Best AI Subtitle Generator in 2026: 6 Tools Compared

June 21, 2026 · Updated November 5, 2026 · 10 min read

There's no single best AI subtitle generator — the right one depends on what you do after the words are transcribed. Descript suits people who edit video by editing text, VEED suits social clips where caption styling is the look, Kapwing suits anyone who wants a flat monthly minutes allowance instead of per-second billing, Submagic suits short-form creators who want animated caption templates without an editor, Otter suits meeting transcripts (subtitle files start on its Business plan), and AI Growth Kit suits a few short clips a month, subtitled or translated, with no subscription. Prices and limits for Otter, Descript, VEED and AI Growth Kit were checked on September 30, 2026; Kapwing and Submagic were checked on November 5, 2026.

The short answer

• Pick Descript if you edit podcasts or videos and want clean SRT/VTT files: fix a word in the transcript and the caption follows.
• Pick VEED if styled, animated captions on social clips matter more than anything else.
• Pick Otter only if you're really transcribing meetings or interviews — its cheaper plans export audio and text, not subtitle files.
• Pick Kapwing if you want a flat monthly minutes allowance instead of metered billing, and a real editor alongside the captions.
• Pick Submagic if you post a handful of short-form videos a month and want animated, templated captions without touching a timeline.
• Pick AI Growth Kit if you need a couple of short clips subtitled — or subtitled in another language — and burned in, without a subscription. It has no caption editor and no styling controls.

Subtitle generator comparison table (September 30, 2026)

USD prices from each vendor's pricing page on September 30, 2026. Otter and VEED charge per user, and VEED shows local-currency prices where available. AI Growth Kit figures come from our pricing page. Plans change often — check before you buy.

What a minute costs on AI Growth Kit

The others sell monthly allowances; AI Growth Kit charges per second — 2 credits per second of video, or 120 credits a minute, whether or not you translate. What a minute costs depends on how you buy credits:

• Starter Pack ($9 for 200 credits): $5.40 per minute
• Pro Pack ($29 for 750 credits): $4.64 per minute
• Power Pack ($59 for 1,800 credits): $3.93 per minute
• Starter plan ($19 a month for 600 credits): $3.80 per minute
• Pro plan ($49 a month for 2,000 credits): $2.94 per minute

That makes it the expensive choice for volume. Ten minutes of subtitles a month is 1,200 credits — twice the Starter plan's allowance — while the entry-level plans above that export subtitle files cover ten minutes for $12–$30 a month. It's reasonable for the occasional short clip: a single $9 pack covers 100 seconds, with no subscription.

Otter.ai

Otter is built around meeting and interview transcripts rather than video. For subtitles it's the weakest fit: on the Basic and Pro plans, exports are MP3 and TXT only. SRT (along with PDF and DOCX) comes with Business at $19.99 per user a month billed yearly, or $30 monthly. Every export is an audio or text file, so there are no burned-in captions.

• Languages: English, Spanish, French, German, Japanese and Chinese.
• Limits: Basic is free with 300 minutes a month, 30 minutes per conversation and 3 imported files in total. Pro raises that to 1,200 minutes, 90 minutes per conversation and 10 imports a month. Business is unlimited, up to 4 hours per conversation.
• Best for: meeting notes and interview transcripts, not subtitles.

Descript

Descript is a video and podcast editor built on text-based editing: you edit the transcript to edit the recording. Subtitles come from that same transcript, so fixing a misheard name fixes the caption too.

• Export: open captions burned into the video, or SRT/VTT files with settings for maximum characters per line, lines on screen and speaker labels.
• Styling: fonts, colors, sizes, backgrounds and placement, including for vertical video.
• Languages: transcription in 25 languages — mostly European, plus Hindi, Malay and Turkish. Chinese, Japanese, Korean, Arabic and Russian are not on the list. Caption translation covers 61 languages.
• Pricing: Free (60 media minutes a month, watermarked 720p exports); Hobbyist $16 a month billed yearly or $24 monthly (10 hours); Creator $24 or $35 (30 hours); Business $50 or $65 (40 hours).

VEED

VEED is a browser editor whose subtitle tool is built for social video: choose a style, font, colors, background and animation, or use dynamic subtitles that emphasize words as they're spoken. You can click any line to correct it before export.

• Export: hardcoded into the video, or SRT, VTT and TXT files. Downloading subtitle files requires a paid plan.
• Limits: unlimited subtitles on paid plans under a 50-hours-a-month fair-use limit. Translation is metered in minutes against your plan's allowance — a 30-minute video translated into two languages uses 60 minutes.
• Languages: VEED says 125+ languages for transcription and translation; subtitle translation (“Translate to 50+ Languages”) is listed on the Pro and Studio plans.
• Pricing: Creator $12, Pro $22 and Studio $39 per user a month billed yearly; paying monthly costs more (VEED advertises savings of up to 51% for yearly billing). The free plan adds a watermark.

Kapwing

Kapwing is a browser video editor whose auto-subtitle allowance is a flat number of minutes a month rather than metered billing. Click any caption line to correct it before export, and the same editor handles trimming and a multi-track timeline if you need more than subtitles.

• Export: hardcoded captions, or SRT and VTT files, plus a plain transcript download.
• Limits: Free gives 10 minutes of auto-subtitles a month, watermarked exports capped at 4 minutes long and 720p, with a 30-minute total monthly export cap and 5 GB storage. Pro raises the subtitle allowance to 1,000 minutes a month; Business to 4,000; Enterprise is custom.
• Languages: Kapwing's subtitle translator covers 100+ languages.
• Pricing: Free $0; Pro $16 a month billed yearly ($24 month-to-month); Business $50 a month billed yearly ($64 month-to-month); Enterprise by quote.

Submagic

Submagic is built for short-form video: animated, word-by-word caption templates you apply in a couple of clicks, not a general editor. It has no ongoing free plan — every tier is a paid monthly video allowance.

• Export: styled, animated caption templates burned into the video, plus SRT/VTT caption files.
• Limits: Starter allows 15 videos a month, each up to 2 minutes; Pro 40 videos up to 5 minutes; Business up to 100 videos up to 30 minutes.
• Pricing: Starter $19 a month ($12 billed yearly, $144/year); Pro $39 ($23 billed yearly, $276/year); Business $69 ($41 billed yearly, $492/year). Billed monthly and using the full allowance, that works out to about $1.27 a video on Starter, $0.98 on Pro and $0.69 on Business — $0.80, $0.58 and $0.41 a video billed yearly.

AI Growth Kit

Our Subtitler is a single-purpose tool, not an editor. You upload a video (MP4, MOV or WebM, up to 30 minutes), choose the spoken language, optionally a language to translate the subtitles into, and get the video back with the subtitles burned in. For an editable SRT, use Whisper (below) — it's free. The form shows the exact credit cost before you submit, and credits are refunded if the job fails.

• Languages: 20 options — English (US, UK), Chinese (Mandarin, Cantonese), Spanish (Spain, Latin America), Portuguese (Brazil, Portugal), French, German, Italian, Japanese, Korean, Russian, Arabic, Hindi, Indonesian, Vietnamese, Thai and Turkish. Translation goes into any of the other options.
• What it doesn't do: no caption editor; no font, size, color or position controls; no speaker labels; no separate SRT download yet; one translation language per job. If you need to correct words, make the SRT with Whisper, fix it, and burn it in yourself.
• Pricing: 2 credits per second — $2.94 to $5.40 per minute depending on how you buy credits.

How to test accuracy yourself

Vendors quote best-case accuracy on clean audio — VEED advertises “up to 99.9%”. Your own footage is the only test that counts, and this method works for any tool:

1. Pick three 60-second clips that look like your real content: clean speech, speech over music or noise, and one full of names, jargon or accents.
2. Write a reference transcript by hand for each. It's tedious, but it's your ground truth.
3. Run every tool on the same files and export plain text, or strip the timecodes out of the SRT.
4. Normalize both texts the same way (lowercase, no punctuation) and compute the word error rate: substitutions + deletions + insertions, divided by the number of words in the reference. In Python: pip install jiwer, then jiwer.wer(reference, hypothesis). Chinese, Japanese and Thai don't put spaces between words, so use the character error rate (jiwer.cer) for those.
5. Count critical errors separately: product and people names, numbers, and negations (“can” vs “can't”). One wrong brand name costs more than five dropped fillers.
6. Spot-check timing: jump to ten random lines and note any that appear late or linger after the speaker stops.
7. Check readability: Netflix's subtitle guidelines for English allow 42 characters per line, two lines per subtitle and 20 characters per second for adult content, with each subtitle on screen between 5/6 of a second and 7 seconds. Count the lines that break those limits.
8. For translated subtitles, have a native speaker grade 20 random lines: correct, needs an edit, or wrong meaning.

Rank tools on critical errors first and error rate second. A transcript with a slightly higher error rate but correct names usually needs less fixing.

The free option: Whisper on your computer

If you're comfortable in a terminal, OpenAI's open-source Whisper model runs locally for free (it needs Python and FFmpeg) and writes SRT files directly. The last three options below keep lines within the 42-character, two-line limits:

whisper video.mp4 --model turbo --language English --output_format srt --word_timestamps True --max_line_width 42 --max_line_count 2

There's no editor or styling: you proofread the SRT in a text editor and burn it in with FFmpeg, as shown in our guide to burned-in subtitles.

Which one for you?

• You record meetings and interviews → Otter (Business if you need SRT files).
• You edit podcasts or YouTube videos → Descript.
• You post short social clips and the caption style is part of the look → VEED.
• You want a flat monthly minutes allowance and a real editor alongside it → Kapwing.
• You post a handful of short-form videos a month and want animated caption templates, no editor → Submagic.
• You need a couple of short clips subtitled or translated this month, without a subscription → AI Growth Kit.
• You have a terminal, some patience and no budget → Whisper plus FFmpeg.

Common questions

Try it

Our Subtitler shows the exact credit cost as soon as you choose a file. If you need the video itself in another language rather than its subtitles, that's a different job — see how to translate a video with AI.