Unverified90% confidenceFactTime unknown
GPT-4 Turbo在发布时仍带有preview标识，处于测试阶段
1
Sources
90%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026
Sources
实战测试OpenAI四大新API：GPT-4 Turbo到AI Agent商业化落地
bilibili晃悠的程序员
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https://kongchang.com/claim/26363API
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