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Head-to-head
Llama 4 405B vs openai/gpt-oss-20b
openai/gpt-oss-20b wins+19.0 pts (+26%)on the balanced composite.
Category-by-category
Higher bar wins each row.
Llama 4 405B
Category
openai/gpt-oss-20b
-28.171.9
Code
100.0+28.1
-1.373.7
Reason
75.0+1.3
-13.673.9
Tool Use
87.5+13.6
-25.874.2
RAG
100.0+25.8
-25.074.3
Speed
99.3+25.0
Llama 4 405B
- Provider
- meta
- Released
- 2026-01-20
- Context
- 128K
- Lab
- Community
openai/gpt-oss-20b
- Provider
- local
- Released
- Context
- 0K
- Lab
- Community