kitio.aiAITREE vs flatkey
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AITREE 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
- OpenAI-compatible endpoint
- Chat, image, video and 3D models
- Per-key spend caps and allow-lists
- Per-call usage logs
- Browser playground
- Single key for many model APIs
- 1,000+ pay-per-call tools
- Model comparison and playground
- No charge for failed calls
- CLI
| Feature | AITREE | flatkey |
|---|---|---|
| Best for | One OpenAI-compatible API key for Claude, GPT, Gemini and more | One API key and balance for GPT, Claude, Gemini and other models |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $10 one-time |
| Free plan | No | Yes |
| Made by | AITREE | flatkey |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
AITREE 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
AITREE
- Many vendors behind a single key
- Prices listed per model
- Prepaid balance never expires
- Adds a third party between you and model vendors
- Balance must be prepaid, minimum $5
- No free credits mentioned
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 AITREE if you want:
- Many vendors behind a single key
- Prices listed per model
- Prepaid balance never expires
Watch out: adds a third party between you and model vendors.
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.
AITREE vs flatkey FAQ
What is the difference between AITREE and flatkey?
AITREE: One OpenAI-compatible API key for Claude, GPT, Gemini and more. flatkey: One API key and balance for GPT, Claude, Gemini and other models. Both are models & apis tools.
Is AITREE or flatkey cheaper?
AITREE starts at See pricing page and flatkey starts at $10 one-time. Check both pricing pages for current plans.
Do AITREE and flatkey have free plans?
AITREE: No. flatkey: Yes.
Who makes AITREE?
AITREE is made by AITREE.
Who makes flatkey?
flatkey is made by flatkey.
Which should I choose, AITREE or flatkey?
Choose AITREE if you value many vendors behind a single key and prices listed per model. Choose flatkey if you value one bill across many providers and credits never expire.