GPT-3.5 Turbo 16k

OpenAI · Released August 2023 · Knowledge cutoff September 2021

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...

It is part of OpenAI's GPT family, where Sol, Luna and Terra mark the current generation's capability tiers and Pro servings trade speed for deeper computation.

Facts and pricing

Provider

OpenAI

Context window

16K tokens

Input price

33.0 credits / 1M tokens ($3.00 raw)

Output price

44.0 credits / 1M tokens ($4.00 raw)

Vision (image input)

No

Tool calling

Yes

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

Try GPT-3.5 Turbo 16k now

What GPT-3.5 Turbo 16k is best for

• High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
• Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a fast and light model like GPT-3.5 Turbo 16k:

• Summarize this article in five bullet points
• Rewrite this email to be shorter and friendlier
• Give me ten name ideas for a hiking newsletter
• Translate this paragraph to Spanish and keep the tone

OpenAI family

All 90 OpenAI models

Frequently asked questions

What is GPT-3.5 Turbo 16k?

GPT-3.5 Turbo 16k is an AI model by OpenAI. 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...

How much does GPT-3.5 Turbo 16k cost on Zeplik?

Input tokens cost 33.0 credits per million and output tokens 44.0 credits per million (1 credit = $0.10; the raw provider rates are $3.00 and $4.00 per million). New accounts start with free credits.

How long can a conversation with GPT-3.5 Turbo 16k be?

GPT-3.5 Turbo 16k has a 16K-token context window (16,385 tokens), which covers the conversation plus any documents you attach.

Does GPT-3.5 Turbo 16k support images and tools?

GPT-3.5 Turbo 16k is text-only and supports tool calling.

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