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OpenAI: GPT-3.5 Turbo

openai/gpt-3.5-turbo

Created May 28, 202316,385 context

$0.50/M input tokens$1.50/M output tokens

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.

Training data up to Sep 2021.

OpenAI: GPT-3.5 Turbo – Recent Activity and Usage Stats | OpenRouter

Recent activity on GPT-3.5 Turbo

Total usage per day on OpenRouter

Prompt

47.9M

Completion

19.6M

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