OpenAI

OpenAI's losses surged to $38.5 billion in 2025, up from $5.09 billion in 2024, as spending hit $34 billion against $13.07 billion in revenue, according to audited financial documents. The massive los…

Andrej Karpathy's open-source 'autoresearch' repo introduces a pattern for structuring AI-agent work that generalizes beyond machine learning. The pattern divides responsibility into a fixed evaluator…

Corgi, a thematic ETF issuer, filed for a MANGOS ETF targeting AI leaders Meta, Anthropic, Nvidia, Google, OpenAI, and SpaceX, aiming to replace FAANG as Wall Street's favorite acronym. The fund would…

OpenAI's 'Practical Guide to Building Agents' has sparked a debate with LangChain CEO Harrison Chase, who called it 'misguided' and published a detailed rebuttal. The conflict highlights a core tensio…

Engineers at Anthropic and OpenAI have articulated the concept of 'loop engineering,' a practice of designing automated systems that prompt AI coding agents on behalf of developers. The approach relie…

Devloop, a new open-source tool, creates an adversarial code/review loop between Codex and Claude Code agents, iterating until all acceptance criteria are met and bugs fixed, aiming to reduce human in…

Developer dmatth1 released quicktok, a fast exact BPE tokenizer written in C++ that runs 2–3.5× faster than bpe-openai and 4–11× faster than tiktoken on CPU. The tokenizer is byte-identical to tiktoke…

A developer released a GPT tool that provides free URLs for AI-generated content, aiming to simplify sharing and access to such materials.…

A developer compares four dominant alignment methods—RLHF, DPO, IPO, and KTO—for fine-tuning large language models, detailing their mathematical formulations, data requirements, and practical tradeoff…

A developer built a multi-provider AI API fallback system after a single-provider outage caused an hour of downtime for their app. The system uses weighted random selection, circuit breakers, and expo…

A developer cut their LLM API costs by over 70% by building a thin proxy layer that routes requests to cheaper models based on complexity, without changing any application code. The proxy, written in …

OpenAI announced it will acquire Ona, integrating its secure cloud execution and orchestration technology into the Codex ecosystem to support long-running agent workflows. Over 5 million people use Co…

Apple unveiled Siri AI, a major overhaul of its voice assistant, as part of iOS 27 on June 8. The new system adds personal context understanding, onscreen awareness, and third-party model extensions, …

The US Commerce Department ordered Anthropic to suspend its Fable 5 and Mythos 5 AI models globally, citing national security after a jailbreak demonstration exposed vulnerabilities. The directive app…

A researcher argues that success in machine learning research depends more on discipline and consistent effort than innate talent, comparing the process to meditation. The author advises beginners to …

A developer argues that agent evaluations must run in CI to block regressions before deployment, not as post-hoc dashboards. The post introduces agent-eval for scoring outputs and AgentLens for execut…

Inithouse, a studio running parallel product experiments, built Be Recommended, a tool that checks brand visibility across AI models like ChatGPT and Perplexity. The team encountered four key technica…

Anthropic's Claude Fable 5 scored 161 on the Epoch Capabilities Index, surpassing OpenAI's GPT-5.5 Pro at 159, with dominant performances in math and software engineering benchmarks. The model achieve…

Seven tech giants, including Amazon, Google, Meta, Microsoft, OpenAI, Oracle, and xAI, signed a voluntary pledge at the White House on March 4, 2026, to fully fund the new electricity generation and g…

The UK Government Cyber Coordination Centre (GC3) uncovered 407 security vulnerabilities across nine government departments' public code repositories through weekly AI-powered hackathons costing just …