LiteLLM vs Requesty
Updated March 27, 2026
Overview
LiteLLM is an open-source LLM proxy that translates OpenAI-format API calls to 100+ LLM providers. It provides a standardized interface for calling models from Anthropic, Google, Azure, AWS Bedrock, and dozens more. LiteLLM is popular as a self-hosted gateway with features like spend tracking, rate limiting, and team management.
Unified LLM gateway and router with intelligent routing, automatic failover, cost optimization, and PII redaction. Access 400+ models through a single API.
Key features
Core capabilities each platform advertises.
- Open-source LLM proxy
- OpenAI-compatible API for 100+ providers
- Budget management and rate limiting
- Self-hostable
- Automatic retries and fallbacks
- 400+ model access
- Intelligent routing & failover (<20ms)
- Cost optimization & spending controls
- PII redaction
- Prompt caching
Strengths and tradeoffs
What each tool does well, and the limitations to keep in mind.
Pros
- Free open-source core with MIT license
- Unified interface to 100+ LLM providers
- 18k+ GitHub stars with strong community
- Trusted by major enterprises
Cons
- Hidden operational costs (USD 200-500/mo infrastructure)
- Production latency overhead (20-40ms typical)
- Enterprise features require USD 30k annual fee
- Operational burden for self-hosting teams
Pros
- Extreme cost savings with smart routing and semantic caching delivering 40-80% API cost reduction
- Near-zero integration friction — OpenAI-compatible API requires only a single base_url change
- Best-in-class reliability with 99.99% uptime SLA and automatic failover in under 20ms
- Transparent pricing with flat 5% markup, no hidden fees, and generous free tier
- Enterprise governance with PII scrubbing, spending limits, approved model lists, and EU data residency
Cons
- Tiny team of ~5 employees — startup durability is a concern for enterprise buyers
- Limited community presence with no organic developer discussions on Reddit or Hacker News
- Recent pivot from data analytics (2025) — long-term commitment to LLM gateway space unproven
- No open-source option unlike competitor LiteLLM
LiteLLM or Requesty — which should you choose?
Choose LiteLLM if you wantChoose if you want
- Self-hosted LLM gateway for data control
- Standardizing LLM access across teams
- Budget enforcement per team or project
- Provider migration without code changes
- Open-source LLM infrastructure
Choose Requesty if you wantChoose if you want
- Multi-provider LLM access
- Cost optimization
- Enterprise governance
- Failover & reliability
- Data privacy compliance
Compare LiteLLM and Requesty on your own traffic
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.