The AI stacks people actually use.

See the model and harness people use every day, plus what they run locally.

Codex models vs Claude models

Share of profiles using Codex or Claude as their hosted model.

Only profiles with a Codex or Claude hosted model appear in this view.

What people use

Model and harness pairings from submitted profiles.

Rank ModelHarness Share Profiles Open model details

One hosted model and harness per profile. Local models are shown separately.