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OpenAI

GPT 3.5 Turbo 16K

Legacy$$$Premium
OpenAI
CompareChat

GPT 3.5 Turbo with extended 16K context window. Added long-context support to the original GPT-3.5 model. Now superseded by modern models with much larger context windows.

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GPT 3.5 Turbo 16K is very affordable at $3.00/M tokens input and $4.00/M tokens output. The model supports a 16K context window.

Replaced by
OpenAIGPT 4.1 Mini
See the full deprecation timeline

Benchmarks

CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter

Specifications

Vision
Audio
Reasoning
16K
Context
4K
Max output

Performance

Providers

Misc

August 28, 2023
Released
Same family
OpenAIGPT 3.5 TurboOpenAIGPT 3.5 Turbo Instruct
CompareChat with GPT 3.5 Turbo 16K

Compare with

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Frequently Asked Questions about GPT 3.5 Turbo 16K▼

When was GPT 3.5 Turbo 16K released?

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GPT 3.5 Turbo 16K was released on August 28, 2023.

Who created GPT 3.5 Turbo 16K?

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GPT 3.5 Turbo 16K was created by OpenAI.

How much does GPT 3.5 Turbo 16K cost?

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GPT 3.5 Turbo 16K costs $3.00/M input tokens and $4.00/M output tokens.

What is GPT 3.5 Turbo 16K API pricing?

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The GPT 3.5 Turbo 16K API is priced at $3.00 per million input tokens and $4.00 per million output tokens. You can access GPT 3.5 Turbo 16K through idapt.app alongside 200+ other AI models in one workspace.

Is GPT 3.5 Turbo 16K a reasoning model?

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No, GPT 3.5 Turbo 16K is not a reasoning model. It responds directly without an extended internal thinking step. For tasks requiring deep chain-of-thought reasoning, consider models like Claude, o-series from OpenAI, or Gemini Thinking.

Does GPT 3.5 Turbo 16K support image or vision input?

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No, GPT 3.5 Turbo 16K does not currently support image or vision input. It is a text-only model.

Does GPT 3.5 Turbo 16K support audio?

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No, GPT 3.5 Turbo 16K does not support audio input.

What is the context window of GPT 3.5 Turbo 16K?

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GPT 3.5 Turbo 16K has a context window of 16K tokens, meaning it can process approximately 12,289 words of context at once.

Is GPT 3.5 Turbo 16K open source?

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GPT 3.5 Turbo 16K is a proprietary model developed by OpenAI. The model weights and training data are not publicly available.

Where can I use GPT 3.5 Turbo 16K?

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You can chat with GPT 3.5 Turbo 16K on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access GPT 3.5 Turbo 16K through OpenAI's own API or platform.

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