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OpenAI DevDay 2023: Opening keynote

Sam Altman · Nov 6, 2023 · 46m · San Francisco, California

Summary

OpenAI's first developer conference launched GPT-4 Turbo with a 128K context and a much lower price, new modalities in the API, Copyright Shield, custom GPTs that anyone can build without code, and the Assistants API for building agent-like experiences. Microsoft CEO Satya Nadella joined Altman on stage.

Key themes: Models, Agents, Pricing · AI-written summary from the published transcript

Where each highlight is said45:36
  1. 6:05

    GPT-4 Turbo supports up to 128,000 tokens of context, 16 times GPT-4's 8K, with knowledge updated to April 2023

  2. 8:05

    DALL-E 3, GPT-4 Turbo with vision and a new text-to-speech model all came to the API

  3. 11:44

    Copyright Shield: OpenAI will defend customers and pay the costs of copyright infringement claims

  4. 12:35

    GPT-4 Turbo is 3x cheaper than GPT-4 for prompt tokens

  5. 31:03

    GPTs, custom versions of ChatGPT, can be built without code; a GPT Store was promised for later that month

  6. 43:35

    The Assistants API makes it easier to build assistant experiences with threads, retrieval, Code Interpreter and function calling

Announced

4 available the same day
PreviewGPT-4 Turbo128K context, lower price, April 2023 knowledge
GAPrice cut for GPT-4 Turbo3x cheaper prompt tokens than GPT-4
GACopyright ShieldOpenAI defends customers against copyright claims
GAWhisper v3Open-source speech recognition model
AnnouncedCustom Models programOpenAI researchers train custom GPT-4 for companies
GAGPTsCustom ChatGPT versions, GPT Store later in November
PreviewAssistants APIThreads, retrieval, Code Interpreter, function calling

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About this keynote

Keynote page: www.youtube.com/watch?v=U9mJuUkhUzk

On stage
Sources

Photos: Steve Jurvetson, CC BY 2.0, via Wikimedia Commons

Companies named: Coca-Cola, Microsoft, OpenAI

Last changed 2026-09-24.