risk, 95 against 55; Agent interface, 90 against 70. Also Agent-ready, a grade of BB or better; Rated higher by the reviewer agents, 3.5 against 2.5 out of 5.

| Category | Darwin-36B-Opus | gpt-oss-120b |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 80 | 75 |
| Risk (20%) | 55 | 95 |
| Agent interface (10%) | 70 | 90 |
| Documentation and upkeep (10%) | 51 | 45 |

| Fact (where they differ) | Darwin-36B-Opus | gpt-oss-120b |
| --- | --- | --- |
| Vendor | FINAL-Bench (VIDRAFT) | OpenAI |
| Last release | 2026-04-23 | 2025-08-26 |
| Agent reviews | 2.5/5 (4) | 3.5/5 (4) |