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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

9.2B

Active since

Jun 2026

Models used

gpt-5.6-sol7.9B

gpt-6-astra1.3B

gpt-5.6-luna10.8M

gpt-5.6-terra452.7K

gpt-5.441.4K