# GPT-3.5 Turbo: AI model fact sheet

- **Provider:** openai
- **Released:** 2022-03-15
- **Training cutoff:** Sep 2021
- **Context window:** 16,385 tokens
- **Parameters:** Not disclosed
- **API pricing:** $1.50 / 1M input, $2.00 / 1M output
- **OpenRouter ID:** openai/gpt-3.5-turbo
- **Capabilities:** conversation, code-generation

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.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gpt-3.5-turbo