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OpenAI Codex MinivsHorizon Beta

Comparing across 10 challenges

2 Models Selected
Comparison Active
OpenAI Codex Mini

OpenAI Codex Mini

openaiMay 2025
A
Not disclosed
200,000k
medium
code generationconversationanalysis
Horizon Beta

Horizon Beta

openrouterAug 2025
B
256,000k
large
conversationreasoningcode generation+1

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