
GPT-5.4 Thinking and GPT-5.4 Pro are rolling out now in ChatGPT. GPT-5.4 is also now available in the API and Codex. GPT-5.4 brings our advances in reasoning, coding, and agentic workflows into one frontier model. https://t.co/1hy6xXLAmJ
Top AI Development Tools launches from March 2026, ranked by X views.

GPT-5.4 Thinking and GPT-5.4 Pro are rolling out now in ChatGPT. GPT-5.4 is also now available in the API and Codex. GPT-5.4 brings our advances in reasoning, coding, and agentic workflows into one frontier model. https://t.co/1hy6xXLAmJ

Composer 2 is now available in Cursor. https://t.co/Dl0EcpiLpf
Today, we closed our latest funding round with $122 billion in committed capital at an $852B post-money valuation. The fastest way to expand AI’s benefits is to put useful intelligence in people’s hands early and let access compound globally. This funding gives us resources to
Congrats to the @cursor_ai team on the launch of Composer 2! We are proud to see Kimi-k2.5 provide the foundation. Seeing our model integrated effectively through Cursor's continued pretraining & high-compute RL training is the open model ecosystem we love to support.
We’re acquiring Promptfoo. Their technology will strengthen agentic security testing and evaluation capabilities in OpenAI Frontier. Promptfoo will remain open source under the current license, and we will continue to service and support current customers.
GPT 5.4 is now available in Cursor! We've found it to be more natural and assertive than previous models. It's currently the leader on our internal benchmarks.

GPT-5.4 and GPT-5.4 Thinking are now available in Perplexity for Pro and Max subscribers. https://t.co/ewbD7rAKZ8
Two quick updates for V8 (1) Relax mode is now available for V8 (2) We've put up a new version of SREF / Moodboards which is 4x faster, 4x cheaper, supports HD mode, personalization, --stylize, and --exp. Note: If you want to use the old version just type --sv 6 new is --sv 7

Together Research has produced FlashAttention, ATLAS, ThunderKittens and more. This week at AI Native Conf: seven more releases, all coming to production soon. Thread → #ainativeconf #ainativecloud https://t.co/XXIXMRRiLe

Introducing v2 of our Open Deep Research app! Generate detailed reports on any topic with open source LLMs. Fully free & open source. We're releasing everything: evaluation dataset, code, app, and blog 🔥 https://t.co/pALfqYcwvE
Supabase plugin for @cursor_ai is now available on the Cursor marketplace https://t.co/6zU19Uxk0m
The GitHub Security Lab Taskflow Agent is designed to detect Auth Bypasses, IDORs, Token Leaks, and other vulnerabilities that often slip through standard tooling. Want to scan your own project? The taskflows are now open source and easy to run yourself. ⬇️

Today we are introducing Runway Builders, a program for Seed to Series C startups building the next generation of products and services with generative video and real-time conversational AI at their core. Participating companies receive complimentary API credits, our highest rate https://t.co/a6BFNehqoP

Day-one access to @OpenAI GPT-5.4 is now available on Databricks! Use GPT-5.4 on Databricks to build and scale GenAI applications on your enterprise data, end to end, with the governance and operational tooling teams need for production. GPT-5.4 achieved significant accuracy https://t.co/Y67ljcBk3x

Today, Together AI is launching a unified solution for building real-time voice agents with the entire pipeline running on one cloud. AI natives can now deploy voice apps for every use case at production scale. https://t.co/GhdUWdhEU4
This is Cohere’s first speech-to-text model release and a huge step towards our goal of delivering enterprise speech intelligence into North, Cohere’s agentic AI orchestration platform.

Earlier this week, we launched Runway Characters which represents a new type of real-time interaction with AI. These kinds of immersive simulated experiences are going to reshape the way we experience and engage with the internet. Building a technology this powerful means https://t.co/42iPABCPG0

Agent 4 just launched. Tomorrow we're going LIVE to show you what it can do. Building a realtime chat app that works across web and mobile, all inside one Replit workspace. Starting on the new Agent Canvas, then building out a full web and mobile app from scratch. By the end of https://t.co/J2fn2iXOUn