GPT-3.5 Turbo (older v0613)
by OpenAI
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 S
Models
GPT-3.5 Turbo (older v0613)
Added 10 July 2026
Overview
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.
How to use / API access
Call via OpenRouter with model id `openai/gpt-3.5-turbo-0613`.
- openrouter ·
openai/gpt-3.5-turbo-0613Docs
OpenRouter id: openai/gpt-3.5-turbo-0613
Benchmarks
- Intelligence Index (artificial-analysis) : 3.6 index
- Coding Index (artificial-analysis) : 10.7 index
Notes
GPT-3.5 Turbo (older v0613) is listed in the EDNA Models directory from the OpenRouter catalogue.
Get the free Developer’s Field Guide
A 27-page field guide to the AI coding workflow with Claude. Claude Code, MCP servers, the prompt patterns that work, and what to delegate. Free.
Enter your work email. We send it straight over, plus a few short notes worth knowing. Unsubscribe any time.