Compare AI tools

	Stable Audio A	Symphony A	Descript S	GitHub Copilot B
Tagline	Stability AI's open audio model. Loops + SFX + background.	OpenAI's open-source daemon that turns your Linear board into an always-on coding agent factory — tickets go in, pull requests come out.	Edit video + podcasts by editing the transcript.	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Category	Audio	Agents	Video	Coding
Pricing	Free + $12/mo Pro + enterprise	Free (open-source)	Free + $16-$50/mo	Free (limited) + $10/mo Pro + $19/mo Business
Best for	Game developers, podcasters needing SFX, video creators needing background music.	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.	Podcasters, course creators, anyone editing talking-head content.	Teams with GitHub already. Devs who don't want to change IDEs.
Strengths	Open-weight model available Great for loops + game audio + SFX Commercial-use clarity	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	Edit audio/video by deleting text Overdub (voice clone) for fixes Strong collaboration + remote recording	Great enterprise story Works in your existing IDE Chat + autocomplete
Weaknesses	Not for full songs with vocals Shorter generation limits	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	Not a traditional NLE — some workflows awkward Overdub ethics require care	Less agentic than Cursor/Claude Code Model quality varies
Kai's verdict	A-tier for its niche. Different use case than Suno — SFX and loops, not songs.	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.)	S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing.	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
Link	Open →	Open →	Open →	Open →