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OpenAI

GPT-3.5 Turbo 16k fastdeprecated

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...

Input / 1M

$3.00

USD per million tokens

Output / 1M

$4.00

USD per million tokens

Est. cost / token

$0.00000325

$3.25 per 1M, 3:1 mix

Context window

16K

max output 4K

Major features

CachingJSON schemaTools

Task suitability (heuristic 1–5, not a benchmark)

  • coding3
  • reasoning2
  • math2
  • summarization4
  • extraction4
  • classification4
  • chat3
  • creative3
  • translation4
  • vision1
  • long context1
  • agentic3

Price history

RecordedInputOutputCachedSource
2026-11-05 03:20$3.00$4.00—litellm+openrouter

A row is added whenever a sync detects a price change. Vendor pricing source

Pricing (USD per 1M tokens)

Input
$3.00
Output
$4.00
Blended (3:1)
$3.25

Details

Company
OpenAI
Version
3.5
Family
GPT
Released
2023-08-28
Parameters
Undisclosed
Max output
4K
Open weights
No
Inputs
text
Last synced
26 min ago