Compatibility record
Does Codex support Code execution?
Supported
Codex executes code and tests inside isolated task environments while working on a repository.
Last verified2026-07-27
Confidencehigh
Primary sources1
What this state means
Supported, with the qualification kept attached.
Codex has primary evidence for code execution on the reviewed product surface. Plan and platform availability may still change.
Capability definition
Can execute generated or user-provided code in a managed, local, or remote runtime.
Scope boundary
Generating source code without running it is not code execution.
Evidence
Primary records behind the answer.
- 01
“Each task runs in its own cloud sandbox environment.”