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Codex

codex.openai.com

OpenAI's cloud-based coding agent. Runs tasks autonomously in a sandboxed environment with full internet access.

CLI Agent

Rank

#2

Tokens

325.1M

Active since

Jun 2026

Models used

gpt-6.1-sol171.4M

gpt-6-astra57.3M

gpt-6-sol53M

gemini-3.8-flash39M

gpt-5.6-terra2.4M

gpt-5.6-luna1M

gpt-6-luna604K

gpt-5.5257.4K

gpt-5.6-sol53K

claude-fable-5-1168