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OpenAI model

GPT-3.5 Turbo 16k

API pricing per million tokens

gpt-3-5-turbo-16kChecked 6h ago
Cost calculator Compare
Input
$3
per 1M, list
Output
$4
per 1M tokens
Cached input
n/a
no batch tier listed
Context
16K
4K max output

Where to buy it (2)

  • Azure AI Foundrydefault region$3 / $4$3.25 blended
  • OpenAI (list)the lab's own API$3 / $4$3.25 blended

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $380.00 direct.

Related models

About 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.

Takes text in and returns text. First listed Mar 26, 2024. Blended price $3.25 per 1M tokens at 3 input to 1 output.

OpenRouter listing OpenAI pricing page
Across fru.devCompany profile4 acquisitionsPay schedule64 releases, latest 2026-09-229 conferences

Questions

How much does GPT-3.5 Turbo 16k cost?

$3 per million input tokens and $4 per million output tokens.

What is the context window of GPT-3.5 Turbo 16k?

16K tokens, with up to 4K tokens of output.

Where is GPT-3.5 Turbo 16k cheapest?

Of 2 routes tracked, Azure AI Foundry is cheapest at $3 input and $4 output per million tokens.

List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Weekly: LLM API list prices that changed, Thursday mornings.