kitio.aiLiteLLM vs Stacklok
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LiteLLM starts at See pricing page and Stacklok starts at See pricing page. 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-format SDK
- Proxy gateway
- Budgets and rate limits
- Provider fallbacks
- Spend tracking
- MCP registry
- MCP gateway
- MCP runtime
- AI gateway
- Kubernetes-native deployment
- Open-source agent harness
| Feature | LiteLLM | Stacklok |
|---|---|---|
| Best for | Open-source gateway to call 100+ LLM providers in OpenAI format | Kubernetes-native MCP and AI gateway platform for enterprise agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | BerriAI | Stacklok |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
LiteLLM starts at See pricing page and Stacklok starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Open Source
Free
- Self-hosted
- 100+ providers, one OpenAI API
- Virtual keys, budgets, rate limits
- Spend tracking and fallbacks
Enterprise
Contact sales
- Annual contract
- Air-gapped deployment
- 30-day trial key
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
LiteLLM
- Supports a huge provider list
- Free to self-host
- Good cost controls
- Fast releases can bring bugs
- Config gets complex at scale
- Enterprise features are paid
Stacklok
- Built by Kubernetes co-creators
- Avoids lock-in to one model vendor
- Fits existing Kubernetes ops
- Requires Kubernetes expertise
- Enterprise pricing not published
- Aimed at platform teams, not end users
Which one should you choose?
Choose LiteLLM if you want:
- Supports a huge provider list
- Free to self-host
- Good cost controls
Watch out: fast releases can bring bugs.
Choose Stacklok if you want:
- Built by Kubernetes co-creators
- Avoids lock-in to one model vendor
- Fits existing Kubernetes ops
Watch out: requires kubernetes expertise.
LiteLLM vs Stacklok FAQ
What is the difference between LiteLLM and Stacklok?
LiteLLM: Open-source gateway to call 100+ LLM providers in OpenAI format. Stacklok: Kubernetes-native MCP and AI gateway platform for enterprise agents. Both are models & apis tools.
Is LiteLLM or Stacklok cheaper?
LiteLLM starts at See pricing page and Stacklok starts at See pricing page. Check both pricing pages for current plans.
Do LiteLLM and Stacklok have free plans?
LiteLLM: Yes. Stacklok: Yes.
Who makes LiteLLM?
LiteLLM is made by BerriAI, based in United States.
Who makes Stacklok?
Stacklok is made by Stacklok, based in United States.
Which should I choose, LiteLLM or Stacklok?
Choose LiteLLM if you value supports a huge provider list and free to self-host. Choose Stacklok if you value built by kubernetes co-creators and avoids lock-in to one model vendor.