Frontier

4 Checks Before Deploying GPT-6 Astra, the First 'Critical' Cyber Model

Anthropic Releases Claude Opus 5 as Its New Default for Max

Anthropic introduced Claude Opus 5, describing stronger coding and knowledge-work performance at the same price as its predecessor.

Meta Launches Muse Image and Previews Muse Video

Meta introduced its first Superintelligence Labs media models, pairing an available image model with an early video preview.

Anthropic Launches Claude Fable 5 and Restricted Mythos 5

Anthropic released Fable 5 for general use with safeguards and made the related Mythos 5 available to a limited cyberdefense group.

Anthropic Releases Claude Opus 4.8 for Coding and Long-Horizon Work

Anthropic described Opus 4.8 as an upgrade for coding, agentic tasks and professional work that can stay consistent over longer assignments.

Google Launches Gemini 3.5 With a Focus on Agentic Action

Google introduced Gemini 3.5, a model family designed for complex multi-step workflows and broader availability in Gemini and Search.

OpenAI Introduces GPT-5.5 for Coding, Knowledge Work and Research

OpenAI released GPT-5.5 and then made GPT-5.5 and GPT-5.5 Pro available through its API the following day.

Anthropic Releases Claude Opus 4.7 for Coding and Long-Running Agents

Anthropic introduced an Opus upgrade focused on coding, vision, multi-step tasks and consistency over longer work.

Meta Introduces Muse Spark as Its First Superintelligence Labs Model

Meta launched Muse Spark, a multimodal reasoning model with tool use, visual chain of thought and multi-agent orchestration.

OpenAI Closes a $122 Billion Funding Round for Its Next AI Buildout

OpenAI said it had closed $122 billion in committed capital and described compute as a strategic advantage for its product platform.

Anthropic Raises $30 Billion in Series G Funding

Anthropic announced a $30 billion financing round at a $380 billion post-money valuation to fund research, products and infrastructure.

Anthropic Says Claude Will Remain Ad-Free

Anthropic argued that advertising incentives are incompatible with a genuinely helpful assistant and committed to other access models.

Google Makes Gemini 3 the Default Model for AI Overviews

Google said Gemini 3 would power AI Overviews by default and add follow-up conversations directly inside Search.

OpenAI Sets Out an Advertising Plan for ChatGPT's Free Tier

OpenAI said it would begin testing ads for free and Go users in the U.S. while excluding Pro, Business and Enterprise plans.