Fluen AI Subtitle Generator

AI Video Caption Generators

Free planFree trialAPIBrowser extensionmacOSWebWindows

8.8#1 of 98$21.58/mofirst paid tier

The Fluen AI Subtitle Generator homepage

Overview

Fluen AI Subtitle Generator is ranked #1 of 98 in AI video caption generators on Specifiction. It runs on API, Browser extension, macOS, Web, Windows. There is a free plan. A free trial is offered. Paid plans start at $21.58/mo.

Fluen AI Subtitle Generator plans and pricing

All plans

Free Free $0 3 files · up to 90 min each · 30-day asset retention fluen.ai · 28 Sept 2026

Premium $259/yr 1 seat included. 150 minutes/month · 1 seat · 90 days media retention fluen.ai · 28 Sept 2026

Team $499/yr 2 seats included; extra seats cost $10/month each. 300 minutes/month · 2 included seats · 180 days media retention fluen.ai · 28 Sept 2026

Enterprise Not published Volume-based pricing · Custom seats · REST API access fluen.ai · 28 Sept 2026

Premium $29/mo $29/mo 150 min/month · 1 seat · top-up $0.24/min · 90-day asset retention fluen.ai · 28 Sept 2026

Team $59/mo $59/mo 300 min/month · 2 seats · top-up $0.22/min · extra seat $10/mo · 180-day asset retention fluen.ai · 28 Sept 2026

Compared on AI video caption generators

Free plan: Nofluen.ai
Paid from: $29/mofluen.ai
Max video length: 600 minutesfluen.ai
Caption languages: 50 languagesfluen.ai
Caption styling: Yesfluen.ai
Subtitle export: other formatsfluen.ai
Burn-in captions: Yesfluen.ai
Speaker identification: Yesfluen.ai

Facts

Minute-Based Billing: Fluen charges by the minute of subtitles produced, not by videos or file size.fluen.ai · 28 Sept 2026
Free Trial Limit: The free plan supports up to 3 files, with each file up to 90 minutes.fluen.ai · 28 Sept 2026
Free Trial Card: The free trial does not require a credit card.fluen.ai · 28 Sept 2026
Free Translation Limit: Free users can translate each file into up to 3 languages and see the first 15 minutes of each translation.fluen.ai · 28 Sept 2026
Paid Export Requirement: Subtitle and video exporting require a paid plan on the free tier.fluen.ai · 28 Sept 2026
Upload Formats: Supported inputs include MP4, MOV, MKV, AVI, MP3, WAV, M4A, and FLAC.fluen.ai · 28 Sept 2026
Speaker Detection: The system detects distinct voices and supports renaming, reassignment, dash markers, or disabling detection.fluen.ai · 28 Sept 2026
Translation Languages: Captions can be translated into more than 50 languages with context-aware formatting.fluen.ai · 28 Sept 2026
Caption Accuracy: Fluen reports accuracy of up to 99.2%.fluen.ai · 28 Sept 2026
Batch Processing: Multiple files can be uploaded and processed in the background.fluen.ai · 28 Sept 2026
Zapier Integration: Zapier connects Fluen with more than 9,000 apps.fluen.ai · 28 Sept 2026
REST API Access: Programmatic access is available through a REST API and outbound webhooks.fluen.ai · 28 Sept 2026
Premiere Pro Plugin: A Premiere Pro plugin provides captions and translation inside the edit.fluen.ai · 28 Sept 2026
Shared Workspaces: Team members can access shared project files with permissions, reviews, approvals, and notes.fluen.ai · 28 Sept 2026
Media Privacy: Media is private to the account, and a Data Processing Agreement is available on request.fluen.ai · 28 Sept 2026
Media Retention: Media retention is 30 days for Free, 90 days for Premium, and 180 days for Team.fluen.ai · 28 Sept 2026
Support Response: Priority support is typically provided within one business day.fluen.ai · 28 Sept 2026
Core function: Fluen turns uploaded video or audio into timed subtitles, provides a built-in editor, and exports subtitle files or captioned video.fluen.ai · 28 Sept 2026
Languages and accuracy: The site reports 50+ supported languages, 1,500,000+ minutes processed, and a 99.2% accuracy rate.fluen.ai · 28 Sept 2026
Multi-engine transcription: Fluen routes each file to the speech engine it considers best for the content type, language, and audio quality.fluen.ai · 28 Sept 2026
Subtitle editing: The editor supports millisecond-precise timeline editing, natural segmentation, speaker labels, filler-word removal, and custom glossaries.fluen.ai · 28 Sept 2026
Translation: Fluen translates subtitles into 50+ languages with context-aware translation and language-specific re-segmentation.fluen.ai · 28 Sept 2026
Exports: Exports include SRT, WebVTT, TTML, SBV, ITT, EBU STL, SSA, burned-in MP4, and plain text.fluen.ai · 28 Sept 2026
Integrations: Fluen connects to more than 9,000 apps through Zapier and offers REST API access with outbound webhooks.fluen.ai · 28 Sept 2026
Premiere Pro: The free Premiere Pro plugin supports Premiere Pro 25.6 and newer on macOS and Windows; captioning uploads sequence audio rather than footage.fluen.ai · 28 Sept 2026
Input limits: Paid plans have no stated file-length or file-size restriction on the pricing page, while Free files are limited to 90 minutes each.fluen.ai · 28 Sept 2026
Privacy: Fluen says media is private to the account and offers a Data Processing Agreement on request.fluen.ai · 28 Sept 2026
Data retention: Free assets are stored for 30 days and Premium assets for 90 days, while subtitle tracks remain accessible indefinitely after asset removal.fluen.ai · 28 Sept 2026
Review sharing: Users can create optional public review links for individual tracks that expire after 72 hours.fluen.ai · 28 Sept 2026
Target users: Fluen lists content creators, podcasters, media and post-production teams, agencies and LSPs, e-learning, and corporate communications as audiences.fluen.ai · 28 Sept 2026
Support: Support is primarily by email; the terms say paid-plan responses typically target 24–48 business hours and support operates Monday to Friday, 10 am–4 pm CET.fluen.ai · 28 Sept 2026