Search/
Skip to content
/
OpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Apps
  • Models
  • Providers
  • Pricing
  • Enterprise
  • Labs

Company

  • About
  • Announcements
  • CareersHiring
  • Privacy
  • Terms of Service
  • Support
  • State of AI
  • Works With OR
  • Data

Developer

  • Documentation
  • API Reference
  • SDK
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube

OpenAI: GPT-3.5 Turbo 16k

openai/gpt-3.5-turbo-16k

Released Aug 28, 2023Knowledge cutoff Sep 30, 202116,385 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.

Recent activity on GPT-3.5 Turbo 16k

Total usage per day on OpenRouter

Prompt
598K
Completion
52K

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