Compare AI tools

	GitHub Copilot B	Claude Code S	Kling A	Claude Agent SDK S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	Anthropic's CLI agent. Opus-powered, operates on your repo directly.	Kuaishou's video model. The surprise standout.	Anthropic's SDK for building your own agents on Claude.
Category	coding	coding	video	agents
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Part of Claude Pro/Max/Team plans	Credit-based, free trial	API usage + SDK is free
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Developers who want an agent, not autocomplete. Large refactors, tests, docs.	Anyone who wants top-tier video quality for less.	Developers building custom agents for their own company/product.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Runs locally, edits your actual files Strong on large codebases with 1M context Great at multi-step tasks	Very strong motion + physics Often beats Runway on realism Great price	Production-grade agent primitives Built on Claude (best reasoning) Full control — build exactly what you need
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Terminal-based — learning curve Can't be used without Claude subscription	UX is rough for English speakers Queue times	Developer-only You build the UI
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.	A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.	S-tier for builders. The right primitives. What Kai is built on under the hood.
Link	Open →	Open →	Open →	Open →