Pyyan / Compare / aisuite vs OpenRouter vs LiteLLM vs Requesty

aisuite vs OpenRouter vs LiteLLM vs Requesty

4 of 5

Routers & Gateways · verified 13 Aug 2026

×AaisuiteAndrew Ngcurrent
×OpenRouterOpenRoutercurrent
×BLiteLLMBerriAIcurrent
×RequestyRequestycurrent
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SpecificationaisuiteOpenRouterLiteLLMRequesty
SummarySDK-level abstraction, no proxy hop.Biggest catalogue, simplest start.The self-hosted standard.Lowest measured overhead.
Added latencyNone40–55msSelf-hosted8ms P50
HostingLibraryManagedSelfManaged
CachingRedis
CategoryRouters & GatewaysRouters & GatewaysRouters & GatewaysRouters & Gateways
OfficialAndrew NgOpenRouterBerriAIRequesty

Highlighted rows are where these differ.

aisuite

  • No network hop — pure library
  • Fewest moving parts

Best for simple swaps.

Full spec sheet →

OpenRouter

  • Consolidated billing across every provider
  • 40–55ms overhead — 5× the alternatives

Best for prototyping.

Full spec sheet →

LiteLLM

  • Budget controls and Redis caching
  • Zero marginal cost, you run it

Best for production.

Full spec sheet →

Requesty

Lowest measured overhead.

Best for latency-critical.

Full spec sheet →