kitio.aiSudowrite vs InstaNovel.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sudowrite starts at $19/mo and InstaNovel.ai starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Story Bible
- Muse fiction model
- Describe and Rewrite tools
- Chapter drafting
- Brainstorming
- Prompt to mini-novel
- 4 to 6 chapters
- Artwork in chosen style
- Free first book
- Premium priority
| Feature | Sudowrite | InstaNovel.ai |
|---|---|---|
| Best for | AI writing partner for novelists with a fiction-trained model | Generate an illustrated mini-novel from a single prompt |
| Category | Writing | Writing |
| Pricing model | Free trial | Freemium |
| Starting price | $19/mo | See pricing page |
| Free plan | No, trial available | Yes |
| Made by | Sudowrite | InstaNovel.ai |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Sudowrite starts at $19/mo and InstaNovel.ai starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Hobby & Student
$19/mo
- 225,000 credits per month
- $10/mo billed yearly
Professional
$29/mo
- 1,000,000 credits per month
- Feedback on your work
- $22/mo billed yearly
Max
$59/mo
- 2,000,000 credits per month
- Credits roll over 12 months
- $44/mo billed yearly
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sudowrite
- Built specifically for fiction
- Keeps track of story details
- Strong descriptive writing tools
- Credits run out fast on long drafts
- No permanent free plan
InstaNovel.ai
- First book free without a card
- Artwork included
- Several art styles
- Free users wait in a queue
- Daily free limit can run out
- Prompt capped at 300 characters
Which one should you choose?
Choose Sudowrite if you want:
- Built specifically for fiction
- Keeps track of story details
- Strong descriptive writing tools
Watch out: credits run out fast on long drafts.
Choose InstaNovel.ai if you want:
- First book free without a card
- Artwork included
- Several art styles
Watch out: free users wait in a queue.
Sudowrite vs InstaNovel.ai FAQ
What is the difference between Sudowrite and InstaNovel.ai?
Sudowrite: AI writing partner for novelists with a fiction-trained model. InstaNovel.ai: Generate an illustrated mini-novel from a single prompt. Both are writing tools.
Is Sudowrite or InstaNovel.ai cheaper?
Sudowrite starts at $19/mo and InstaNovel.ai starts at See pricing page. Check both pricing pages for current plans.
Do Sudowrite and InstaNovel.ai have free plans?
Sudowrite: No, trial available. InstaNovel.ai: Yes.
Who makes Sudowrite?
Sudowrite is made by Sudowrite, based in United States.
Who makes InstaNovel.ai?
InstaNovel.ai is made by InstaNovel.ai.
Which should I choose, Sudowrite or InstaNovel.ai?
Choose Sudowrite if you value built specifically for fiction and keeps track of story details. Choose InstaNovel.ai if you value first book free without a card and artwork included.