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Christine — Person Summaries

AI-powered summaries of 9 videos about Christine.

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Build Hour: Apps in ChatGPT

OpenAI · 3 min read

ChatGPT apps are moving from “chat-only” to full, interactive experiences by combining three pieces: an apps SDK that injects UI into ChatGPT, an MCP...

ChatGPT Apps PlatformMCP ServersApps SDK

Build Hour: GPT-5

OpenAI · 3 min read

GPT-5 is positioned as OpenAI’s “smartest, most steerable” coding model yet—built to produce higher-quality code, handle long-running agentic...

GPT-5 CapabilitiesResponses APIReasoning Effort

Build Hour: Agent RFT

OpenAI · 3 min read

Agent RFT (agent reinforcement fine-tuning) is positioned as a way to make tool-using agents faster and more accurate by training the model...

Agent RFTTool-Using AgentsTraining-Time Tool Calls

Build Hour: Prompt Caching

OpenAI · 3 min read

Prompt caching is positioned as a straightforward way to cut both latency and cost in OpenAI-powered applications by reusing computation whenever new...

Prompt CachingCache Hit RatePrefix Hashing

Build Hour: Responses API

OpenAI · 3 min read

Responses API is OpenAI’s new “core primitive” for building agentic, multimodal applications—designed to fix pain points from chat completions by...

Responses APIAgentic LoopItems In Items Out

Build Hour: Voice Agents

OpenAI · 3 min read

Voice agents are moving past “transcribe-and-reply” toward audio-native systems that can sound more like real representatives, handle ambiguity, and...

Voice AgentsReal-Time APIAgents SDK

Build Hour: Reinforcement Fine-Tuning

OpenAI · 3 min read

Reinforcement fine-tuning (RFT) is positioned as the most direct way to improve an LLM’s reasoning behavior when the model already has the needed...

Reinforcement Fine-TuningGrader DesignPrompt Optimization

Build Hour: Image Gen

OpenAI · 3 min read

OpenAI’s Image Gen is built on the same GPT-4o architecture used for text, and it’s now available to developers through the Responses API as a...

Image GenResponses APIMulti-Turn Editing

Build Hour: Built-In Tools

OpenAI · 3 min read

Built-in tools let large language models search the web, query private files, and call external services—without developers writing the usual glue...

Built-In ToolsWeb SearchFile Search