OpenAI Reviews

CodeCrafters Reviews

OpenAI mentions (398)

• How to track LLM costs per customer in production

  Provider-side metadata. Both major providers expose per-user tagging. OpenAI accepts a user parameter on the Chat Completions and Responses APIs, and the OpenAI Usage API (launched December 2024) supports group_by=user_id for programmatic per-user cost breakdown. The Costs endpoint requires an admin key. Anthropic accepts metadata.user_id on every API request, capped at 256 characters and explicitly not for PII.... - Source: dev.to / about 1 month ago

• How I Run 3 Production AI SaaS on $5/Month of Hosting

  For solo founders who don't run their own gateway: use Claude direct for highest quality, OpenAI for proven reliability, or wire up multi-provider routing via something like Prism (or build your own — see Prism's architecture once it's published). - Source: dev.to / about 2 months ago

• Cursor Just Released Composer 2.5. Here's What Actually Changed for AI Coding Agents.

  Composer 2 originally gained attention because Cursor delivered strong coding performance at dramatically lower token costs than frontier proprietary models. Cursor positioned it as a cheaper alternative to systems from Anthropic and OpenAI. (Cursor). - Source: dev.to / about 2 months ago

• The Text Field is the New Dashboard

  The most extreme case arrived in April 2026. In 2024, OpenAI CEO Sam Altman predicted that a one-person billion-dollar company "would have been unimaginable without A.I., and now it will happen." He maintained a betting pool with fellow tech CEOs over when it would arrive. In April 2026, he emailed the New York Times claiming he won the bet and that he "would like to meet the guy.". - Source: dev.to / 2 months ago

• What the F*ck Are We Even Measuring? The Definition Problem in AI Evals

  Everyone sees what they want in their benchmarks. OpenAI sees reasoning capability. Anthropic sees safety and helpfulness. Google sees multimodal understanding. The academic community sees generalization. Same numbers, completely different conclusions. - Source: dev.to / 2 months ago

CodeCrafters mentions (9)

• Ask HN: What skills do you want to develop or improve in 2026?

  I had a lot of with Code Crafters. It's a paid platform, but they give you a basic walk through of different technologies, with full test suites. For example, you implement some basic Redis. It doesn't spoon feed you what to do, but breaks it down into manageable chunks. https://codecrafters.io/. - Source: Hacker News / 7 months ago

• Learning Go the Hard Way

  To make this happen, I'm starting with the Shell Challenge at CodeCrafters.io. - Source: dev.to / 7 months ago

• Build your own shell : Codecrafters Edition

  Have you ever thought of building your own shell — or anything you use in your daily tasks? It could be an IDE, a simple database, or even a text editor. In this blog, I’ll walk you through the exciting journey of building a shell using the Codecrafters platform. I’ll share why the experience is amazing and why you should absolutely give it a try! - Source: dev.to / about 1 year ago

• Long weekends and short updates

  This is where today's quick tip comes into play. Do you know Codecrafters.io? If you don't, let's remedy that now! It's a platform that monthly proposes building projects of different complexity, guiding you step by step in studying and developing. Some of the latest projects include reproducing your own version of Git, Redis, BitTorrent, or your Interpreter. - Source: dev.to / over 1 year ago

• Stop Re-Implementing Code: Use Extract Method in Rust

  I recently started learning Rust using the awesome CodeCrafters website. - Source: dev.to / over 1 year ago