OpenRouter · gpt-3.5

API GatewayOpenAI compatible

Unified API gateway providing access to 200+ models from multiple providers with standardized pricing.

Active models
370+ 355 deprecated
Families
97
Headquarters🇺🇸 New York, NY
Founded2023
Latest release2026-10-28
API Base URL
Modelsopenrouter.ai/models
Capabilities
Model
OpenAI: GPT-3.5 Turbo (older v0613)openai/gpt-3.5-turbo-0613
OpenAI: GPT-3.5 Turbo 16kopenai/gpt-3.5-turbo-16k