Compare AI tools

	GitHub Copilot B	OpenAI Voice / Realtime S	Genspark A	Windsurf A
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	ChatGPT's voice + the Realtime API for developers.	AI agent for deep search. Generates Sparkpages — full mini-reports.	Codeium's agentic IDE. Cascade agent + strong free tier.
Category	Coding	Voice	Research	Coding
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Voice included with ChatGPT Plus; Realtime API by usage	Free + $25/mo Plus	Free + $15/mo Pro
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Voice chat users, developers building voice agents on OpenAI.	Travel planning, shopping comparisons, deep research where you want an artifact back.	Developers who want Cursor-like power for less money.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	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	Cheaper than Cursor Cascade agent for multi-file tasks Solid free tier
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Pricey for production apps Less voice variety than ElevenLabs Platform lock-in	Early-stage — rough edges Less reliable than Perplexity for simple questions	Smaller community Model selection more limited
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	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.	A-tier. Close second to Cursor. If $5/mo matters, start here.
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