AI model · OpenAI
GPT-3.5 Turbo
Model ID: openai/gpt-3.5-turbo
- Input
- $0.50 per 1M tokens
- Output
- $1.50 per 1M tokens
- Context
- 16K tokens at once
- Max output
- 4K tokens per reply
- Released
- 28 May 2023 OpenAI
What it can do
- NoReasoning
- YesTool calling
- NoImage input
- NoOpen weights
- NoFree to use
Takes text; gives text.
How its listing describes it
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks.
Sources
- OpenAI: GPT-3.5 Turbo on OpenRouter — read 2 Oct 2026