GPT-3.5 Turbo 16k Model Specs, Costs & Benchmarks (July 2026)
GPT-3.5 Turbo 16k, developed by OpenAI, features a context window of 16.4K tokens. The model costs $3.00 per million tokens for input and $4.00 per million tokens for output. It was released on August 28, 2023, and has achieved impressive scores in various benchmarks.
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Overview
 GPT-3.5 Turbo 16k | |
|---|---|
Model Provider The organization behind this AI's development | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 16.4K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 4.1K tokens |
Release Date When this model first became publicly available | August 28, 2023 2 years ago August 28th, 2023 |
Knowledge Cutoff Latest training-data date reported by the provider | September 30, 2021 |
Pricing
| GPT-3.5 Turbo 16k | |
|---|---|
Input Token Cost Cost per million input tokens | $3.00 per million tokens |
Output Token Cost Cost per million output tokens | $4.00 per million tokens |
Capabilities & Features
| GPT-3.5 Turbo 16k | |
|---|---|
Input Types Supported input formats | text |
Output Types Supported output formats | text |
Tokenizer Text encoding system | GPT |
Key Features Advanced capabilities | ✓ Function Calling✓ Structured Output |
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