---
id: "openai/gpt-3.5-turbo-instruct"
also: ["openai/gpt-3.5-turbo-instruct"]
card_usd_per_m: "1.5 in, 2.0 out, at openai"
cheapest_list_usd_per_m: "1.5 in, 2.0 out, at openai on openrouter"
cheapest_effective_usd_per_m: "1.4986 in, 2.0 out, at openai on openrouter"
context: 4095
max_output: 3685
input: ["text"]
output: ["text"]
released: "2023-09-28"
params: ["frequency_penalty", "logit_bias", "logprobs", "max_tokens", "presence_penalty", "response_format", "seed", "stop", "structured_outputs", "temperature", "top_logprobs", "top_p"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 1
---
# OpenAI: GPT-3.5 Turbo Instruct

This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.