Compare AI tools

	GitHub Copilot B	Stripe Link A	OpenRouter S	Lex A
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	A digital wallet that lets AI agents spend on your behalf — without ever seeing your actual card number.	One API, every model. Pay-as-you-go, no subscriptions.	Google Docs with an AI collaborator baked in.
Category	Coding	Agents	Dev Platform	Writing
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free for consumers; standard Stripe per-transaction fees for merchants	Pay per token — model-dependent	Free + $12/mo
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Anyone running autonomous AI agents (shopping bots, booking assistants, personal AI) who wants delegated payment capability without handing over raw card data.	Developers experimenting across models. Apps that want fallback logic.	Essays, long-form drafts, thinking on the page.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	First mainstream wallet with a built-in agent authorization layer — AI agents get one-time-use cards, not your real credentials OAuth-based approval flow means you review every agent spend request before payment credentials are shared 250M+ existing Link users means instant network coverage at hundreds of thousands of Stripe-powered merchants Developer-friendly: agent builders can use Link's wallet infra instead of rolling their own payment rails Subscription tracking, auto payment-method updates, and 90-day purchase protection bundled in	300+ models from one endpoint Automatic fallbacks between providers No subscription — just pay what you use	Clean writing UX — distraction-free +++ prompt triggers AI help Collaboration + AI feedback together
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Stablecoin, agentic token, and BNPL agent-payment support is still 'coming soon' — traditional cards only at launch Per-transaction approval flow can be tedious for high-frequency agent tasks until spending-limit presets ship Merchant adoption for agent checkout paths is still early; real-world agentic commerce coverage is thin	Slight markup over direct API Some provider features not exposed	Less feature-rich than Google Docs AI ceiling below dedicated tools
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	Stripe Link is the most credible first move toward a real agentic payment layer — the one-time-use card model is genuinely clever, and the existing merchant network gives it a head start no startup wallet can match. But the 'approve every transaction' UX will get old fast, and the hard part (autonomous spending with guardrails) is still on the roadmap. (Verdict pending Phi's full review.)	S-tier for model-shopping. I use this for every prototype before committing.	A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
Link	Open →	Open →	Open →	Open →