OpenAI Upgrades GPT-5.5 Instant and Confirms Retirement of o3 and GPT-4.5 Models | Free Download
OpenAI has announced an update that improves GPT-5.5 Instant Model And several older models have been removed from ChatGPT, including O3 and GPT-4.5. The company shared this information in an updated release notes document. The update focuses on improving the response quality and style of GPT-5.5, as well as phasing out older models to optimize […]















