Best LLM Observability Tools in 2026
A data-driven comparison of Langfuse, LangSmith, Helicone, Braintrust, and Phoenix - the top LLM observability platforms for teams building AI in production.
Developer tools
Open Source Endowment Fights AI Slop With Permanent Fund
A new 501(c)(3) nonprofit backed by the creators of curl, Vue.js, and HashiCorp is building the world's first permanent endowment for open source as AI-generated junk submissions push maintainers to the breaking point.
Mercury 2 Review: 1,000 Tokens per Second, Tested
Mercury 2 by Inception Labs is the fastest reasoning LLM available, built on diffusion architecture. We tested the speed, quality, and real-world trade-offs.
Mercury 2 Is 13x Faster Than Claude Haiku - Verified
Inception Labs' Mercury 2 hits 1,196 tokens per second in independent testing - a diffusion architecture that rewires how inference works.
Cursor Hits $2B ARR in Record Time - at What Cost
Cursor doubled its annualized revenue to $2 billion in just three months, making it the fastest-growing SaaS company in history. But its dependence on model providers raises hard questions about margins and survival.
Apple's Core AI Will Replace Core ML in iOS 27
Apple plans to unveil Core AI at WWDC 2026, a modernized framework replacing Core ML that opens the door to third-party AI models and MCP integration across its entire ecosystem.
