Verified65% confidenceFactExact time

GPT-3.5 Turbo is OpenAI's first commercial model to have its conversational capabilities large-scale optimized based on RLHF.

3

Sources

65%

Confidence

Long-term

Relevance

7/9/2026

First Seen

Sources

Getting Started with OpenAI LLM Development: A Practical Guide to Model Selection, Token Pricing, and API Usage

bilibiliSCI论文发刊7/8/2026

Related Claims

UnverifiedOpenAI relied on RLHF to achieve an alignment breakthrough in the leap from GPT-3 to ChatGPT79% similar UnverifiedGPT-3.5 最初是 OpenAI 为训练 RLHF 奖励模型而开发的中间版本，后以 text-davinci-003 发布，在 ChatGPT 上线后才被追溯命名为 GPT-3.578% similar

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