Compare LLM Routers

Independent, side-by-side comparison of the top LLM routing platforms. Evaluate pricing, features, performance, and find the best fit.

Editor's Choice
R

Requesty

4.9/5·requesty.ai

Requesty provides intelligent LLM routing that automatically selects the best model for each request based on cost, latency, and quality requirements. Features advanced fallback mechanisms, spend tracking, and a unified API across all major providers.

Highlights

  • Lowest routing overhead in the market
  • Transparent pricing with no hidden fees
  • Advanced spend analytics and budgeting
  • Supports 200+ models across 12+ providers
Smart model routingAutomatic fallbacksCost optimization engineSpend analytics dashboardUnified APIStreaming support+4 more
Pricing
Pay-per-use
1% markup on provider costs. No minimum spend.
Latency
<50ms overhead
Uptime
99.95%
Models
392 modelslive
OpenAIAnthropicGoogleMeta+8
Visit Requesty
O

OpenRouter

4.5/5·openrouter.ai

OpenRouter provides access to a wide range of AI models through a single API. It aggregates models from multiple providers and allows developers to easily switch between them.

Highlights

  • Large selection of models
  • Community-driven model rankings
  • Easy to get started
  • Good documentation
Model aggregationOAuth integrationActivity feedStreaming supportUsage trackingAPI key management+2 more
Pricing
Pay-per-use
Variable markup depending on model and provider.
Latency
<100ms overhead
Uptime
99.9%
Models
340 modelslive
OpenAIAnthropicGoogleMeta+4
Visit OpenRouter
M

Martian

4.2/5·withmartian.com

Martian uses machine learning to automatically route requests to the optimal model based on the prompt content, desired quality, and cost constraints.

Highlights

  • Novel ML-based routing approach
  • Automatic quality optimization
  • Good for complex use cases
  • Strong research team
ML-based routingQuality predictionCost optimizationA/B testingAnalyticsStreaming support
Pricing
Pay-per-use
Markup on provider costs. Contact for enterprise pricing.
Latency
<150ms overhead
Uptime
99.9%
Models
5+ providers
OpenAIAnthropicGoogleMeta+1
Visit Martian
U

Unify

4.3/5·unify.ai

Unify helps developers find and route to the optimal LLM endpoint by benchmarking quality, cost, and speed across providers. Features a comprehensive endpoint comparison tool.

Highlights

  • Comprehensive benchmarking
  • Transparent quality metrics
  • Good Python SDK
  • Active development
Endpoint benchmarkingDynamic routingQuality scoringCost comparisonSpeed benchmarksPython SDK+1 more
Pricing
Pay-per-use
Transparent markup. Free tier available for testing.
Latency
<80ms overhead
Uptime
99.9%
Models
7+ providers
OpenAIAnthropicGoogleAWS Bedrock+3
Visit Unify
L

LiteLLM

4.4/5·litellm.ai

LiteLLM is an open-source proxy that provides a unified interface to 100+ LLM providers. It supports load balancing, fallbacks, and spend tracking. Self-hosted or cloud-managed options.

Highlights

  • Fully open source
  • Self-hosted for full control
  • Large provider support
  • Active community
Open sourceSelf-hosted optionLoad balancingFallback mechanismsSpend trackingKey management+3 more
Pricing
Open Source / Enterprise
Free self-hosted. Enterprise plan with SLA and support available.
Latency
Variable (self-hosted)
Uptime
Depends on deployment
Models
11+ providers
OpenAIAnthropicGoogleMeta+7
Visit LiteLLM

Feature Comparison

FeatureRequestyOpenRouterMartianUnifyLiteLLM
Smart Routing—
Cost Optimization—
Fallbacks—
Spend Analytics—
Streaming
Self-hosted Option————
Free Tier—
Enterprise Support—