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OpenAI is building a closed-loop developer platform, not just selling model API calls
Today's Codex announcements — automations, plugins, skills, and workspace management — reveal a deliberate strategy: lock developers into an end-to-end environment where GPT-5.5 is the engine but Codex is the chassis. This is the same playbook GitHub used with Copilot, but OpenAI is moving faster and going deeper into workflow ownership. If you are building on raw OpenAI APIs today, start auditing which parts of your orchestration layer Codex could absorb — and decide whether that consolidation helps or creates dangerous vendor dependency.
| Vendor | Change | Category | Impact | Decision | Why |
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| Tool / Model | Category | Why It Stands Out | When to Use |
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| Experiment | Goal | Effort | Expected Outcome |
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