OpenAI › GPT-3.5 Turbo 16k › Pricing
GPT-3.5 Turbo 16k pricing
API list price by OpenAI · same on Azure, Azure AI Foundry · checked Oct 23, 2026
$3 / $4per 1M tokens in / out
#535on OpenRouter by tokens · 5M / week
Price sheetper 1M tokens
| Input | $3 | list |
| Output | $4 | |
| Context · max output | 16K · 4K | tokens |
Where to buy3 providers · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| Azure | $3 | $4 | 16K |
| Azure AI Foundry | $3 | $4 | — |
| OpenAIlab | $3 | $4 | 16K |
In OpenAI's line-upper 1M in / out
| GPT-5.4 Mini (2026-03-17) | $0.75 / $4.50 | −48% |
| o3 Mini High | $1.10 / $4.40 | −41% |
| o4 Mini High | $1.10 / $4.40 | −41% |
| GPT-3.5 Turbo 16k | $3 / $4 | this model |
| GPT-5.1 (2025-11-13) | $1.25 / $10 | +6% |
| o3 | $2 / $8 | +8% |
| GPT-6.1 Sol | $2 / $10 | +23% |
Pricing questions
How much does GPT-3.5 Turbo 16k cost?›
$3 per 1M input tokens and $4 per 1M output tokens on OpenAI's API and Azure, Azure AI Foundry.
Is GPT-3.5 Turbo 16k free to use?›
There is no free API tier.