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Everything we’ve published under API so far.
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API appears in infrastructure and deployment, a useful buying-intent lane for relevant AI products and services.
OpenAI pushed GPT-5.5 to Chat Completions and Responses with a 1M context window, while putting GPT-5.5-pro behind Responses. The real product is fewer retries — and a nudge off legacy chat endpoints.
OpenAI released detailed guidance on prompting GPT-5.5, and the primary lesson is demolition. Treat it as a new model family, delete your bloated prompt preambles, and keep your tool users updated while the model thinks.
The new prompt guidance for GPT-5.5 is an exercise in demolition. The advice isn't to add new magic words; it's to clear out legacy prompt debt and define the destination rather than the path.
API access means teams can stop admiring GPT-5.5 from the showroom and start deciding where it actually deserves production budget.
OpenAI’s GPT-5.4 mini and nano models are the unglamorous, cost-controlling workhorses that make complex agent systems economically viable.
xAI’s new video API pitches generation, editing, speed, and cost. It’s a bet that creative teams care less about the first cinematic demo and more about the economics of the seventeenth revision.