gpt 3.5 turbo instruct

by OpenAIChatdeprecated 2026-09-28

GPT-3.5 Turbo offers a balance between cost and performance.

Context
8.2K tokens
Max output
4,096 tokens
Parameters
20B (total or active not stated)
Released
2023-09-28
Weights
Closed

openai/gpt-3-5-turbo-instruct · also seen as azure/gpt-35-turbo-instruct

Specifications

Full facts as recorded, incl. what is unknown.

Released
2023-09-28
Weights
Closed
Input
Text
Output
Text
Context window
8,192 max across endpoints
Max output
4,096
Providers
3 + 4 gateways, not counted as providers
Epoch Capabilities Index
not evaluated
Direct price range
$1.50 in at Kilo Gateway, via gateway, fees not verified
More details
Last updated
2023-09-28
Knowledge cutoff
2021-08
Parameters
20B (total or active not stated)
Developer country
United States of America

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel toolsunknown
  • Structured output
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt cachingunknown
  • Web searchunknown
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

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Cost calculator

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Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs gpt 3.5 turbo instruct
o1 miniOpenAI$1.65$1.10$4.40128K+4%
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o3-mini-highOpenAI$1.65$1.10$4.40200K+4%
OpenAI o3-mini (Low)OpenAI$1.65$1.10$4.40200K+4%
o4-miniOpenAI$1.65$1.10$4.40200K+4%
o4 Mini HighOpenAI$1.65$1.10$4.40200K+4%
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Palmyra X5Writer$1.50$0.60$6.001.04M−5% cheaper

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Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model