OpenAI Codex Mini vs Cypher Alpha (free) - AI Model Comparison
Compare capabilities and responses between OpenAI Codex Mini by openai and Cypher Alpha (free) by openrouter.
Common Challenges (9)
- 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 4 more challenges...
About OpenAI Codex Mini
Provider: openai
Release Date: 2025-05-16
Context Window: 200000
About Cypher Alpha (free)
Provider: openrouter
Release Date: 2025-07-01
Context Window:
OpenAI Codex MinivsCypher Alpha (free)
Comparing across 9 challenges
code generationconversationanalysis
conversationreasoningcode generation+1
Battle Arena
0/9 challenges loaded
Loading more challenges...0/9 
