GPT-5 Codex vs Claude Haiku 4.5 - AI Model Comparison
Compare capabilities and responses between GPT-5 Codex by openai and Claude Haiku 4.5 by anthropic.
Common Challenges (34)
- Estimate Complexity: Tests an AI's ability to make educated estimates based on technical knowledge...
- AI Board Game Logic: Tests an AI's ability to understand game rules and strategy...
- Logic Puzzle: Tests an AI's ability to solve a simple but potentially confusing logic puzzle...
- Math Misconception Test: Tests an AI's understanding of number representation...
- Stochastic Consistency Test: Tests an AI's randomness and creativity...
- And 29 more challenges...
About GPT-5 Codex
Provider: openai
Release Date: 2025-09-23
Context Window:
About Claude Haiku 4.5
Provider: anthropic
Release Date: 2025-10-15
Context Window: 200000
GPT-5 CodexvsClaude Haiku 4.5
Comparing across 34 challenges
conversationreasoningcode generation+1
conversationreasoningcode generation+2
Battle Arena
0/34 challenges loaded
Loading more challenges...0/34 
