GPT-3.5 Turbo Instruct is OpenAI's language model with a 8K context window and up to 4K output tokens, available from 4 providers, starting at $1.50 / 1M input and $2.00 / 1M output. A GPT-3.5 Turbo variant tuned for instruction-following in completion mode, omitting chat-specific optimizations for direct prompt-response use.
Specifications
Canonical IDopenai-gpt-3-5-turbo-instruct
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window8K tokens
Max Output4K tokens
Input ModalitiesText
Output ModalitiesText
Release Date · 3 years ago
Knowledge Cutoff · 5 years ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities2/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
openai:gpt35turboinstruct
$1.50$2.00
OpenAI logo
OpenAI
gpt-3.5-turbo-instruct
$1.50$2.00
OpenRouter logo
OpenRouter
openai/gpt-3.5-turbo-instruct
$1.50$2.00
Vercel AI Gateway logo
Vercel AI Gateway
openai/gpt-3.5-turbo-instruct
$1.50$2.00

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini1.1M$0.750$4.50Available
GPT-5.4 Nano1.1M$0.200$1.25Available
GPT-5.41.1M$2.50$15.00Available
GPT-5.3 Codex400K$1.75$14.00Available
GPT-5.2 Codex400K$1.75$14.00Available
GPT-5.2410K$1.75$14.00Available
GPT-5.1410K$1.25$10.00Available
GPT-5.1 Codex400K$1.25$10.00Available
GPT-5.1 Codex Mini400K$0.250$2.00Available
GPT-3.5 Turbo Instruct8K$1.50$2.00Current

Model IDs

azure/gpt-3.5-turbo-instruct-0914
azure/gpt-35-turbo-instruct
azure/gpt-35-turbo-instruct-0914
gpt-3.5-turbo-instruct
gpt-3.5-turbo-instruct-0914
openai-gpt-3-5-turbo-instruct
openai/gpt-3.5-turbo-instruct
vercel_ai_gateway/openai/gpt-3.5-turbo-instruct