This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up to Sep 2021.
OpenAI: GPT-3.5 Turbo 16k – Uptime and Availability | OpenRouter
Uptime stats for GPT-3.5 Turbo 16k
Uptime stats for GPT-3.5 Turbo 16k across all providers