LiteLLM alternatives
Open-source model gateway/proxy for using multiple LLM providers via one OpenAI-compatible interface.
This LiteLLM alternatives guide compares pricing, strengths, tradeoffs, and related options.
LiteLLM is included in this directory because it offers a local or self-hosted model gateway layer for teams standardizing multi-provider access behind one API contract.
Official site: https://github.com/BerriAI/litellm
Company YouTube: No official company YouTube channel found during official-page review.
At a glance
| Pricing model | Free |
|---|---|
| Page type | Gateway/API aggregator |
| Model source | 3rd-party models |
| Price range | Free (open source) |
| Model last update | 2026-04-10 (official GitHub releases page: LiteLLM v1.83.6-nightly latest release tag). |
| Best for | Developer workflows |
| Categories | Free AI Tools , Developers , Model Aggregators |
Top alternatives
- Mammouth AI : OpenAI-compatible multi-model API and app for using major third-party LLMs from one interface.
- OpenRouter : Unified API for routing requests across many third-party LLM providers and model families.
- Portkey AI Gateway : LLM gateway and control plane for multi-provider routing, reliability policies, and governance.
- AI Free API : Free-tier focused API hub for trying multiple AI models and endpoints from one place.
Notes
LiteLLM is a strong option when you want model-gateway flexibility without locking your app to a single hosted aggregator.
Comparison table
| Tool | Pricing | Page type | Model source | Price range | API cost | Subscription cost | Pros | Cons |
|---|---|---|---|---|---|---|---|---|
| LiteLLM | Free | Gateway/API aggregator | 3rd-party models | Free (open source) | No vendor fee for LiteLLM itself; pay underlying model providers and hosting costs. | Not required for self-hosted use. | Open-source and self-hosted friendly; One integration interface across many providers | Requires deployment and operational ownership; Reliability depends on your infra and provider health |
| Mammouth AI | Credits | Gateway/API aggregator | 3rd-party models | Included app credits + pay-as-you-go API | Usage-based by selected routed model; official docs show per-model token pricing and advise checking the public models endpoint for current rates. | App subscriptions include a small monthly API credit allowance; larger usage can run on pay-as-you-go pricing. | OpenAI-compatible API makes migration from existing tooling straightforward; One account covers many major third-party model providers | Final quality, latency, and cost depend on the routed third-party model; Pricing table can change as upstream providers change rates |
| OpenRouter | Credits | Gateway/API aggregator | 3rd-party models | Usage-based credits | Usage-based API pricing; costs depend on model/provider selection. | No mandatory subscription listed for basic pay-as-you-go access. | One API for broad model and provider coverage; Practical fallback routing and uptime resilience | Final cost depends on provider/model routing choices; Behavior can vary between providers for the same model family |
| Portkey AI Gateway | Freemium | Gateway/API aggregator | 3rd-party models | Free tier + paid usage | Usage-based; includes underlying provider model costs. | Free tier available; paid plans for higher limits and advanced controls. | Centralized gateway for multi-provider model access; Strong policy, reliability, and observability orientation | Extra gateway layer adds platform complexity; Total cost still includes underlying model providers |
| AI Free API | Freemium | Gateway/API aggregator | 3rd-party models | Free tier + paid usage | Usage-based after free allowance; verify current limits and pricing in official docs. | Optional paid plans/usage expansion (check current pricing page). | Useful for testing model APIs with low initial cost; One endpoint strategy for trying multiple model options | Free-tier limits can be restrictive for production workloads; Model availability and latency can vary by route/provider |