8 editors tested · one source file · same machine

The AI Video Editor Tax

Zero cleanup. Publish-ready on the first pass.
Every other AI editor hands back the filler and dead air it missed — and you pay in manual cleanup. We ran eight of them through identical footage to prove the difference.

Faster to
publish
5.5×
vs other editors
1-hour footage
Cleanup
per clip
0 min
TimeBolt
90-second clip
Bad-take
accuracy
90.6%
F1 score
scripted video

8 editors tested · identical footage · raw SRT/JSON published

The hidden cost

AI editing isn’t free. You pay in cleanup.

Transcript editors cut from text, not sound, so they miss cuts. Every miss is a manual fix on your timeline. Here is what that costs on one hour of footage:

Minutes spent fixing the AI’s misses

1 hour of footage · default automation · verified by JSON
TIMEBOLT ⚡ 0 min
Descript 52 min
CapCut 60 min
Premiere 66 min
Gling 174 min
Loom Can’t fix

Loom has no timeline editor — the 448–684 filler words and up to 229s of dead air the others leave behind, Loom ships in your final video.

0
Missed cuts
0 min
Cleanup, first pass to publish-ready
5.5×
Faster to publish than transcript editors

Every number above comes from a published test — see the full data →

The full data

Every test. Every number.

Identical footage, default settings, no manual edits. Raw data published for each test.

01Short-form · 90-second clip

90 seconds of raw footage

A 93-second clip full of pauses and filler. Tighter output means less hand-fixing. TimeBolt cut it to 14 seconds, clean.

ToolOutputSilence missedFillers missedCleanup time
TimeBolt14s0s00 min
Recut19s6 wordsmanual*
Gling21s16s13 words≈10.7 min
Descript22s15s11 words≈4–5 min
Premiere37s13s15 words~1.7 min
CapCut41s15s10 words~1.9 min
Loom65s36s4 wordsCan’t fix

*Recut leaves 6 fillers to cut by hand. BlitzCut (iOS-only) only “matches” by over-cutting real speech, and fails on anything over ~15 min. Loom can’t fix its misses at all.

Tightest cut, zero cleanup. Recut got to 19s but left 6 fillers to find by hand; Loom left 65s with no way to fix it.
02Long-form · 1-hour recording

One hour of raw footage

On an hour of footage, small misses become hours of repair — total time to a publish-ready cut. TimeBolt finished in 40 minutes, no rework.

ToolSilence missedFillers missedReview (min)Fix (min)Total time to fix
TimeBolt0s040.00.040.0 min
Recut934~4831–47~79–95 min*
Descript171s44847.952.099.9 min
CapCut229s48946.759.8106.5 min
Premiere103s68448.865.6114.4 min
Gling70s60746.3174.4220.7 min
BlitzCutFailed 3×
Loom57.8Not ableCan’t fix

Total = review + repair. *Recut estimate: ~48 min to find all 934 fillers + ~31–47 min to cut them in an NLE at 2–3s each. BlitzCut froze at 95% three times. Loom left 15:30 of waste it can’t remove.

17:03 of waste caught by TimeBolt in the hour — ~6× more than Loom. Their misses become your cleanup.
TimeBolt: 40 minutes, hands-off. Recut’s “4-second” processing is the trap — no fillers removed means ~80–95 min cutting 934 by hand. The AI editors ran 100–221 min.
03Scripted · bad-take removal

Cutting retakes without cutting meaning

The hardest job in auto-editing: kill the restarts, keep every real word. Scored on four scripted datasets. Only TimeBolt, Gling and Descript can do it at all.

ToolSafety scoreCleanliness scoreF1 score (overall)
TimeBolt96.8%85.5%90.6%
Gling96.7%77.5%85.4%
Descript97.1%71.4%80.4%

Safety = keeps real words (recall). Cleanliness = removes redundant takes (precision). F1 balances both. The other five tools can’t detect bad takes.

Safety’s a tie. The gap is cleanliness: TimeBolt left 14.5% redundancy vs Descript’s 28.6%~97% more to delete by hand. On the retake-heavy clip: TimeBolt left 43 junk words, Descript 378.

The full data

Every test. Every number.

Identical footage, default settings, no manual edits. Raw data published for each test.

01Short-form · 90-second clip

90 seconds of raw footage

A 93-second clip full of pauses and filler. Tighter output means less hand-fixing. TimeBolt cut it to 14 seconds, clean.

ToolOutputSilence missedFillers missedCleanup time
TimeBolt14s0s00 min
Recut19s6 wordsmanual*
Gling21s16s13 words≈10.7 min
Descript22s15s11 words≈4–5 min
Premiere37s13s15 words~1.7 min
CapCut41s15s10 words~1.9 min
Loom65s36s4 wordsCan’t fix

*Recut leaves 6 fillers to cut by hand. BlitzCut (iOS-only) only “matches” by over-cutting real speech, and fails on anything over ~15 min. Loom can’t fix its misses at all.

Tightest cut, zero cleanup. Recut got to 19s but left 6 fillers to find by hand; Loom left 65s with no way to fix it.
02Long-form · 1-hour recording

One hour of raw footage

On an hour of footage, small misses become hours of repair — total time to a publish-ready cut. TimeBolt finished in 40 minutes, no rework.

ToolSilence missedFillers missedReview (min)Fix (min)Total time to fix
TimeBolt0s040.00.040.0 min
Recut934~4831–47~79–95 min*
Descript171s44847.952.099.9 min
CapCut229s48946.759.8106.5 min
Premiere103s68448.865.6114.4 min
Gling70s60746.3174.4220.7 min
BlitzCutFailed 3×
Loom57.8Not ableCan’t fix

Total = review + repair. *Recut estimate: ~48 min to find all 934 fillers + ~31–47 min to cut them in an NLE at 2–3s each. BlitzCut froze at 95% three times. Loom left 15:30 of waste it can’t remove.

17:03 of waste caught by TimeBolt in the hour — ~6× more than Loom. Their misses become your cleanup.
TimeBolt: 40 minutes, hands-off. Recut’s “4-second” processing is the trap — no fillers removed means ~80–95 min cutting 934 by hand. The AI editors ran 100–221 min.
03Scripted · bad-take removal

Cutting retakes without cutting meaning

The hardest job in auto-editing: kill the restarts, keep every real word. Scored on four scripted datasets. Only TimeBolt, Gling and Descript can do it at all.

ToolSafety scoreCleanliness scoreF1 score (overall)
TimeBolt96.8%85.5%90.6%
Gling96.7%77.5%85.4%
Descript97.1%71.4%80.4%

Safety = keeps real words (recall). Cleanliness = removes redundant takes (precision). F1 balances both. The other five tools can’t detect bad takes.

Safety’s a tie. The gap is cleanliness: TimeBolt left 14.5% redundancy vs Descript’s 28.6%~97% more to delete by hand. On the retake-heavy clip: TimeBolt left 43 junk words, Descript 378.

Stop hand-fixing what the AI missed. Let TimeBolt finish the job.

Mac & Windows · Free to download · No credit card

Download TimeBolt

Why it works

Transcript tools guess. Silence tools stop short. TimeBolt does both.

Transcript tools cut from text tokens and drift — clipping words, leaving gaps. Silence-only tools like Recut read the waveform but stop at silence, leaving every filler (934 in our hour test). TimeBolt reads the waveform and layers filler and bad-take detection on the same signal — both jobs, no guessing.

KEPT AUDIO LEFT PADDING0.01s RIGHT PADDING0.15s Cut boundaries Detected audio
Cut boundaries on the waveform itself — padding tuned to the millisecond. Silence is flat; speech is the spikes you keep.

Why waveform cuts win

  • Waveforms are a physical signal. Like GPS, nothing is more accurate.
  • Straight to the audio — no drift, no low-confidence guesses.
  • The boundary is unambiguous: silence ends where the signal rises.
  • You set the padding, so the cadence stays natural, not robotic.

See it in action

When YouTuber Excelerator hit the bad-data wall in Descript, the waveform was the fix.

And when you want AI on top

UMCheck adds token-awareness as an optional, on-device layer — catch a specific “you know” on command. The waveform still dictates the cut. AI on top, signal underneath.

How we tested

Run it yourself. We published everything.

Identical files, default automation, no manual edits — every result re-verified from raw JSON. Reproduce any number here.

How every test was run

The same raw file through every editor — same machine, same recording.
Top-tier paid plans only, on native desktop installs.
Default automation settings — dead-air and filler removal. No manual edits.
Each output re-measured in TimeBolt’s reverse-timeline to count what’s left behind.
Bad takes scored by word-level accuracy vs human ground truth.
Raw files, settings and JSON published for every test.

The published studies

Different results? We want to see them. Download the files and run it yourself.

After automation

The heavy lifting is done. Polishing is just as fast.

The benchmarks are what TimeBolt does before you touch the timeline. When you do want to polish, four power keys — USOB — let you edit at the speed of playback.

Preview speed
while you cut
2–3×
Faster than read-
and-click text
0
Trips to the
mouse
U UnwindRecover frames
TimeBolt Unwind power key in the timeline editor

Roll a cut back to recover frames — no re-trimming.

S SplitCut at the playhead
TimeBolt Split power key in the timeline editor

Slice at the playhead in one keystroke.

O On / OffToggle a scene
TimeBolt On/Off power key in the timeline editor

Drop a scene out, or back in, instantly.

B BackcutTrim backward
TimeBolt Backcut power key in the timeline editor

Trim backward without leaving the keyboard.

Stop paying the AI editor tax.

A publish-ready cut on the first pass — zero cleanup, on Mac or Windows.

Download TimeBolt

Mac & Windows · Free to download · No credit card required

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