CaptionHub

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

CaptionHub is ranked #5 of 98 in AI video caption generators on Inferse, made by CaptionHub (London, England, United Kingdom). It runs on API, Self-hosted, Web. There is no free plan. A free trial is offered. Paid plans start at $2.50/mo.

Compared on AI video caption generators

Free plan: Nocaptionhub.com

Facts

Free plan: Nocaptionhub.com · 20 Sept 2026
What it does: CaptionHub is an AI-powered collaborative multimedia localization platform for multilingual subtitles and voiceover at scale.captionhub.com · 1 Oct 2026
Language coverage: Its subtitling platform translates and localizes subtitles into 300+ languages.captionhub.com · 1 Oct 2026
Caption technology: Natural Captions technology is designed to produce captions that read naturally and handle real-language complexity.captionhub.com · 1 Oct 2026
Editing and workflow: The platform provides frame-accurate editing, timeline editing, custom dictionaries, speaker-based splitting, hard and soft limit controls, and workflow collaboration.captionhub.com · 1 Oct 2026
Output formats: Users can export VTT, SRT, STL, TTML and other subtitle formats, including burnt-in subtitles, or publish directly to online video platforms.captionhub.com · 1 Oct 2026
Voiceover: CaptionHub Voiceover uses realistic AI voices to generate spoken audio in any voice, style and language.captionhub.com · 1 Oct 2026
Integrations: Listed integrations include Brightcove, Kaltura, Google Drive, JW Player, Mux, Cloudflare, Vimeo, Phrase, Smartling, XTM, Trados, LILT, Crowdin, DeepL, OpenAI, Amazon Translate, Blackbird.io, Whisper and Speechmatics.captionhub.com · 1 Oct 2026
Automation and API: Studio includes automation across ingest, processing, translation and publishing, plus API, SDK, webhooks and web-socket access.captionhub.com · 1 Oct 2026
Security compliance: CaptionHub states that it is ISO 27001 certified, SOC 2 II certified and GDPR compliant, with TLS and 256-bit encryption, role-based access controls, MFA, SSO, IP whitelisting and audit trails.captionhub.com · 1 Oct 2026
Deployment: CaptionHub can run in the cloud, on-premises, in hybrid environments or inside a VPC.captionhub.com · 1 Oct 2026
Support: Enterprise support options include PagerDuty and Slack Connect support, including 24/7 coverage, while support plans with SLAs and localization consulting are available.captionhub.com · 1 Oct 2026
Billing limit: Usage is measured in output minutes, which are deducted when a language version is first downloaded or published; voiceover minutes are billed when synthetic voice creation occurs.support.captionhub.com · 1 Oct 2026
Audience restriction: The subscription terms state that consumer use is prohibited and the service is for business use only.captionhub.com · 1 Oct 2026