# GPT-3.5 Turbo 16k — price & specs

Source: https://modelbank.ai/models/gpt-3.5-turbo-16k · updated 2026-11-12 · ModelBank

| Field | Value |
|---|---|
| Vendor | OpenAI |
| Input price | $3 / 1M tokens |
| Output price | $4 / 1M tokens |
| Cached input | n/a / 1M tokens |
| Context window | 16,385 tokens |
| Max output | 4,096 tokens |
| Input modalities | text |
| Reasoning / tool use | no / yes |
| Intelligence / coding index | — / — |
| Released | 2023-08-28 |
| Retirement date | none announced |

## About

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...

## Price history

- 2026-09-24: $3 in / $4 out


JSON: https://modelbank.ai/api/v1/models/gpt-3.5-turbo-16k