3Simon Willison's Weblog·
Simon Willison notes Tencent's Hy3 model
Simon Willison flagged Tencent's Hy3 model on his blog, though the body of the post contains no additional detail beyond the title reference. Hy3 appears to be a new model release from Tencent worth tracking. The post is a minimal link or bookmark entry with no substantive analysis.
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Simon Willison's initial impressions of Claude Fable 5
Simon Willison shares initial impressions of Claude Fable 5, a new Anthropic model. The body of the post is not available in the provided content, but the title indicates a hands-on evaluation or commentary from a prominent AI practitioner. As a tier-2 commentary source on what appears to be a new frontier model release, this is worth indexing for the model tracking thread.
Simon Willison on Microsoft's new MAI models
Simon Willison covers Microsoft's release of new MAI (Microsoft AI) models. The post is commentary from a tier-2 source on a Microsoft model announcement, likely summarizing capabilities and context. Microsoft's MAI model line represents the company's continued push to develop proprietary frontier models alongside its OpenAI partnership.
Simon Willison covers Claude Sonnet 5 release
Simon Willison published a commentary post on Claude Sonnet 5, covering what is new in the release. The post is from a tier-2 source and represents secondary analysis of Anthropic's model update. The body content was not provided, so specific claims cannot be assessed, but the subject is a notable mid-tier model release from Anthropic.
A new era of intelligence with Gemini 3
DeepMind has published a blog post titled 'A new era of intelligence with Gemini 3,' suggesting a major new model release or announcement in the Gemini series. The body content was not provided, but the title and source indicate this is a flagship model announcement from Google DeepMind. This would represent the next generation of the Gemini model family following Gemini 2.x.
Simon Willison covers GPT-Live introduction
Simon Willison's blog covers the introduction of GPT-Live, a new product or feature from OpenAI. The body of the post is not available in the provided content, but the title suggests a new real-time or live capability associated with GPT models. This is likely a product launch or capability announcement worth tracking.
H Company releases Holo3.1: fast local computer use agent model
H Company published a Hugging Face blog post announcing Holo3.1, a model designed for computer use agents that runs locally. The release targets fast, on-device computer control tasks, positioning it in the growing space of open/local agentic models. The body content is minimal, but the announcement signals a new entrant in the local computer-use agent category.
The Batch: Claude Mythos 5 / Fable 5 debut, Apple AFM 3, Google Live Translate, OpenAI IPO filing, FrontierCode benchmark
Anthropic launched Claude Fable 5 (a safety-guardrailed model) and Claude Mythos 5 (same underlying model with safeguards removed, for vetted cyberdefense/infrastructure users via Project Glasswing with US government collaboration), both priced at $10/$50 per million tokens. Apple released five new Apple Foundation Models (AFM 3) spanning on-device and cloud tiers, built with Google and Nvidia infrastructure. Additional headlines cover Google's Gemini 3.5 Live Translate (70+ languages, real-time), OpenAI's confidential SEC IPO filing, a NotebookLM upgrade to Gemini 3.5, and Cognition's FrontierCode benchmark for code-quality evaluation where Claude Opus 4.8 leads at 34.3%.
NVIDIA Cosmos 3, Nemotron 3 Ultra, and RTX Spark
A Latent Space AI news digest covers three NVIDIA announcements: Cosmos 3 (a world model/simulation platform), Nemotron 3 Ultra (a large language model), and RTX Spark (likely a new hardware or inference product). The piece frames these as a significant win for Jensen Huang and NVIDIA's AI portfolio. Coverage is commentary-tier aggregation rather than primary technical reporting.