Calliope
Calliope: A focused manuscript workspace with continuity tools, research, exports, and optional metered AI. Ranked #53 of 135 in Writing Apps by our editors (4.8/10); pricing: Free plan · paid from €10; best for authors wanting AI continuity assistance.
At a glance
- Editor score4.8 / 10
- PricingFree plan · paid from €10
- Best forAuthors wanting AI continuity assistance
- Free planYes
- Facts checked21 Sep 2026
Where it wins
- Free editor supports unlimited books and structured chapter planning
- AI checks manuscript consistency against characters, places, and story facts
- Exports to Markdown, Google Docs, DOCX, EPUB, and PDF
Where it doesn't
- Cloud-only deployment limits offline use
- AI features use prepaid credits or a subscription
- No rewrite controls are listed
Our verdict on Calliope
Calliope is a web-based manuscript studio for novelists and other long-form writers. Its free editor combines distraction-free writing with book typography, parts and chapters, statuses, synopses, targets, and reordering. Authors can maintain a Map of characters, places, aliases, attributes, and story facts, then add marginal notes, to-dos, references, and chat threads around the manuscript. Unlimited books, writing statistics, Writing Wrapped, and broad export support make the free editor suitable for solo writers who want structure without committing to an AI subscription.
Its standout feature is continuity assistance rather than prose generation. The optional AI companion can search for information with cited sources, reference the manuscript, detect entities, generate synopses, and check continuity against the manuscript canon. That focus suits authors managing complex casts, settings, and long-form story details. The surrounding ecosystem includes Google Drive, Claude Desktop, ChatGPT, Cursor, MCP, and the Writer API. Subscription plans add MCP and Writer API write access, making them more relevant to writers who want connected-client workflows than to authors who only need the editor.
Pricing separates core writing from AI usage. The Free editor costs nothing and includes unlimited books, structure and goals, story-fact mapping, and DOCX, EPUB, PDF, and Google Docs export. AI is available through a €10 credit pack, a €50 credit pack, or a €100 credit pack, all pay as you go with no auto-renewal. Monthly subscription costs €12 per month, while annual subscription costs €99 per year; both include a €10 monthly Calliope AI allowance and connected-client write access. Calliope is a strong fit for authors who value continuity and research tools, but less suitable for writers seeking offline software or detailed rewrite controls.
Calliope pricing
All 6 Calliope plans and prices →
Calliope fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Publishing tools | Not verified |
| Real-time collaboration | Not verified |
| Version history | Not verified |
| Offline mode | Not verified |
| Mobile apps | Not verified |
| Export formats | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Email, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 6 integrations: Google Drive, Claude Desktop, ChatGPT, Cursor, MCP, Writer API |
| Pricing | Free plan · paid from €10 (source) |
| Website | writecalliope.ink |
| Facts checked | 21 Sep 2026 |
Calliope integrations
Calliope lists 6 integrations on its own site.
- Google Drive
- Claude Desktop
- ChatGPT
- Cursor
- MCP
- Writer API
Alternatives to Calliope
- Final DraftA screenplay-focused toolkit with deep planning, production, revision, and collaboration features.9.7
- ScrivenerA structured workspace for drafting, organizing, and compiling long-form work.8.8
- CeltxScriptwriting and production planning for screenwriters working with collaborators.8.6
See all Calliope alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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