---
id: "openai/gpt-3.5-turbo-0613"
also: ["openai/gpt-3.5-turbo-0613"]
cheapest_list_usd_per_m: "1.0 in, 2.0 out, at azure on openrouter"
cheapest_effective_usd_per_m: "1.0 in, 2.0 out, at azure on openrouter"
context: 4095
max_output: 3685
input: ["text"]
output: ["text"]
released: "2024-01-25"
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["frequency_penalty", "logit_bias", "logprobs", "max_completion_tokens", "presence_penalty", "response_format", "seed", "stop", "structured_outputs", "temperature", "tool_choice", "tools", "top_logprobs", "top_p"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 0
---
# OpenAI: GPT-3.5 Turbo (older v0613)

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.