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Chalkboard

chalkboard.studio

From $25/mo WebAPISelf-hosted
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Spec score 7.9 #22 of 40 in Explainer Video Software

Spec sheet

What it does
Chalkboard turns a topic into a narrated explainer video by scripting, fact-checking, generating Manim animation code, synthesizing narration, and rendering an MP4.Read 5 Oct 2026 · chalkboard.studio
API
The hosted API supports bearer authentication, idempotency, signed webhooks, and test-mode keys; hosted access requires a beta invite.Read 5 Oct 2026 · chalkboard.studio
Integrations
The self-hosted project documents Claude, Manim, ElevenLabs, Kokoro, and OpenAI as pipeline or narration components.Read 5 Oct 2026 · github.com
Security
The homepage says the pipeline is sandboxed via Docker.Read 5 Oct 2026 · chalkboard.studio
Support
The pricing page lists email support, and the site provides [email protected] as a contact address.Read 5 Oct 2026 · chalkboard.studio
Automated pipeline
The pipeline has separate stages for scripting, verification, animation, visual QA, and rendering, with retry logic when a stage fails.Read 5 Oct 2026 · chalkboard.studio
Availability
The hosted service is in closed beta, with invite codes required for access and a waitlist for people without an invite.Read 5 Oct 2026 · chalkboard.studio
Customization
Users can configure audience, tone, template, visual theme, narrator, and effort level.Read 5 Oct 2026 · chalkboard.studio
Data controls
The pricing page says account holders can export their data, set a spend-alert threshold, manage email notifications, and delete their account and associated videos, jobs, and history.Read 5 Oct 2026 · chalkboard.studio
Fact-checking
A verifier annotates numerical claims, dates, and causal statements and rewrites claims that do not hold up.Read 5 Oct 2026 · chalkboard.studio
Self-hosting
The project is MIT licensed and can run locally through its open-source CLI using the user's own Claude key.Read 5 Oct 2026 · chalkboard.studio
Usage limits
Videos consume credits based on compute; the pricing page estimates roughly 30 to 70 credits for a short video and 80 to 200 for a max-reliability run with a premium narrator.Read 5 Oct 2026 · chalkboard.studio
Video assets
Each video can include an SRT caption file, embedded chapter markers, a YouTube chapter list, and a source script.Read 5 Oct 2026 · chalkboard.studio
Visual QA
After rendering, Claude reviews sampled frames for overlapping text, off-canvas elements, unreadable contrast, and obscured labels.Read 5 Oct 2026 · chalkboard.studio

Plans and prices

Standard $25 a month 2,500 credits, refreshed every billing cycle Every video, narrator, and effort level included · Library + API access · Roughly 35 to 80 normal-effort videos per month, depending on length and options · Email support Read 5 Oct 2026 · chalkboard.studio
Top-up pack $50, paid once 6,000 credits (+20% bonus) Available to subscribers and free accounts · Coming soon Read 5 Oct 2026 · chalkboard.studio

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