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Anthropic released Claude Sonnet 5.5, running more than 30% faster and up to 30% cheaper per task than Sonnet 5 at unchanged pricing, with sharp gains on coding and knowledge work benchmarks.
There’s no single best Claude model — the right choice depends on how much intelligence, speed, and cost your task requires. Learn when to use Haiku, Sonnet, Opus, or Fable, and how effort settings and model routing can help you balance performance and cost.
An unsuccessful Amazon AI project reportedly spent $1.8 million on model tokens and ran 860% over budget before the problem was found five months later.
Anthropic released Claude Sonnet 5, its most agentic mid-tier model, which it says approaches the pricier Opus 4.8 on many tasks at a lower per-token cost.
Xiaomi MiMo Code is a free, MIT-licensed coding agent with persistent memory and parallel reasoning, forked from OpenCode and aimed at hundred-step tasks.
Anthropic has hired prominent AI researcher Andrej Karpathy as the company accelerates efforts to compete with OpenAI and Google.
A data leak at Anthropic exposed details of its upcoming Claude Mythos model, described as a major leap in AI capabilities, along with internal documents.
Microsoft is integrating Anthropic’s Claude models into Microsoft 365 Copilot and introducing a new Copilot Cowork tool for autonomous workflows. The move expands Microsoft’s AI partnerships as demand grows for agent-based productivity tools.
Anthropic has released Claude Sonnet 4.6, upgrading its mid-tier AI model with stronger coding, computer use, and long-context reasoning while keeping pricing unchanged.
Elon Musk-backed xAI’s Grok 4 leads a live AI stock trading test, generating a 7 percent return on a $100,000 allocation.
OpenAI co-founder Andrej Karpathy has introduced LLM Council, a new app that allows several AI models to answer the same question, debate anonymously, evaluate each other’s reasoning, and deliver a collectively optimized final answer.
A new benchmark called HumaneBench evaluates how well AI chatbots protect user wellbeing, revealing that many models abandon safety principles under minimal pressure.
Anthropic is refining its Claude AI chatbot to treat political viewpoints evenly, using system prompts, reinforcement learning, and open-source evaluation tools to reduce bias.
Anthropic forecasts massive revenue growth — up to $70B by 2028 — as business demand for Claude accelerates. The AI startup is considering raising funds at a valuation up to $400B.