Open-Source AI Models launch history

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

The next frontier of agentic development is here, and you are in control.  Today we announced releases that will keep you in the flow with your agents, all on the GitHub platform.  ⬇️ https://t.co/4YveYzO6HP

And tomorrow, we’ll launch a $150 million national fellowship program designed to help people early in their careers extend the benefits of AI to communities across America.

Moonshot released K2.7 Code, the latest in their K2 line of coding models, and it's live on Fireworks Day 0, on serverless and the API. It produces roughly 30% fewer reasoning tokens than K2.6 while scoring higher on Moonshot’s coding benchmarks. For agentic coding work, that https://t.co/wgb6ajiFu1

.@impeccable_ai earned its way to 40k+ stars on GitHub by delivering exceptional value. Today, we are making design and quality a built-in layer for all creators: Impeccable is now a built-in skill in the GitHub Copilot app. AI raised the floor. We’re here to help raise the https://t.co/wB1AqqRbkR

Introducing Gemma-4-31B-it-Pearl on Together AI, Pearl Research Labs’ instruction-tuned checkpoint of Gemma 4 31B powered by @prlnet Proof of Useful Work protocol. AI natives can now use this Pearl model as a serverless inference endpoint on Together AI, at a 25%+ discounted https://t.co/ljoQ8Nfa1U

🏎️ Fast mode for @AnthropicAI’s Claude Opus 4.6 is rolling out in research preview on GitHub Copilot. Get 2.5x faster token speeds with the same frontier intelligence—now at promotional price of 9 premium requests through Feb 16. This release is early and experimental. Try it

No more waitlist. The GitHub Copilot app's technical preview is now available to everyone currently on Copilot Pro, Pro+, Max, Business, and Enterprise plans. This agent-native desktop experience lets you decide what agents work on, how they work, and what ships. Go from issue https://t.co/Mww5yS6cig

🚀 Introducing FlashQLA: high-performance linear attention kernels built on TileLang. ⚡ 2–3× forward speedup. 2× backward speedup. 💻 Purpose-built for agentic AI on your personal devices. 💡Key insights: 1. Gate-driven automatic intra-card CP. 2. Hardware-friendly algebraic https://t.co/pA9HCHwFZw

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

📣 @AnthropicAI's Claude Sonnet 5 is now generally available and rolling out in GitHub Copilot. Early testing for Claude Sonnet 5 showed: • strong results across a range of coding scenarios, particularly for performance on CLI-style tasks. • excellent prompt-cache utilization https://t.co/KTLpnOggXP

The new memory system will keep track of important details automatically. If you prefer the legacy saved memories experience, you can switch back in settings. The new memory system is rolling out to Plus and Pro users in the US today, along with 2x more memory. To access it on

Today we're launching Brand Skills in Claude. This is a set of skills /gooseworks that gives Claude full context on your brand — logo, colors, voice, positioning — so anyone can make on-brand ads and content directly in Claude, Claude Code, Cowork, or Codex. Here's how it https://t.co/ilXfDQXF5f

Nemotron 3 Ultra is now available for Pro and Max subscribers on Perplexity and Computer. It's @nvidia's new open model built for long-running agents. https://t.co/uTvs8rn2Vs

today, we're releasing the API for Krea 2. now available in platforms like @fal or @ComfyUI, through agents like Hermes from @NousResearch, and with full support for Claude, Codex, or OpenClaw. learn how you can set it up 👇 https://t.co/R4jdyyTxQk

Claude Fable 5 is now available in Computer as an orchestrator model. This is Anthropic's state-of-the-art model for long, complex tasks. Available only to Pro and Max subscribers in Computer. https://t.co/TvpfwDkxG4

We’re also launching the OpenAI Daybreak Cyber Partner Program with leading security software and services providers. Participating partners can use GPT‑5.5 with Trusted Access for Cyber in the security products and services they provide to customers. This allows their

GPT-5.5 Instant is rolling out over the next two days as the default model to all ChatGPT users, and as ‘gpt-5.5-chat-latest’ in the API. Personalization improvements are rolling out to Plus and Pro users on the web, and soon on mobile. Memory sources are rolling out across all

Git 2.55 is here with a new incremental repacking strategy, more flexible ways to edit history, and much more. Check out our highlights from the latest release ✨ https://t.co/lDyyGZDqH4

Have you visited Git City yet? This open source project turns your GitHub profile into a pixel art city. Your commits, repos, and stars build the skyline. 🌃 https://t.co/Gi8E3jK4wt https://t.co/k5wxG9XlOR

To support other researchers getting hands-on experience with NLAs, we’ve partnered with Neuronpedia to release NLAs on open models. Try them out here: https://t.co/8duHfPR1Jy

Ideogram just released their latest and best v4 image model open weights State of the art and open weights go well together 🤗 Model: https://t.co/DUcL7BBH7D Demo: https://t.co/fIc26kF6Ky https://t.co/aw1S88Vx00 https://t.co/iD0FWyIgVs

Introducing Project Luxo: a new initiative exploring how AI-generated video has crossed the uncanny valley. Over the past few weeks, we’ve shared a series of short films with Hollywood executives, producers, directors, writers, actors and reporters. The response has been https://t.co/47TOMqzK4r

To truly understand AI’s economic impact, we’ll need to collect much more qualitative data like this. That’s why we’re launching the Anthropic Economic Index Survey. Each month, we’ll ask Claude users how AI is changing their work. For more details, see: https://t.co/kRdvr5Ohe4

We’re excited to announce our $1.5B Series F. Baseten exists to help companies own their intelligence and run AI products in production with speed, reliability, and control. As we enter this next chapter, three things are clear: 1. Customers like Abridge, Clay, Cursor, Decagon, https://t.co/At1I40iDNc https://t.co/96xCJBjYAh

Kimi K2.6, the new state-of-the-art open-weight model from Moonshot, is now available for Pro and Max subscribers. https://t.co/Cn2mRh8525

CEO Jensen Huang took the stage at GTC Taipei and redefined the future of AI. He unveiled AI infrastructure running the world's AI factories, autonomous agents that actually do things, physical AI and robotics stepping into the real world, and a brand-new generation of personal https://t.co/x9skzpyN8P

introducing Node Agent. describe what you want, and watch our agent build and refine creative workflows to make it happen. completely free for Pro, Max, and Business in krea . ai / nodes https://t.co/oe0kzn7kIJ

introducing prompt-to-workflow. now you can create entire node workflows from text instructions. try it now in Krea Nodes. https://t.co/T50nNFQTsL

🚀 Introducing FlashQLA: high-performance linear attention kernels built on TileLang. ⚡ 2–3× forward speedup. 2× backward speedup. 💻 Purpose-built for agentic AI on your personal devices. 💡Key insights: 1. Gate-driven automatic intra-card CP. 2. Hardware-friendly algebraic https://t.co/4Vhyyw5RuB