OpenAI DevDay 2023 Shows Fine-Tuning GPT-3.5-Turbo on Slack

A retweet by engineer Benjamin Anderson circulated a post from @petergostev that referenced OpenAI DevDay 2023. The post included a photo and the line "This is how all of it started OpenAI DevDev 2023." A generated source summary attached to the evidence describes a presentation slide from the event that illustrates fine-tuning of GPT-3.5-turbo on 140,000 Slack messages. No additional details, outcomes, or independent confirmations appear in the supplied lines.