DevDay 2026 Recap
OpenAI has summarized more than 20 announcements from its DevDay 2026 developer conference. They cover GPT-6 Astra, ChatGPT, Codex, APIs, security and new developer tools.
Agents & harnesses
115 stories · Page 3/3Introducing dots
OpenAI has launched dots, proactive assistants that keep working on complex projects and everyday tasks. The company says users stay in control while the work moves forward.
Holo4: powering generalist computer-use agents
A Hugging Face post presents Holo4, designed to power general-purpose agents that operate computers.
Are you a Codex Original?
OpenAI is collecting stories from developers, researchers and creators who use Codex for its Codex Originals program. Interested users can submit their project.
Proaction boosts sales 60% and saves 75+ hours with Codex
Fleet-management company Proaction uses Codex, GPT-Live-1 and GPT-6 Astra to build, run and sell its software faster. It reports a 60% increase in sales and more than 75 hours saved.
Ringg’s AI agents resolve up to 65% of customer calls with OpenAI
Ringg uses GPT-5.6 to run multilingual customer-service agents across voice, chat, WhatsApp and the web. The company says they resolve up to 65% of calls at 90% lower cost than with GPT-4.1.
Airbnb widens access to GPT-6 Astra and OpenAI frontier models
Airbnb is giving more of its engineering teams access to GPT-6 Astra and other OpenAI models. The goal is to help them fix bugs, design systems and ship faster.
NVIDIA Isaac ROS 5.0 Advances Agentic, Open Source Robotics Development
NVIDIA has released Isaac ROS 5.0, a set of GPU-accelerated packages built on the open ROS robotics framework. It targets developers building robots that perceive, reason and act in changing environments.
Parallel cut research time and cost in half with GPT‑6 Astra
With GPT-6 Astra, Parallel’s agents researched and synthesized labor-market data in half the time and at half the cost of earlier models, according to OpenAI.
V7 cuts costs 78% while boosting accuracy with GPT-5.6 Luna
V7 uses GPT-5.6 to turn scattered company files into context that agents can draw on for complex tasks with linked sources. The company reports a 78% cost reduction alongside better accuracy.
Reimagining advertising with AI
OpenAI is introducing new AI-based advertising formats, including Sponsored Agents and tools for marketers. The company also announced integrations with HubSpot and Shopify.
Hex turns complex analysis into visual reports with GPT-6 Astra
Data platform Hex uses GPT-6 Astra in its data agents to turn answers into interactive visualizations. OpenAI presents it as a customer case study.
Your Agent Aced the Task. Will It Do It Again?
A Hugging Face blog post examines whether AI agents that succeed at a task do so reliably on repeated attempts.
How Fyxer built an AI executive assistant people trust
Fyxer combines OpenAI models with fine-tuning, memory and user feedback to sort inboxes and write emails that match each user’s style. The case study presents how the startup built trust in its AI assistant.
Perplexity trusts GPT-6 Astra with end-to-end systems
OpenAI describes how Perplexity relies on GPT-6 Astra to draft communications, modify software and watch over production systems. According to the case study, the team needs to supervise the model far less often than with previous models.