Compare AI tools

	Windsurf A	Claude Code S	OpenAI Voice / Realtime S	Genspark A
Tagline	Codeium's agentic IDE. Cascade agent + strong free tier.	Anthropic's CLI agent. Opus-powered, operates on your repo directly.	ChatGPT's voice + the Realtime API for developers.	AI agent for deep search. Generates Sparkpages — full mini-reports.
Category	coding	coding	voice	research
Pricing	Free + $15/mo Pro	Part of Claude Pro/Max/Team plans	Voice included with ChatGPT Plus; Realtime API by usage	Free + $25/mo Plus
Best for	Developers who want Cursor-like power for less money.	Developers who want an agent, not autocomplete. Large refactors, tests, docs.	Voice chat users, developers building voice agents on OpenAI.	Travel planning, shopping comparisons, deep research where you want an artifact back.
Strengths	Cheaper than Cursor Cascade agent for multi-file tasks Solid free tier	Runs locally, edits your actual files Strong on large codebases with 1M context Great at multi-step tasks	Advanced Voice Mode feels genuinely conversational Realtime API enables true two-way voice apps Built into ChatGPT	Sparkpages = curated multi-source mini-articles Agent can book, compare, shop Autopilot agent for long tasks
Weaknesses	Smaller community Model selection more limited	Terminal-based — learning curve Can't be used without Claude subscription	Pricey for production apps Less voice variety than ElevenLabs Platform lock-in	Early-stage — rough edges Less reliable than Perplexity for simple questions
Kai's verdict	A-tier. Close second to Cursor. If $5/mo matters, start here.	S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.	S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.	A-tier. Bet on this one — the Sparkpage format is genuinely new.
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