Introducing Claude Sonnet 5.5
A clear upgrade over Sonnet 5 that runs 30% faster and costs up to 30% less for most work.
In the announcementPerformance · Coding · Knowledge work · Cost and speed · Safety
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New AI models
New model releases from Anthropic, OpenAI (ChatGPT), xAI (Grok), Microsoft (its own MAI models, and model changes in Microsoft 365 Copilot) and GitHub Copilot. A job reads each company’s own announcements once a day. The summary and section list on every entry are the vendor’s own words. For major launches, Original Pages adds a short note on what is new and why it matters, checked against the vendor’s own post or developer docs.
Claude Sonnet 5.5 in GitHub Copilot
Claude Sonnet 5.5, Anthropic's newest Sonnet model, is now generally available in GitHub Copilot. It is designed for well-scoped everyday work like building features and fixing bugs. In our early testing, Sonnet 5.5 stood out for its efficiency, matching Claude Sonnet 5 on coding tasks while using significantly fewer…
Introducing Claude Opus 5.5
Opus 5.5 performs at the level of Claude Fable 5.1 on most work and costs 40% less to run than Opus 5.
In the announcementPerformance and cost-effectiveness · Coding · The most secure coding agent · Knowledge work · Communication · Safety
Introducing GPT-6 Sol and Luna
Meet GPT-6 Sol and Luna, two models that bring frontier intelligence to everyday work with different balances of capability and cost.
Grok 4.7
Grok 4.7, SpaceXAI's frontier model for coding, agentic tasks, and knowledge work, is now available on the xAI API as grok-4.7. It has a 500k context window, text and image inputs with text-only output, and no text output limit. Pricing is $2 / $0.50 / $6 per 1M tokens (input / cached input / output) below 200k…
Grok Voice Transcribe 2.0
grok-voice-transcribe-2.0 is now available. Use grok-voice-transcribe-1.0 or grok-voice-transcribe-2.0; the default is grok-voice-transcribe-1.0. See the Speech to Text docs.
Introducing ChatGPT Images 2.5
ChatGPT Images 2.5 helps turn your ideas, sketches, and reference photos into more personalized, polished images that better reflect your ideas.
GPT-6 Astra: A new generation of intelligence
Introducing GPT-6 Astra, our most intelligent and aligned model yet, with state-of-the-art capabilities across computer use, coding, cybersecurity, and science.
Introducing Claude Fable 5.1 and Claude Mythos 5.1
Our most advanced models for coding and knowledge work. Their research capabilities also offer an early glimpse of how AI models will contribute to scientific progress.
In the announcementA new performance frontier · Scientific research · Safety, security, and alignment · Trusted access for Claude Mythos 5.1 · Compliance with the EU AI Act · Cost and availability
Introducing MAI-Cyber-1-Flash inside MDASH
Today we’re announcing MAI-Cyber-1-Flash inside of MDASH, our multi-agent vulnerability identification and remediation harness. Together they deliver world-class performance at 50% of the cost of leading models.
Grok 4.6
Grok 4.6, SpaceXAI's frontier model for coding, agentic tasks, and knowledge work, is now available on the xAI API. It has a 500k context window, text and image inputs with text-only output, and no text output limit. Pricing is $2 / $0.50 / $6 per 1M tokens (input / cached input / output) below 200k prompt tokens,…
Introducing MAI-Thinking-1
MAI-Thinking-1 is now available in public preview. Try it now in Microsoft Foundry
In the announcementThe Hill-Climbing Machine · Medium-sized model, with strong software engineering performance · Advanced mathematical reasoning capabilities · Preferred in human side-by-sides vs. Sonnet 4.6 · Enterprise ready · Putting humans first
MAI-Code-1.1-Flash: Better, faster, at a quarter of the cost
MAI-Code-1.1-Flash produces higher quality code, at 25% greater token efficiency, and at a quarter of the cost compared to the model we launched in June at Microsoft Build. This small, efficient, coding workhorse is now in production in GitHub Copilot.
In the announcementHelp shape future improvements
MAI-Image-2.6 launches at No. 2 on Arena ahead of Google, Meta and xAI
MAI-Image-2.6 and MAI-Image-2.6-Flash are now available in Public Preview on Microsoft Foundry . Learn more about the launch here .
In the announcementAnother step up in quality · More to come
Grok Voice Think Fast 2.0 is available
grok-voice-think-fast-2.0 is now available with Speech to Speech. grok-voice-latest will route to this model starting August 5, 2026. To get started, see the Speech to Speech docs. For more details, see our announcement.
Hill-climbing MAI models for GitHub Copilot and Excel
At Build in June, we introduced our h ill – climbing machine , our integrated data, model, and harness flywheel. Today we are excited to share two examples inside Microsoft: MAI models specialized for agentic workloads in GitHub Copilot and Excel.
In the announcementLearn More
Introducing MAI-Image-2.5-Pro and MAI-Voice-2-Flash
“MAI-Image-2.5-Pro is a strong leap forward for GenMedia tools. Beyond the impressive image quality, its ability to render text with this kind of accuracy is a real breakthrough. It also understands natural language edits, so creative iteration becomes faster and far more intuitive. Microsoft has firmly established…
GPT-5.6: Frontier intelligence that scales with your ambition
More intelligence from every token, stronger performance per dollar, and more capability on demand for your hardest work.
GPT-5.6 is now the preferred model in Microsoft 365 Copilot
Learn how GPT-5.6 powers Microsoft 365 Copilot with stronger AI capabilities across Word, Excel, PowerPoint, Chat, and Cowork for faster, higher-quality work.
Introducing GPT-Live
A new generation of voice models for natural human-AI interaction, now powering ChatGPT Voice.
Grok 4.5
Grok 4.5, SpaceXAI's model for coding, agentic tasks, and knowledge work, is now available on the xAI API. Priced at $2 / 1M input tokens and $6 / 1M output tokens, with configurable reasoning effort (low, medium, or high; default high). See the Grok 4.5 overview and the announcement.
Previewing GPT-5.6 Sol: a next-generation model
OpenAI previews GPT-5.6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.
Introducing new capabilities to GPT-Rosalind
GPT-Rosalind advances life sciences research with enhanced biological reasoning, medicinal chemistry expertise, genomics analysis, and experimental workflow capabilities.
Introducing MAI-Voice-2
Today we’re launching MAI-Voice-2 — the most expressive, natural-sounding text-to-speech model we’ve built to date. It’s a significant leap from its predecessor across every dimension that matters to production voice experiences: fidelity, language coverage, speaker consistency, and emotional range. It is built for…
In the announcementFeatures and capabilities · Performance · Guess the human recording vs. MAI-Voice-2 · Supported Languages · Voice Synthesis · Consent and Safety
MAI-Image-2.5 launches at No. 2 for image editing on Arena
MAI-Image-2.5 is our strongest image model yet – and now ranks No. 2 on Arena’s Image Edit leaderboard , ahead of Nano Banana 2. 1
In the announcementFeatures and capabilities · Benchmarks · Arena Model Scores · Powering Microsoft products · Best price-to-performance models · Safety and limitations
Introducing MAI-Transcribe-1.5
Today we’re launching our MAI-Transcribe-1.5, the most accurate multilingual speech-to-text model with a best-in-class Word-Error-Rate (WER) across 43 languages.
In the announcementFeatures and Capabilities · Accuracy · Speed · Keyword biasing · What’s next · Try it out
Introducing MAI-Code-1-Flash
Today we’re introducing MAI-Code-1-Flash, a new Microsoft coding model built for fast, efficient assistance in everyday developer workflows. We trained it from the ground up on clean, traceable and enterprise-grade data, without distillation from third-party models. The model is rolling out to GitHub Copilot…
In the announcementFeatures and capabilities · Build for developers, not benchmarks · Designed to maximize value per token · Benchmark results in the production harness · Math, Science, Instruction Following, and Agentic coding tasks · Try it out
GPT-5.5 Instant: smarter, clearer, and more personalized
GPT-5.5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.
Introducing GPT-5.5
This post introduced GPT-5.5, a model built for complex tasks like coding, research, and data analysis across tools.
Introducing ChatGPT Images 2.0
This 2026 launch introduced ChatGPT Images 2.0, with improved text rendering, multilingual support, and visual reasoning. See what’s new in Images 2.5.
MAI-Image-2-Efficient: Flagship Quality, 41% Lower Cost
We built MAI-Image-2 to be our best text-to-image model — photorealistic, expressive, with reliable in-image text.
In the announcementMAI-Image-2-Efficient leads on render speed · Two models, two jobs · Start building now
Last checked Sep 29, 2026, 06:13 AM UTC. Sources: Anthropic news, OpenAI news feed, xAI API release notes, Microsoft AI news, GitHub Copilot changelog. Also in the RSS feed and on Latest updates.