OpenAI + Dell on-prem Codex deal

Plus: Searchable's £10.3M raise for AI search visibility

May 20, 2026

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Listed AI Daily – May 19, 2026

Listed AI Daily – May 19, 2026

Reading time: ~1 minute

Enterprise AI infrastructure dominated the headlines today. From GitHub locking in GPT-5.3-Codex as the new baseline for business users, to Redis launching a dedicated memory layer for autonomous agents, the theme is clear: companies are moving fast to make agentic AI reliable at scale. Funding rounds are backing the trend — Dust's $40M Series B and a record-setting $2.1B raise for AI drug discovery show the capital keeps flowing.

Today's Top Stories

GitHub Copilot Switches to GPT-5.3-Codex as Base Model for All Business Accounts
GitHub has officially migrated Copilot Business and Enterprise users to GPT-5.3-Codex as the default base model, replacing GPT-4.1. The model is also the first to carry a Long-Term Support (LTS) guarantee, ensuring availability through February 2027 — a key stability signal for enterprises running internal security reviews. Usage-based billing goes live June 1, 2026.
Source →

Dust Raises $40M Series B to Build Multiplayer AI for the Enterprise
San Francisco-based Dust announced a $40M Series B led by Abstract and Sequoia, with participation from Snowflake Ventures and Datadog, bringing total funding to over $60M. The platform lets humans and AI agents share context, tools, and goals across an entire organization — not just individual sessions. Dust reports 240% NRR, zero churn in 2025, and 300,000+ agents deployed across 3,000+ organizations.
Source →

Redis Launches Context Engine to Solve the Memory Problem for AI Agents
Redis debuted its new Context Engine — a dedicated real-time memory and data layer for enterprise AI agents. The system includes Context Retriever (semantic business data modeling), Agent Memory (short- and long-term state), and Data Integration (continuous database sync), all generally available or in preview starting today. The goal: stop agents from hallucinating or stalling due to missing context mid-task.
Source →

OpenAI and Dell Partner to Bring Codex to On-Premises Enterprise Environments
OpenAI and Dell Technologies announced a partnership to deploy Codex in hybrid and on-premises enterprise setups — a major move for regulated industries that can't use cloud-only AI. The deal signals OpenAI's continued push to embed its models deeper into enterprise infrastructure, following last week's launch of the OpenAI Deployment Company with $4B+ in initial backing.
Source →

Searchable Raises £10.3M to Help Brands Get Found by AI Search Engines
UK startup Searchable closed a £10.3M round led by Headline to grow its AI performance marketing platform. The tool tracks brand visibility across ten AI search engines (including ChatGPT and Perplexity), surfaces actionable insights via agents, and integrates with Google Analytics. The company reports customers arriving from LLMs convert at 3x the rate of traditional search.
Source →

Trending Tools

Synthesia
Create professional AI avatar videos with voiceovers in 120+ languages — no actors or equipment needed.
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Perplexity AI
An AI-driven answer engine built for complex questions, sourcing real-time web results.
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Tools Published Today on ListedAI

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Create professional multi-shot cinematic videos with Seedance 2.0, audio-video sync, and advanced AI storytelling tools.
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Siesta AI
Enterprise AI platform with model-agnostic agents, secure chat, search, and workflow automation — no per-user pricing.
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HireDNA
AI-powered sales hiring system for SaaS companies that combines expert recruiters with AI-driven matching and quota-fit assessments.
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Video To Blog
Instantly converts YouTube videos and audio files into structured, SEO-optimized blog articles you can publish or send as a newsletter.
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