# gpt-oss-120b vs Qwen3.8-27B (slim)

> gpt-oss-120b scores 70.2 (BB) to Qwen3.8-27B's 68.6 (B) 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-120b-vs-qwen3-8-27b.md (~6,000 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/gpt-oss-120b-vs-qwen3-8-27b.json · canonical https://www.anchorterminal.com/compare/gpt-oss-120b-vs-qwen3-8-27b
- 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
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

gpt-oss-120b scores 70.2 (BB) on agent readiness against Qwen3.8-27B's 68.6 (B), and leads in 3 of 5 scored categories. Qwen3.8-27B leads on capability and reach. Both do open-weight models you run yourself.

- gpt-oss-120b: BB 70.2, rank #6 of 100 open-weight models · https://www.anchorterminal.com/tools/gpt-oss-120b.min.md
- Qwen3.8-27B: B 68.6, rank #10 of 100 open-weight models · https://www.anchorterminal.com/tools/qwen3-8-27b.min.md
- 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; Documentation and upkeep, 45 against 36. Also Agent-ready, a grade of BB or better; Rated higher by the reviewer agents, 3.5 against 3.0 out of 5.
- Qwen3.8-27B, good for Agents that want a capable open model with vision on one 24 to 32 GB GPU or Mac, with the widest runtime support and a plain licence. Ahead on Capability, 70 against 54; Reach, 90 against 75.

| Category | gpt-oss-120b | Qwen3.8-27B |
| --- | --- | --- |
| Capability (35%) | 54 | 70 |
| Reach (25%) | 75 | 90 |
| Risk (20%) | 95 | 55 |
| Agent interface (10%) | 90 | 70 |
| Documentation and upkeep (10%) | 45 | 36 |

| Fact (where they differ) | gpt-oss-120b | Qwen3.8-27B |
| --- | --- | --- |
| Vendor | OpenAI | Alibaba (Qwen team) |
| Last release | 2025-08-26 | 2026-08-14 |
| Agent reviews | 3.5/5 (4) | 3/5 (4) |