Top startup launches for the week of May 1-7, 2026

Series E - raising $950 million from new and existing investors, led by @Tiger_Global and @GVteam, at a valuation of over $15 billion. Sierra now has more than $1 billion to invest in becoming the global standard for companies transforming their customer experiences with AI.

Introducing SubQ - a major breakthrough in LLM intelligence. It is the first model built on a fully sub-quadratic sparse-attention architecture (SSA), And the first frontier model with a 12 million token context window which is: - 52x faster than FlashAttention at 1MM tokens - https://t.co/eZL0VOqBB4

Image Generation Quality Mode is now available on the xAI API. This model has already powered the generation of over 300 million images on Grok. It brings higher realism, stronger text rendering, and better creative control for business professionals. https://t.co/se5D7T5RJW

Announcing Cofounder 2: Run an entire company with agents. It's the infrastructure for the one person billion dollar company - orchestrating agents across engineering, sales, marketing, ops, and design. (and yes that's my real grandma in the video) https://t.co/z1e7yHyvEg

Introducing GPT-Realtime-2 in the API: our most intelligent voice model yet, bringing GPT-5-class reasoning to voice agents. Voice agents are now real-time collaborators that can listen, reason, and solve complex problems as conversations unfold. Now available in the API https://t.co/2DY1LU2vO8

Kuli (@kuli_ai) is the AI coworker that gives marketers their time back and makes them 10x more efficient. It watches all videos on socials to find the next trend and gets work done. Already live at Fortune 100 brands, it plans and runs their campaigns with creators. Congrats https://t.co/ge62ESE2KN

What if your Claude could be Monica? Or Darius? Or whoever you want them to be? Today, we’re introducing the Pika MCP. Which means you can give your Claude a face, name, and personality—plus the ability to create rich, multimodal content. Byeeee generic AI. Pikafy your Claude https://t.co/5xfvqR47pU

Introducing Studio Agent in ElevenCreative. Studio is the timeline editor where creators and marketers mix voiceovers, music, sound effects, and video into finished content. Now it has an AI co-editor built in. https://t.co/FXeO3k6abc

We’ve partnered with @AMD, @Broadcom, @Intel, @Microsoft, and @NVIDIA, to release Multipath Reliable Connection (MRC), a new open networking protocol that helps large AI training clusters run faster and more reliably, with less wasted GPU time. https://t.co/AiV952AJXs

Meet Standout: your personal Talent Agent It introduces you to your next role to escape the permanent underclass With AGI around the corner it’s time to do your life work RT and comment “Standout” for access — first opportunities in minutes (french accent not included in the https://t.co/fgofDkkwgp

Today, we're excited to launch AI Coverage (insurance for when your AI messes up). Insurance was built for risks that have existed for decades. AI is creating a new category very quickly. https://t.co/IGsBvofFBC

Today we're launching Perplexity Computer for Professional Finance. Finance teams can bring licensed data from providers like Morningstar, PitchBook, Daloopa, and Carbon Arc into Computer. We’ve also added 35 dedicated finance workflows for the work analysts repeat every week. https://t.co/AfWvC2FOpA

We’re collaborating with @ServiceNow to deliver autonomous AI agents that can act across enterprise workflows with governance, auditability and secure execution built in. At @ServiceNow Knowledge 2026, ServiceNow introduced Project Arc, a long-running desktop agent built on open https://t.co/0L2L0uZbqy

Introducing Series - the AI social network that lives in your texts. For the first time, you can now discover new people directly within iMessage. Live now (thread below) https://t.co/DcywmqoVLi

Excited to annouce the launch of my company Chronicle Labs (YC P26); the staging environment for enterprise AI agents. Just like trading teams backtest algorithms before deploying capital, companies should be able to backtest agents before deploying them into real workflows. We https://t.co/zMICPc5kBC

I'm thrilled to announce @nova_ai's $40M funding across a Series A led by @chemistry and a Seed led by @Accel, with participation from @conviction and SAP's venture arm https://t.co/UuQkPJw9H0. https://t.co/wEgqddxPF6

Introducing /orchestrate, a skill that recursively spawns agents to tackle your most ambitious tasks with the Cursor SDK. We’ve used it to: - Autoresearch our internal skills, cutting token use by 20% while improving evals - Cut cold start times on our internal backend by 80% https://t.co/8Hm8S9J5pg

We just raised $23M Series A from Halberd Ventures to help brands rank #1 in every AI Answer. Introducing CrowdReply 2.0 The first platform that tracks every AI answer mentioning your brand and shows you exactly how to win them. RT + comment "RANK" and we'll give you a free https://t.co/KsCN7gkMGh

Today Ethos announces our $22.75M Series A led by @a16z, with participation from @generalcatalyst, @xtxmarkets, @MattEvantic, and @_CommonMagic. Ethos turns what you know into recurring income - matching your expertise to expert calls, research, AI training, fractional work, and https://t.co/VbsG2bjDrO

We raised $9M from @ycombinator, @20VC and 20+ unicorn founders - to build the law firm you've always dreamt of working with. Solving complex legal matters in hours, globally, without crippling your spend. So founders can build, employees can sell, and businesses can grow 🚀 https://t.co/fdtnKGNM1i

We’ve been working closely with the @harvey team on the launch of the Legal Agent Benchmark, a product focused on evaluating how open-weight models perform on long-horizon, real-world legal tasks. Check it out: https://t.co/yo5MaOULei

Personal Computer is now available to all users in a new Perplexity Mac app. Personal Computer is an advanced version of Perplexity Computer. It operates on any Mac, running tasks across your local files, native Mac apps, the web, and Perplexity’s secure servers. https://t.co/M1QMZJuOyJ

Our new voice models are now available in the Realtime API: 🎙️ GPT-Realtime-2: Build production-ready voice agents that can think harder, take action, handle interruptions, and keep conversations flowing. 🎙️ GPT-Realtime-Translate: Translate while streaming across more than 70

📢 Official Announcement: Qwen Partners with Fireworks AI to Accelerate Access to Qwen Family Models We are pleased to announce a strategic partnership between Qwen and Fireworks AI to deliver optimized, production-ready deployment of Qwen's closed weights models via the

Hermes Agent now has @Hyperframes_ skill, natively a close collab with @NousResearch One-line install $ hermes skills install hyperframes X post -> 30s explainer A PDF -> walkthrough vid A repo -> launch reel make your Hermes Agent your video editor https://t.co/BLNTsP1Uhy

A new PR review experience is now available in Cursor 3. Take PRs from creation to merge, all in one place. You can see comments, diffs, commits, and review status to understand what changed and next steps. Navigate larger PRs more quickly with the file tree and changes picker. https://t.co/ZOFrf7mPSn

We’re donating Petri, our open-source alignment tool, to @meridianlabs_ai, so its development can continue independently. Working with Meridian Labs, we’ve also released a major update that improves the adaptability, realism, and depth of Petri’s tests. https://t.co/CyicsIScJi

Introducing Altara: the scientific intelligence platform for the physical world. Today @evatuecke and I are excited to announce our $7M seed led by @GreylockVC, joined by @Neo, @BoxGroup, @Liquid2V, and angel investors including @JeffDean and leadership from OpenAI & AMD. We’re https://t.co/FThgTfCibW

Today we're launching Pit, with $16M in funding led by a16z. For 20 years, companies have adapted themselves around rigid software, leading to broken workflows and a quiet loss of productivity. With AI, that model breaks. For the first time, companies can run on systems https://t.co/v0TZi4XqqI

MRC is already deployed across all of OpenAI’s largest supercomputers that we use to train frontier models, including our site with @Oracle Cloud Infrastructure (OCI) in Abilene, Texas, and in @Microsoft’s Fairwater supercomputers. MRC is now available through the https://t.co/KJHyfX0RTd