openaiListed Aug 28, 2023

OpenAI: GPT-3.5 Turbo 16k

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...

Context window16.4K
Max output4.1K
Provider endpoints4
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
—

No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

4 quotes

Your token mix

USD · listed token rates

ExperientialStandard list rate
$4.00

OpenRouter

Catalog quote
Input
$3.00
Output
$4.00
USD / 1M tokens
16.4K context4.1K max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDopenai/gpt-3.5-turbo-16k

Experiential

Standard list rate

Input
$3.00
Output
$4.00
Cached input
$3.00
USD / 1M tokens

Catalog list rate. Plan allowances and temporary discounts are separate.

16.4K context4.1K max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDgpt-3.5-turbo-16k

Azure

via OpenRouter

azure

Input
$3.00
Output
$4.00
USD / 1M tokens
16.4K context4.1K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-3.5-turbo-16k::azure

OpenAI

via OpenRouter

openai

Input
$3.00
Output
$4.00
USD / 1M tokens
16.4K context4.1K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-3.5-turbo-16k::openai

Model specifications

Developer
openai
Modality
Language
Context
16,385 tokens
Maximum output
4,096 tokens
Weights
Not reported
Provider listed
Aug 28, 2023
First discovered
Oct 16, 2026

Exact identities

  • openrouteropenai/gpt-3.5-turbo-16k
  • experientialgpt-3.5-turbo-16k

Sources

Updated Oct 18, 2026

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