GPT 3.5 Turbo API pricing
Azure OpenAI · chat model · 4K context · ranked #874 of 1809 by input price
What GPT 3.5 Turbo costs in practice
GPT 3.5 Turbo is priced at $0.5 per million input tokens and $1.5 per million output tokens and no separately published prompt-cache rate. Against the median priced chat model ($0.5/1M in), this sits at 1.0×.
Monthly cost examples
Assuming 1,200 prompt + 400 completion tokens per request unless noted, billed 30 days a month and without cache hits.
| Workload | Cost / month | Cost / day |
|---|---|---|
| 1,000 requests/day | $36 | $1.2 |
| 10,000 requests/day | $360 | $12 |
| 100,000 requests/day | $3600 | $120 |
| 1M summaries/month | $4449.96 | $148.33 |
Model a different profile in the cost calculator.
Capabilities
Provider description
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Cheaper alternatives
Ranked by blended cost (3× input + 1× output) — cheaper, but check context and capabilities before switching.
| # | Model | Provider | Input $/1M | Output $/1M | Cached $/1M | Context |
|---|---|---|---|---|---|---|
| 1 | Gemini Exp 1114 | Google Gemini | free | free | — | 1.0M |
| 2 | Gemini Exp 1206 | Google Gemini | free | free | — | 2.1M |
| 3 | Gemma 3 27b It | Google Gemini | free | free | — | 131K |
| 4 | Gemma 4 26b A4b It | Google Gemini | free | free | — | 262K |
| 5 | Gemma 4 31b It | Google Gemini | free | free | — | 262K |
| 6 | Learnlm 1.5 Pro Experimental | Google Gemini | free | free | — | 33K |
Data provenance
This page is assembled from the sources below. Where two sources disagree, both are shown.
- Our input price: $0.5
- Second source: —
- Our output price: $1.5
- Second source: —
More from Azure OpenAI
Frequently asked
› How much does GPT 3.5 Turbo cost per 1,000 tokens?
About $0.0005 for input and $0.0015 for output tokens, based on the per-million rates on this page.
› Is GPT 3.5 Turbo cheaper than other models?
By input price it ranks #874 of 1809 priced chat models in this index, putting it in the cheaper half of the market.
› How often is GPT 3.5 Turbo's price checked?
The dataset was last refreshed 2026-09-13 13:40 UTC. Providers can change pricing at any time — verify with Azure OpenAI before committing to a budget.