Great first week for 5.4 in the API. Builders building fast. Greg Brockman (@gdb) gpt-5.4 has ramped faster than any other model we've launched in the API: within a week of launch, 5T tokens per day, handling more volume than our entire API one year ago, and reaching an annualized run rate of $1B in net-new revenue. it's a good model, try it out! — https://nitter.net/gdb/status/2033605419726483963#m
GPT-5.4 API Launch Achieves Record-Breaking First Week Performance
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