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Platform lock-in and developer access — Clarity Today

Topic

Platform lock-in and developer access

Whether a closed, first-party interface catalog gives a model vendor distribution control and a moat beyond model quality, with no comparable route for outside developers.

Current clusters

build1 distinct publisher

OpenAI ships 467 versioned interface types inside Codex, and no door for anyone else

A teardown of the signed Windows client found an undocumented GenUI layer plus a bundled Learning Block registry. The server picks the interface; only code in the installer can draw it.

Publishers:runtimewire.com

Reality

Evidence72
Adoption30
Hype gap+22
Incentives45

Confidence58