Compare/SPIRITT vs Codex

SPIRITT vs Codex

Codex is OpenAI's coding agent across CLI, IDE and cloud. SPIRITT wins the coding capability rounds and adds deployment and operation across every model, while Codex suits teams that only want an OpenAI coding agent.

SPIRITT

9.5

3:1Rounds won

Codex

9.0

Evaluation

Round by round

Coding performance on multi-step tasksSPIRITT

SPIRITT's harness came out ahead end to end.

Model choiceSPIRITT

SPIRITT is not tied to one lab.

Ship and operateSPIRITT

Deploys, hosts and maintains the result.

Native developer surfacesCodex

Codex lives in the CLI, IDE and ChatGPT.

Pick SPIRITT if

You want top coding plus everything after the code.

Pick Codex if

You want OpenAI's coding agent inside your existing tools.