kitio.aiKie.ai vs flatkey
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Kie.ai starts at See pricing page and flatkey starts at $10 one-time. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Single API for many models
- Video and image generation APIs
- Chat model API
- Credits that never expire
- No charge for failed tasks
- Single key for many model APIs
- 1,000+ pay-per-call tools
- Model comparison and playground
- No charge for failed calls
- CLI
| Feature | Kie.ai | flatkey |
|---|---|---|
| Best for | One API key for third-party video, image, music and chat models | One API key and balance for GPT, Claude, Gemini and other models |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free trial | Freemium |
| Starting price | See pricing page | $10 one-time |
| Free plan | No, trial available | Yes |
| Made by | Kie.ai | flatkey |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Kie.ai starts at See pricing page and flatkey starts at $10 one-time. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Go
$10 one-time
- $11 in credits
- 10% bonus
Pro
$30 one-time
- $33 in credits
- 10% bonus
Max
$100 one-time
- $115 in credits
- 15% bonus
Ultra
$300 one-time
- $360 in credits
- 20% bonus
Enterprise
Contact sales
- B300 inference cloud
- Committed-volume discounts
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Kie.ai
- Cheaper than many official APIs
- Switch models with one parameter
- Failed generations are free
- Reseller, so features lag official APIs
- Per-model pricing takes time to compare
- No fixed monthly plan
flatkey
- One bill across many providers
- Credits never expire
- Many local payment methods
- Adds a middle layer between you and providers
- Pricing varies by model
- Enterprise terms need a sales call
Which one should you choose?
Choose Kie.ai if you want:
- Cheaper than many official APIs
- Switch models with one parameter
- Failed generations are free
Watch out: reseller, so features lag official apis.
Choose flatkey if you want:
- One bill across many providers
- Credits never expire
- Many local payment methods
Watch out: adds a middle layer between you and providers.
Kie.ai vs flatkey FAQ
What is the difference between Kie.ai and flatkey?
Kie.ai: One API key for third-party video, image, music and chat models. flatkey: One API key and balance for GPT, Claude, Gemini and other models. Both are models & apis tools.
Is Kie.ai or flatkey cheaper?
Kie.ai starts at See pricing page and flatkey starts at $10 one-time. Check both pricing pages for current plans.
Do Kie.ai and flatkey have free plans?
Kie.ai: No, trial available. flatkey: Yes.
Who makes Kie.ai?
Kie.ai is made by Kie.ai.
Who makes flatkey?
flatkey is made by flatkey.
Which should I choose, Kie.ai or flatkey?
Choose Kie.ai if you value cheaper than many official apis and switch models with one parameter. Choose flatkey if you value one bill across many providers and credits never expire.