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Captions

What Captions does

Captions (website captions.ai) is an AI video creation and editing platform that targets creators, small businesses, and marketing teams who want “talking video” style short-form content without camera crews or a traditional edit workflow. The product suite combines automated video workflows (e.g., captioning, dubbing/translation, and editing) with generative capabilities for creating lifelike digital actors and scene content. Captions’ recent platform direction also emphasizes developer access via a “Mirage” API for production-grade talking-head video generation, and enterprise security readiness via SOC 2 compliance messaging.

Core end-user workflows include turning a script or existing assets into polished videos, adding captions and translating/localizing video content for multilingual reach, and performing in-app edits via prompts. Captions also provides AI-generated actors intended for use in marketing/UGC-style creatives, and positions its “Mirage” model(s) and related tools as the underlying foundation for expressive, human-realistic results. In addition to the consumer app experience, Captions offers an API intended for teams that need to embed synthetic talking-head generation into their own products or automated pipelines.

Business model: Captions is monetized primarily through subscription plans (Free through higher tiers, plus plans that include API access), with additional enterprise offerings for bulk/managed workflows and procurement/security requirements (including a disclosed SOC 2 milestone). In fundraising and product updates, Captions frames the company’s strategic position as scaling global usage and expanding from “talking video” generation/editor tooling into broader AI video research and model capabilities that can serve both consumer and developer/enterprise use cases.

News

Company record

Apr 07, 2026 · Official · Captions (official blog index)How small teams are moving faster with Captions

A Captions blog post highlighting operational efficiency/use-case guidance for teams using Captions’ workflow.

Mar 24, 2026 · Official · Captions (official blog)Announcing Mirage’s $75M growth financing with General Catalyst

Captions (operating as Mirage in some updates) announced $75M growth financing from General Catalyst’s Customer Value Fund and shared adoption/scale messaging.

Mar 13, 2026 · Official · Captions (official help center)Mirage API documentation: Mirage Video API (image+audio talking-head generation)

Captions’ help center documentation describes the Mirage Video API endpoints and intended inputs/outputs for production-grade talking-head video generation.

Mar 09, 2026 · Official · Captions (official blog)Mirage achieves SOC 2 compliance

Captions announced completion of a SOC 2 audit and framed SOC 2 as part of its enterprise security posture.

Feb 05, 2026 · Official · Captions (official blog)Captions brings one-tap video editing to horizontal formats

Captions announced AI Edit horizontal formatting options and described use cases for creating and growing a horizontal video library more quickly.

Oct 28, 2025 · Official · Captions (official blog)How HubSpot built better campaigns with Mirage

Captions published an enterprise customer story describing how HubSpot integrated Mirage into a high-volume UGC creative workflow to increase video output and reduce turnaround costs.

Sep 18, 2025 · Official · Captions (official blog)Editing videos is now as easy as typing.

Captions announced a chat-based/conversational video editor experience in the Captions app, positioning it as text-to-edit for video.

Mar 12, 2025 · Official · Captions (official blog)Mirage: The World’s first foundation model for UGC video

Captions introduced Mirage as a foundation model for generating UGC-style ads and talking content, with emphasis on expressive human realism and in-house model development.

Source map · 2 recurring channels · 16 references

Still resolving: Newsroom · Official X

Funding

Latest disclosed valuation$500M
Tracked capital$175M6 sourced rounds
DateRoundRaisedValuationLead / investorsEvidence
Mar 24, 2026Growth financing$75M
Apr 08, 2022Seed$15M
Not attributed
+2 investors
UndatedSeed (amount not disclosed in sources found)
Not attributed
UndatedSeries A (amount not disclosed in sources found)
Not attributed
+2 investors

What it builds

Captions app (captions.ai)

A subscription video creation and editing application that supports short-form video production workflows such as captioning, voice/dubbing, and AI-assisted editing, with higher tiers unlocking additional generative tools and automated workflows.

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Mirage (in-house generative video model and platform)

Captions’ Mirage model is positioned as a foundation-style generative approach for lifelike talking/UGC-style video creation, exposed through both app features and a developer-facing API for production-grade generation from scripts/assets.

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Mirage Video API (api.mirage.app)

A developer API that exposes talking-head video generation endpoints (e.g., create video from an image and audio, poll status, retrieve video content, and list generations) intended for integration into customer workflows and applications.

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Milestones & partnerships