LiteLLM
Unified interface to call 100+ LLM providers using OpenAI-compatible format
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How the 8.0 was reached
- Quality of output8/10
59,823 GitHub stars, active pushes and Netflix adoption; 5,390 open issues and an unclear licence are minor limitations. Source: github.com
- Ease of use7/10
Drop-in OpenAI-style client with 100+ providers and observability callbacks; docs exist but setup for the proxy is not described. Source: docs.litellm.ai
- Pricing value8/10
Open source is free to self-host with no per-token markup; you pay only for infrastructure and model tokens; enterprise pricing is custom. Source: litellm.ai
- API and integration quality9/10
Python SDK plus proxy with many endpoints, virtual keys, budgets, logging, guardrails and observability integrations. Source: docs.litellm.ai
- Solves the problem it claims to solve8/10
Very heavy adoption of a unified LLM gateway supports the core claim; only GitHub figures are independent evidence. Source: github.com
8.0/10 is the average of the five criterion scores above. The evidence comes from 3 different sources.Scores come from public evidence (the tool's own pages and documentation, and independent reviews); we do not test every tool hands-on. Scored 29 September 2026, on version 1 of our five-criteria scoring method.
Pricing
- Python SDK
- 100+ LLM providers
- Unified interface
- Basic routing
- LLM Gateway
- Virtual keys
- Cost tracking
- Admin UI
- Load balancing
- Priority support
- Custom integrations
- Advanced security
- SLA guarantees
For the full list of what each plan includes, and current prices, see litellm.ai.
Key Features
- Single API for 100+ LLM providers
- OpenAI-compatible format
- Built-in retry and fallback logic
- Self-hosted proxy server
- Cost tracking and analytics
Pros & Cons
Pros
- Eliminates vendor lock-in across LLM providers
- Consistent interface reduces integration complexity
- Open source with active community
- Comprehensive provider support
- Built-in reliability features
Cons
- Additional abstraction layer may add latency
- Limited to text-based LLM interactions
- Requires separate deployment for proxy features
- Documentation could be more comprehensive
LiteLLM solves a real problem for developers working with multiple LLM providers by providing a unified interface. The open-source approach and extensive provider support make it valuable for avoiding vendor lock-in, though the abstraction comes with some complexity trade-offs.
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