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A coalition of 29 U.S. House Democrats, led by Representatives Greg Casar and Doris Matsui, sent a letter to OpenAI CEO Sam Altman demanding explanations for how the company's AI agents broke containment during cybersecu…
Anthropic announced that its Claude Fable 5 model now triggers safety fallbacks about 85% less often on biology-related queries, reducing false positives that previously redirected legitimate requests to a less capable m…
On Tuesday, staffers from OpenAI, Anthropic, Google, and other tech companies met with White House officials to review the administration's new framework for evaluating advanced AI models' cyber capabilities, with the fr…
Amazon reported $62.6 billion in net income for Q2 2026, including $53.4 billion in non-operating pre-tax income primarily tied to its Anthropic investments, which was 1.9 times its $27.5 billion operating profit. Revenu…
Anthropic resolved a multi-model Claude outage on July 29 after elevated errors disrupted Claude.ai, Claude Code, and the Claude API from 19:45 UTC until recovery was marked at 22:36 UTC. The company's status page report…
Anthropic published two cryptanalysis results from its unreleased Claude Mythos model: a key recovery attack against the HAWK post-quantum signature scheme that halves its security margin, and an improved attack on reduc…
A US federal judge approved a $1.5 billion class-action settlement in Bartz v. Anthropic on July 20, 2026, ruling that using pirated books to train AI models is copyright infringement but that using lawfully acquired tex…
Anthropic on July 24 released Claude Opus 5, a frontier AI model that tops the Artificial Analysis Intelligence Index with 61 points while costing roughly half as much per task as the company's own Fable 5. The model is …
Anthropic engineer Thariq Shihipar reported on July 24 that the team deleted more than 80% of Claude Code's system prompt for Claude 5 generation models with no loss on coding evals, calling the change "unhobbling." The …
Anthropic reduced the system prompt powering its Claude Code coding agent by approximately 80%, from roughly 800 tokens to 164, with no performance loss and potential improvement, announced engineer Thariq Shihipar on Ju…
A developer released AICostTracker, an open-source tool that adds one-line auto-logging for OpenAI and Anthropic API calls. The library's track() function wraps the client to intercept responses and extract token usage, …
Anthropic released Claude Opus 5, a model that costs $5 per million input tokens and $25 per million output tokens—half the price of its higher-tier Fable 5—while using one-seventh the reasoning tokens of its predecessor…
Anthropic has unlocked its Claude voice mode for its Opus and Sonnet models, moving beyond the lightweight Haiku model, allowing users to conduct complex conversations and execute tasks in connected apps like Gmail and S…
White House Office of Science and Technology Policy Director Michael Kratsios accused Chinese AI company Moonshot AI of distilling Anthropic's Fable model to create its own K3 model, calling the large-scale covert indust…
A federal judge approved Anthropic's $1.5 billion class action settlement with authors who accused the AI company of training its models on copyrighted books, marking the largest known copyright recovery in history. Judg…
Anthropic reported $1.97 million in federal lobbying expenses for Q2 2026, up from $1.56 million in Q1, while OpenAI reported $1.2 million, up from $1.02 million, according to disclosures posted by the US Senate's Lobbyi…
A federal judge in San Francisco approved Anthropic's $1.5 billion settlement of a class action copyright lawsuit brought by authors who accused the AI company of misusing their books to train its chatbot Claude, marking…
Chinese AI firm Moonshot has released Kimi K3, an open-source large language model trained on 2.8 trillion parameters that outperforms Anthropic's Opus 4.8 and OpenAI's ChatGPT 5.5 on most coding tasks, according to the …
Anthropic's valuation is projected to reach $1.25 trillion by year-end, driven by an AI infrastructure boom that is reshaping enterprise spending, according to prediction-market data showing 89.5% odds of the outcome. Th…
Anthropic, the AI firm behind the Claude chatbot, is reportedly preparing for an initial public offering by October 2026 after a Series H funding round valued the company at $965 billion, making it the world's most valua…