OpenAI Codex Mini vs GPT OSS 20B - AI Model Comparison
Compare capabilities and responses between OpenAI Codex Mini by openai and GPT OSS 20B by openai.
Common Challenges (10)
- Stochastic Consistency Test: Tests an AI's randomness and creativity...
- SVG Layout Challenge: Tests an AI's ability to generate vector graphics...
- Xbox Controller SVG Art: Tests an AI's ability to create detailed SVG illustrations of gaming hardware...
- Generate a Stand-Up Routine: Tests an AI's humor and creative writing ability...
- Pokémon Battle UI Recreation: Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file....
- And 5 more challenges...
About OpenAI Codex Mini
Provider: openai
Release Date: 2025-05-16
Context Window: 200000
About GPT OSS 20B
Provider: openai
Release Date: 2025-08-05
Context Window: 131072
OpenAI Codex MinivsGPT OSS 20B
Comparing across 10 challenges
code generationconversationanalysis
21B total (3.6B active per forward pass) 131,072k
conversationreasoningcode generation+4
Battle Arena
0/10 challenges loaded
Loading more challenges...0/10 
