TL;DR — which to pick
Pick OpusClip if you're a non-technical creator who wants a polished web UI, you only ever clip YouTube videos, and you don't need programmatic access. Their face tracking and human-in-the-loop editing UX are strong.
Pick ReelsBuilder if you want a self-serve REST API (OpusClip's API access is gated to enterprise), want to autoclip a channel's new uploads on a schedule, or want to post the finished clips to connected social accounts from the same API.
Feature comparison
| Capability | OpusClip | ReelsBuilder |
|---|---|---|
| YouTube → vertical shorts | ✅ Industry-leading | ✅ Clipper API (9:16, 16:9 or 1:1) |
| Face tracking | ✅ Best in class | ✅ Vertical reframing |
| AI moment selection | ✅ "ClipAnything" | ✅ Optional focus and content_purpose hints |
| Burned-in captions | ✅ Multiple styles | ✅ On by default (captions: true | false) |
| Channel autoclipper (newest unclipped upload) | ⚠️ Not via public API | ✅ channel_url mode |
| Public REST API | ⚠️ Enterprise tier only | ✅ Self-serve API keys |
| Job webhooks | ❌ | ❌ Clip jobs are polled via GET /api/v1/jobs/{id} |
| Idempotency keys | ❌ | ✅ |
| Direct social posting | ❌ Export to file only | ✅ POST /api/v1/post, one connected account per call |
| Standalone transcription | ⚠️ Only as part of clipping | ❌ Not available yet |
| Trending topics / proven hooks | ❌ | ✅ Signals API (free reads) |
| Source video formats | YouTube, Zoom, podcasts, file upload | Public YouTube videos and channels |
Pricing comparison
Competitor pricing is best-effort as of 2026-05-15 — check their pricing page for current numbers. ReelsBuilder clips cost $0.40 per delivered clip on the API (prepaid balance), or 1,000 plan tokens per clip in the dashboard.
| Workload | OpusClip | ReelsBuilder |
|---|---|---|
| Free | 60 min source / mo, watermarked, no HD | Fixed starter videos; clips need plan tokens |
| Entry plan | Standard $19/mo (300 min) | Starter $14.99/mo (10,000 tokens ≈ 10 clips) |
| Mid plan | Pro $49/mo (1800 min) | Pro $49.99/mo (40,000 tokens ≈ 40 clips) |
| API access | Enterprise only, contact sales | Self-serve |
OpusClip prices by source minutes; ReelsBuilder prices by clips delivered. The requested maximum is reserved up front and undelivered clips are refunded on completion. Which is cheaper depends on how many clips you take from each source video.
Where OpusClip wins
- UX for solo creators. If a single editor is going to review every clip before posting, OpusClip's timeline editor + brand kit + caption editor is best-in-class. We're a developer API, not a content studio.
- Source breadth. Zoom recordings, podcasts and uploaded files. Our clipper takes public YouTube sources.
- Brand-name recognition. If your stakeholders already know OpusClip, they'll trust the output without explanation.
Where ReelsBuilder wins
- API-first. Self-serve keys, not gated to enterprise. Build clipping into your own product.
- Channel autoclipping. Call the clipper with a
channel_urlon your own schedule; already-clipped uploads are skipped automatically. - Clip, then post. Clip a video, poll the job, then publish each finished clip to a connected TikTok, Instagram, YouTube, Facebook or X account with
POST /api/v1/post. OpusClip stops at export. - Idempotency. Safe retries for automated pipelines.
Migration path from OpusClip
- Get an API key at /api-access.
- Replace your "import from YouTube" UI step with
POST /api/v1/clipper/youtube(docs). - Poll
GET /api/v1/jobs/{job_id}until the job completes; the clips are indata.job.artifacts.videoUrls. - Optionally publish each clip with
POST /api/v1/post(docs) — one call per connected account.
See also
- YouTube Clipper API reference
- ReelsBuilder vs Klap — the other major clipper alternative
- All comparisons