OpenAI is an American AI research laboratory founded in 2015, known for creating ChatGPT, the GPT series of large language models, and DALL-E image generators. It is one of the most influential AI companies in the world.
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 …
Developer launches Trace Commons, a community effort to collect coding-agent sessions from tools like Claude Code and Codex under a Creative Commons Attribution 4.0 license, aiming to create an open d…
Boris Cherny, creator of Claude Code at Anthropic, revealed at a private WorkOS event on June 2, 2026, that he no longer prompts Claude directly but instead writes loops that prompt the agent. Peter S…
PostHog and Langfuse lead the cheapest AI observability tools for developers, offering free tiers with up to 100,000 LLM events per month. PostHog integrates AI observability with product analytics an…
SigNoz announced a new integration with the Vercel AI SDK and OpenTelemetry to provide observability for LLM-powered applications, enabling developers to monitor latency, errors, and model behavior in…
SpaceX acquired AI coding startup Anysphere, maker of Cursor, for $60 billion in stock days after its blockbuster IPO, signaling that AI developer tools have become strategic infrastructure. The deal,…
OpenAI's Codex now offers three ways to interact with computers—Computer Use for native apps, Chrome for signed-in sites, and an in-app browser for pages—enabling tasks like getting a refund from Amaz…