Apr 24
OpenAI releases GPT-5.5 and GPT-5.5 Pro in the API
★★★★★
significance 5/5
OpenAI has announced the release of GPT-5.5 and GPT-5.5 Pro via their API. This update represents the latest iteration in their flagship model series.
Why it matters
The rapid deployment of next-generation flagship models via API signals an accelerating-pace of frontier model iteration and deployment cycles.
Entities mentioned
OpenAITags
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