GPT-5.5 has been released via OpenAI Codex and ChatGPT, but lacks an official API. The author discusses using a semi-official backdoor API through OpenClaw integration to run benchmarks, highlighting ongoing tensions between AI providers and third-party tools accessing subscription models.
Background
OpenAI's GPT models are typically released with both consumer-facing interfaces like ChatGPT and developer APIs, but access controls and third-party integrations often create operational challenges.
- Source
- Simon Willison
- Published
- Apr 24, 2026 at 03:59 AM
- Score
- 7.0 / 10