Compare AI tools

	GitHub Copilot B	Symphony A	Google Veo A	Perplexity S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	OpenAI's open-source daemon that turns your Linear board into an always-on coding agent factory — tickets go in, pull requests come out.	Google's video model. Baked into Gemini + YouTube Shorts.	AI search done right. Cited answers, not chat theater.
Category	Coding	Agents	Video	Research
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free (open-source)	Included with Gemini Advanced $20/mo + YouTube creator tools	Free + $20/mo Pro
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Engineering teams already using Linear + OpenAI Codex who want to stop babysitting agent sessions and instead let the issue tracker drive autonomous coding at scale.	Gemini Advanced users, YouTube Shorts creators.	Replacing Google for any question where you want a cited answer in seconds.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Fully autonomous ticket-to-PR pipeline: every open Linear issue gets its own isolated Codex agent without manual supervision Fault-tolerant Elixir/OTP architecture automatically restarts crashed agents and manages hundreds of concurrent runs WORKFLOW.md keeps all orchestration policy version-controlled inside the repo, so agent behavior is reproducible and reviewable like code Proven internal results: OpenAI reported a 500% increase in landed PRs on some teams within three weeks Open spec encourages community re-implementations in any language, not just Elixir	Included with Gemini Advanced YouTube Shorts native integration Strong prompt understanding	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Currently only supports Linear as an issue tracker — GitHub Issues and Jira integrations are not yet official Only OpenAI Codex is officially supported as the agent runtime; other model integrations are community-contributed and incomplete Self-hosted, Elixir-dependent engineering preview with no built-in sandboxing — not suitable for untrusted or production environments out of the box	Still catching up on quality vs Kling/Runway Less control than pros need	Not a general chatbot Answers can be shallow on complex topics
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	Symphony is the most architecturally serious 'issue tracker as control plane' approach yet — 15K GitHub stars in weeks confirms the idea resonates — but it's still a rough, self-hosted engineering preview that demands Elixir chops and a Linear-only workflow. (Verdict pending Phi's full review.)	A-tier if you already pay Gemini. B-tier standalone.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
Link	Open →	Open →	Open →	Open →