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FireQuill
What it is
FireQuill is a web-based long-form writing system for novels, non-fiction, podcasts and other projects. Its story bible and generation tools track character voice, psychology, knowledge, relationships and arc trajectory across scenes, then propose changes for the writer to accept or reject. Eight specialist validators check developmental editing, line, plot, continuity, argument, evidence, counterargument and audience fit; they flag issues rather than correcting prose automatically. Writers can choose tracks for fiction, non-fiction, podcast, documentary, game or musical work. For non-fiction, uploaded PDFs, documents and notes can provide retrieved passages for chapter drafting. Export formats include Markdown, Word, EPUB, KDP-ready EPUB, print PDF, Fountain, Final Draft and libretto formats. FireQuill says it does not sell user content or use it to train public models, but relevant writing is sent to AI providers when generation or checks are requested. Its free plan costs nothing for two projects without AI. Companion starts at $10 a month; higher plans add project capacity and other listed features.
For and against
For
- Tracks character details and proposes updates scene by scene.
- Eight validators flag distinct editorial issues.
- Non-fiction drafts can draw on uploaded materials.
- Exports include book, script and libretto formats.
- Free plan supports two projects.
Against
- Free plan includes no AI.
- Validators flag issues but do not correct prose.
- Requested generation or checks send relevant writing to AI providers.
The verdict
FireQuill combines project-specific writing tracks, continuity tools and specialist checks for long-form work. Its free tier is limited to two projects without AI, and editorial validators leave revisions to the writer.
Who it suits
It suits long-form fiction and non-fiction writers, as well as people developing podcasts, documentaries, games or musicals. Writers who want AI generation should note that the free plan has no AI.
Plans and prices
Free
2 projects · no AI
Read 28 Sep 2026 · firequill.ai
Companion
3 active projects · 750 chat conversations/month · 100 passage checks/month · 10 portraits/month
Read 28 Sep 2026 · firequill.ai
Author
10 active projects · 1 complete book/month · 1,500 chat conversations/month · 200 passage checks/month
Read 28 Sep 2026 · firequill.ai
Studio
25 active projects · 1 full production/month · 200 premium chat conversations/month · 75 passage checks/month
Read 28 Sep 2026 · firequill.ai
On the record
- Character engine
- Its character engine versions characters’ voice, psychology, knowledge, relationships, and arc trajectory scene by scene, and proposes updates for the writer to accept or reject.firequill.ai · read 28 Sep 2026
- Content and AI
- FireQuill says it does not sell user content or use it to train public models, and says relevant writing is sent to AI providers when users request generation or checks.firequill.ai · read 28 Sep 2026
- Data location
- FireQuill says it and its subprocessors operate primarily on servers in the United States, with transfers to other countries where providers operate.firequill.ai · read 28 Sep 2026
- Editorial checks
- The eight specialist validators cover developmental editing, line, plot, continuity, argument, evidence, counterargument, and audience fit; they flag issues and do not auto-correct prose.firequill.ai · read 28 Sep 2026
- Exports
- Listed export formats include Markdown, Word, EPUB, KDP-ready EPUB, print PDF, Fountain, Final Draft, and libretto formats.firequill.ai · read 28 Sep 2026
- Integrations
- The privacy policy lists Supabase, Stripe, OpenRouter, OpenAI, Anthropic, Resend, Langfuse, Google Analytics, Cloudflare Turnstile, Sentry, and Vercel as service providers.firequill.ai · read 28 Sep 2026
- Intended users
- The maker describes FireQuill as built for long-form authors, including fiction and non-fiction writers, and presents separate workflows for podcast, documentary, game, and musical projects.firequill.ai · read 28 Sep 2026
- Paid add-ons
- Audiobook and podcast narration are pay-as-you-go on any paid plan.firequill.ai · read 28 Sep 2026
- Research
- For non-fiction, users can upload PDFs, documents, and notes so chapters can draft from retrieved passages.firequill.ai · read 28 Sep 2026
- Support
- The pricing page lists priority support as a Studio plan feature and provides [email protected] as its contact address.firequill.ai · read 28 Sep 2026
- What it does
- FireQuill is a long-form writing system for novels, non-fiction, podcasts, and more, with a story bible, specialist editors, and generation that tracks characters, continuity, and voice.firequill.ai · read 28 Sep 2026
- Writing formats
- The product has six tracks: fiction, non-fiction, podcast, documentary, game, and musical.firequill.ai · read 28 Sep 2026
