Claude Haiku 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. According to Anthropic.
Why it matters: The post details Haiku 5.5's effort controls and subagent role, useful for judging cost and routing tradeoffs.
Anthropic shipped Claude Haiku 5.5, its first Haiku-tier update in about a year.
Why it matters: The independent numbers show where the headline price advantage is offset by token usage and long-context pricing.
Mistral AI launched a public preview of Mistral Large 4, a 1 trillion-parameter natively multimodal model with 52 billion active parameters.
Why it matters: The post gives the parameter layout, benchmark scores and the weight-release timing, so readers can judge where an open-weight European model now sits.
Google DeepMind announced Gemini 4 Argon, a frontier model built for deep reasoning across long-horizon workflows.
Why it matters: The post details Argon's internal Google results and its phased rollout through the Fairwind Program, giving a concrete picture of frontier capability and access limits.
H Company released Holo4, a new series of generalist computer-use agent models in two sizes.
Why it matters: The post gives the two model sizes, the interfaces they cover and the OSWorld 2.0 numbers, so readers can weigh a cheaper open-weight computer-use agent against closed frontier models.