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GPT-3.5 Turbo 16k pricing

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 to Sep 2021. This page tracks 2 listings in total. Highlighted lows are $3.00 per million input and $4.00 per million output (see table for which seller matches each).

16K context·2 providers·verified Mar 13, 2026
Best input$3.00per 1M tokens · OpenAI
Best output$4.00per 1M tokens · OpenAI

Pricing across providers

All figures are list prices per million tokens unless a column says otherwise. 2 offers are listed for GPT-3.5 Turbo 16k. Best input in this view: OpenAI.

O
OpenAInative
Input / 1M
$3.00
Output / 1M
$4.00
O
Openrouter
Input / 1M
$3.00
Output / 1M
$4.00

Input vs output · per provider

Cost calculator

The calculator uses the same dollars per million tokens as the table. Adjust sliders to see how GPT-3.5 Turbo 16k cost scales with traffic.

Provider

In: $3.00/M·Out: $4.00/M

0.300000¢ / req

0.200000¢ / req

Daily
$50
Monthly
$1.5K
Annual
$18.3K

Model specifications

Context length, caps, and capability flags for GPT-3.5 Turbo 16k. Values follow the main provider (OpenAI) record in our index.

Context window
16,385 tokens
Max output
4,096 tokens
Vision (images)
No
Tool / function calling
Yes
Streaming
No
Released
Aug 2023
Primary provider
OpenAI
Model family
N/A

Compare GPT-3.5 Turbo 16k

Open a pair page to see GPT-3.5 Turbo 16k next to another model with a shared provider matrix. 6 shortcuts below.

Frequently asked questions

Quick frequently asked items for GPT-3.5 Turbo 16k pricing and limits. The short model note from our index: 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 to Sep 2021.

GPT-3.5 Turbo 16k costs $3.00 per million input tokens and $4.00 per million output tokens via the native API.

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