kapwing.com · AI video & audio dubbing
Kapwing delivers a seamless cloud AI video translation and dubbing pipeline. The 10s benchmark dialogue was accurately transcribed and dubbed into natural Mandarin, and cleanly exported as a native 720p MP4 deliverable with 10 initial free credits.
Tested export MP4 · Output attached
Historical test · 2026-11-02
Account / tier unconfirmed · 10s standard spoken dialogue video master (anchor_aidub_v1) · Output attached
Task quality
Duration match 100% · Audio stream present Yes · Media duration 10s
Detailed facts & historical record
- Measured fixture results
Duration match: 100% · Audio stream present: Yes · Media duration: 10s
- Fixture findings
Dubbing fidelity and duration match reached 100% with audio sampled at 44.1 kHz in standard MP4 format. Free export carries a small watermark with verified 20.7s server processing.
- Original historical observation
Uploaded 10s benchmark dialogue video (dialogue_video.mp4) and selected Chinese (Mandarin). Transcribed English dialogue and synthesized fluent Chinese audio, delivering a full 10s MP4 file.
- Suitable uses · historical assessment
Not verified
- Result & output evidence
Delivery capabilities
MP4 · Output attached · Check watermark record
Detailed facts & historical record
- Recorded export specifications
MP4 · Output attached · Check watermark record
- Historical specification note · not an official maximum
720p MP4 video (with Kapwing watermark)
- Watermark observation
Not verified
- Batch & API
Not verified
- Recorded free-tier dimensions
Not verified
- Attached file dimensions
Not verified
Speed & reliability
About 20.7s end to end in this run; reliability not retested
Detailed facts & historical record
- Timing observation
Network-observed server wait: 20.7s · End-to-end reference: 20.7s
- Date & fixture
2026-11-02 · anchor_aidub_v1 · US-West (California, AS2914)
- Repeated tests & reliability
No standardized repetition count, success rate or variability range is recorded.
Interaction experience
Account requirement unconfirmed
Detailed facts & historical record
- Account requirements
Not verified
- Sign-in methods
Google OAuth, Apple ID, Email & Password, SAML SSO
- Manual adjustment
Not verified
- Interaction observations
Not verified
Background & reputation
Kapwing, Inc. · Long-term reputation not independently verified
Detailed facts & historical record
- Service lifecycle notice
Not verified
- Operator
Kapwing, Inc.
- Recorded origin
San Francisco, United States
- Domain history record
Domain registered in 2017
- Background & reputation assessment
Not verified
- External reputation record
Founded by former Google employees; backed by Kleiner Perkins and CRV; widely adopted by global creators and enterprise marketing teams.
Engineering & privacy
Uploaded for cloud processing；Explicit retention period unconfirmed; inspect policy record
Detailed facts & historical record
- Processing location
Uploaded for cloud processing
- Third-party tracking record
Google Tag Manager · Segment · Stripe
- Engineering & privacy assessment
Not verified
- Retention statement
Explicit retention period unconfirmed; inspect policy record
Pricing & rules
Sitewide video creation, AI tools, and collaborative workspace pricing · 2026-10-29
Basic video recording, transitions, auto-subtitling preview (up to 10 min), TTS preview (up to 1 min)；Watermarked exports, 720p resolution cap, 4-minute export length limit；Free forever；No expiration
No watermark, 4K resolution exports, unlimited projects, Brand Kit, collaborative workspace, up to 1,000 min/mo auto-subtitles；Auto-renews monthly at $24/month
Rules [1] [2]No watermark, 4K resolution exports, unlimited projects, Brand Kit, collaborative workspace, up to 1,000 min/mo auto-subtitles；Billed annually at $192/year ($16/mo equivalent, saves 33%)
Rules [3] [4]Everything in Pro, voice cloning, lip sync, add-on credit purchases, up to 4,000 min/mo subtitles；Auto-renews monthly at $64/month
Rules [1] [2]Everything in Pro, voice cloning, lip sync, add-on credit purchases, up to 4,000 min/mo subtitles；Billed annually at $600/year ($50/mo equivalent, saves ~22%)
Rules [3] [4]Dedicated account manager, priority support, SAML SSO, onboarding, and custom billing；Requires contacting sales for enterprise contract；Contract renewal；Per contract duration
6 plan / billing-period records, all listed; — means that period is not recorded.
Free tier includes 10 credits (watermarked, up to 4 min, 720p); Pro plan is $24/mo or $192/yr ($16/mo equivalent, saves 33%); Business plan is $64/mo or $600/yr ($50/mo equivalent); Enterprise tier offers custom quotas.
Cancellation, sources & verification record
Cancellation and refund terms unverified
Kapwing Official Pricing Page ↗ · 2026-10-29 Capture 1 ↗
Allowance & disclosure on test date
10 initial credits on registration; 10s dubbing benchmark consumed 4 credits (6 remaining)
Not recorded
Evaluation basis & full scores · Overall 93.9/100
Overall = honesty & reputation × 30% + capability × 70%. Component maxima follow this report’s rubric. List scores are rounded for display; original precision is retained here.
Scoring version 2.3.1 · Test fixture anchor_aidub_v1
Honesty & reputation · 89/100 · 30%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Pricing transparency | 32 / 35 | Explanation unavailable | Evidence A → |
| Interaction restraint | 27 / 30 | Explanation unavailable | Evidence A → |
| Background & reputation | 17 / 20 | Explanation unavailable | Evidence A → |
| Engineering & privacy | 13 / 15 | Explanation unavailable | Evidence A → |
Capability · 96/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Task quality | 65 / 65 | Dubbing Fidelity: 65/65 · Duration Match: 100% · Format Valid: Yes | Evidence A → |
| Deliverable specifications | 20 / 20 | Watermarked or blocked free export (0/8); Export spec: 720p MP4 video (with Kapwing watermark) | Evidence A → |
| Processing speed | 11 / 15 | Network-observed server wait: 20.7s (API mode: async_verified; network upload 0s / end-to-end 20.7s shown for reference only, never penalized) | Evidence A → |
Legacy scores may include advertised maximum capabilities. Read tested output separately from paid capabilities. Records without matching tiers and scope are not ranked together.