Open-Source AI Models launch history

Go from idea to a working agent faster with the Agents API. Build and run cloud agents with the Codex harness, fully managed by OpenAI. We handle orchestration, long-running sessions, and context management. You focus on what makes your agent unique. Available in public beta. https://t.co/74siIaFdg4

AI is advancing at a pace our policymaking institutions were never built for—and the gap between the two is becoming the central challenge of the technology. In his latest essay, our CEO Dario Amodei lays out how to close it. We're launching three new initiatives to support the https://t.co/8KguMgV4dP

Transparent backgrounds are now available in preview for GPT-Image-2 in the API. Generate reusable assets you can place on any background—for product imagery, graphic design, website mockups, and marketing campaigns. https://t.co/yRhBIYh8uP

We’re rolling out age prediction on ChatGPT to help determine when an account likely belongs to someone under 18, so we can apply the right experience and safeguards for teens. Adults who are incorrectly placed in the teen experience can confirm their age in Settings > Account.

Fresh updates for dots. First up: you can now create your dot straight from your phone in the ChatGPT app on iOS and Android. https://t.co/ZHOqBx6tLI

Today we're introducing Muse Ember, our smallest and most efficient model, built for complex reasoning execution and everyday agent work. Muse Ember can carry workflows across apps, call tools in sequence, run tests and make targeted code fixes. With a 1M-token context window https://t.co/qqcjZw6L8x

Introducing GLM-5 from @Zai_org, the best-in-class open-source model for systems engineering and long-horizon agents. AI natives can now use GLM-5 on Together AI and benefit from reliable inference for production-scale reasoning, coding, and agent workflows. https://t.co/GG67zcFRKT

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

We’re launching Claude Corps, a national fellowship program matching people early in their careers with US nonprofits. We'll teach 1,000 people to use Claude, and pay them to use AI to advance their hosts’ missions. https://t.co/QI6JmlAdSr

ChatGPT Go is rolling out globally in every country where ChatGPT is available. ChatGPT Go is our low-cost subscription tier that gives you 10x more messages, file uploads and image creation vs free tier, more memory, longer context window, and unlimited use of GPT 5.2 instant

Introducing Cline Desktop - a native interface for working with open weights models. Use with ClinePass and all our free models like DeepSeek-V4.1-Flash, Musespark-1.3, or BYOK with any provider! https://t.co/7AZdHlVIa9

You can now keep your work from other agents in sync with ChatGPT Work and Codex. Import projects, chats, skills, and plugins, review your import history, and opt in to automatic updates in Settings. Now available in the ChatGPT desktop app. https://t.co/G7OcCIvhj6

We built Control Room, a central system to track model workloads across our research infrastructure and stop them quickly when safety or security concerns arise. It connects every research inference workload, including agentic sampling for model training and evaluation, data

Introducing Agent 2.0 Go from a simple prompt to fully realized marketing briefs and campaign assets right inside of Runway Agent. You can also easily analyze your performance data to improve your creative and scale it across platforms, formats and markets. Agent is being built https://t.co/VZINWuEA7U

Highlights from today’s Codex Thursday launches: 1️⃣ Codex can now securely use apps on your Mac from your phone, even when your Mac is locked and the screen is off. https://t.co/JUOss3M2Va https://t.co/CAEUe1aswm

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

Meet GPT-Image-2.5 Flare and Sunburst. Introducing new image models in the API, with sharper detail, stronger style adherence, and more control over edits. https://t.co/dirY4ANhpr

Today, we're introducing Claude Fable 5 and Mythos 5, two configurations of our next major language model. I'd normally highlight the numbers: It's SOTA on nearly all benchmarks. I want to talk about something else, because with Fable 5 out in the world, I think a third era

today, we release the open weights of Krea 2. welcome Krea 2 Raw and Krea 2 Turbo, an undistilled model from mid-training meant to be fine-tuned, and a fast distilled version with a wide aesthetic diversity. read the details below 👇 https://t.co/3ymzUL2bxv

Introducing Image to Video for Gen-4.5, the world's best video model. Built for longer stories. Precise camera control. Coherent narratives. And characters that stay consistent. Gen-4.5 Image to Video is available now for all paid plans. https://t.co/k92zjXmash

Introducing: Cohere Command A+ We’ve created our most powerful LLM yet, optimized it to run on as little hardware as possible, and released it open-source for all. https://t.co/C1KYnvA8JB

Introducing Runway MCP. Now you can connect Runway directly into Claude, ChatGPT, Cursor, Replit and more. Generate polished images and videos with state-of-the-art models, like Gen-4.5, Seedance 2.0, GPT Images 2.0, Kling and more. Right from where you're already working. https://t.co/J3wBb4kZDy

Introducing LifeSciBench, a benchmark for measuring and improving how well AI supports real-world life science research. Developed with 173 scientists from biotechnology and pharmaceutical research, LifeSciBench includes 750 expert-authored tasks across seven biological research https://t.co/JDkKWcnL9F

Introducing: Cohere Transcribe – a new state-of-the-art in open source speech recognition. https://t.co/l87Z6oyQdM

Introducing Cohere's first open-source coding model: North Mini Code Small & efficient, designed for agentic performance and built for community input. https://t.co/GYk5ORtysU

🌘 Meet Kimi K2.7 Code HighSpeed! A high-speed mode of our latest open-source multimodal coding model, Kimi K2.7 Code. ⚡️ Up to 6× faster: Around 180 tok/s on coding tasks with median-length inputs, and up to 260 tok/s on shorter-context tasks. 🔷 Rolling out to Kimi Code Beta https://t.co/syOOgIdtI4

👏👏 Introducing Qwen3.7-Plus — a multimodal agent model that unifies vision and language into one versatile agent foundation. ✅ Multimodal interactive hybrid agent: unified GUI & CLI operation across visual and text tasks ✅ Versatile coding agent & productivity assistant with https://t.co/T3YTDnkE1D

📣 @GoogleAI’s Gemini 3.5 Flash is now generally available and rolling out in GitHub Copilot. Early testing shows ➡️ It has strong tool use, fast response times, and high cache efficiency ➡️ It is it well-suited for fast, iterative agentic coding workflows Try it out in @code.

introducing Voice Mode. speak as you draw and get changes in real-time. available now in Krea iPad. https://t.co/c6mHHjupmW

Today, we’re introducing Forge, a system for enterprises to build frontier-grade AI models grounded in their proprietary knowledge. 🌎 Forge bridges the gap between generic AI and enterprise-specific needs. Instead of relying on broad, public data, organizations can train models https://t.co/4YQ3ADvixr