OpenAI's Decisions API Is Now Live for Everyone — and It Was Built to Catch a Startup
We test the top AI tools for writing, video, images & music — so you don't have to.
Explore AI Tools
1. Cursor — the AI-native editor
Cursor is what you get when an editor is built around AI instead of bolting it on: an Agent Mode that edits across multiple files, indexes your whole codebase, and plans multi-step changes. It has a free Hobby tier, and Pro is $20 a month — but billing is usage-based, so heavy agent users can burn through their monthly allowance fast. If you want the full agentic coding experience inside your editor, this is the benchmark. For a deeper head-to-head, see our Cursor vs GitHub Copilot comparison
2. GitHub Copilot — the safe default
Copilot works in almost every IDE you already use, plugs deep into GitHub with pull-request reviews and coding agents, and now lets you pick between Claude, GPT, and Gemini models. There's a free tier, Pro is $10 a month, and Pro+ is $39 — but note that June 2026 switched chat and agent use to a token-based credit pool, so heavy users should budget carefully. Best pick if you're a beginner or already live inside VS Code or JetBrains.
3. Windsurf (now Devin Desktop) — no billing surprises
Windsurf's Cascade agent plans and executes multi-file changes with terminal access, and its Pro plan at $20 a month uses predictable quotas instead of usage-based billing — a relief after stories of surprise AI bills. The free tier is generous too. One thing to know: Cognition AI acquired it in June 2026 and renamed it Devin Desktop, so its roadmap is in new hands.
4. Codeium — the free-autocomplete pick, with a caveat
Codeium made its name on genuinely free, unlimited autocomplete in 70+ languages inside any IDE. The honest update: the company became Windsurf, so the old Codeium extension is now the Windsurf Plugin — still installable and maintained, but it's not getting new models or features. Great free pick for students on zero budget; everyone else should look at Windsurf itself.
5. Tabnine — the privacy pick for enterprises
Tabnine is the coding AI for teams that can't let code leave the building: it runs on your own servers or air-gapped, with zero code retention and SOC 2 and GDPR compliance. There is no free tier anymore (the free plan ended in April 2025), and the enterprise platform starts around $39 per user a month. The choice for banks, hospitals, and defense contractors — overkill for hobbyists.
6. Claude Code — the terminal-native agent
Anthropic's command-line agent is superb at understanding big codebases and doing careful refactors — it feels less like autocomplete and more like a senior engineer looking over your shoulder. It runs through your Claude subscription (Pro from $20 a month), which is a bargain if you already pay for Claude. Best for developers who live in the terminal. It's part of the same wave as proactive AI agents like Claude Duet.
7. Replit Agent — idea to deployed app in one tab
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