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GPT-3.5 Turbo 16k

by OpenAI · Released Aug 2023

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Context
16K tokens (~8 books)
Input $/1M
$3.00
Output $/1M
$4.00
Type
text
License
Proprietary
Benchmarks
0 tested
Data as of
About

This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up...

No benchmark data available yet.

Model Family · OpenAI GPT-3.5
May 2023
$0.50/M in16Kctx
May 2023
$0.25/M in(-0.25)16Kctx
Jan 2024
43.8
$1.00/M in(+0.75)4Kctx(-12K)19 benchmarks
Aug 2023
$3.00/M in(+2)16Kctx(+12K)
Sep 2023
$1.50/M in(-1.50)4Kctx(-12K)
See the full GPT-3.5 family →
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gpt-3-5-turbo-16k
Specifications
  • Typetext
  • Context16K tokens (~8 books)
  • ReleasedAug 2023
  • LicenseProprietary
  • StatusActive
  • Cost / Message~$0.010
Available On
OpenAI logoOpenAI$3.00
Learn More
transformertokens
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GPT-3.5 Turbo 16k is a proprietary text AI model by OpenAI, released in August 2023. Context window: 16K tokens.

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Benchmarks

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Key facts · as of 2026-10-05

  • GPT-3.5 Turbo 16k by OpenAI. Not enough public benchmark scores to rank yet.
  • List price $3.00 input · $4.00 output per 1M tokens (as of 2026-10-05).
  • Sold by 2 providers (as of 2026-10-05): Azure $3.00 in / $4.00 out · OpenAI $3.00 in / $4.00 out. Every provider

How to cite · data as of 2026-10-05

GPT-3.5 Turbo 16k · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/gpt-3-5-turbo-16k

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP