Search/

Skip to content

/

© 2026 OpenRouter, Inc

Product

Chat
Rankings
Models
Providers
Pricing
Enterprise

Company

About
Announcements
CareersHiring
Partners
Privacy
Terms of Service
Support
State of AI

Developer

Documentation
API Reference
SDK
Status

Connect

Discord
GitHub
LinkedIn
X
YouTube

OpenAI: GPT-3.5 Turbo 16k

openai/gpt-3.5-turbo-16k

Created Aug 28, 202316,385 context

$3/M input tokens$4/M output tokens

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 – Recent Activity and Usage Stats | OpenRouter

Recent activity on GPT-3.5 Turbo 16k

Total usage per day on OpenRouter

Prompt

4.47M

Completion

609K

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.