GPT-3.5 Turbo pricing
OpenAI · list prices as of 2026-09-29
| Input | $0.50 per 1M tokens |
|---|---|
| Output | $1.50 per 1M tokens |
| Batch / async | 50% off |
| Context window | 16K tokens |
| Longest answer | 4K tokens |
What a call costs
| Typical call | Input tokens | Output tokens | Per call | Per month at 1,000 a day |
|---|---|---|---|---|
| Chat reply | 1,000 | 300 | $0.00095 | $28.50 |
| Document summary | 6,000 | 400 | $0.0036 | $108.00 |
| Code change | 3,000 | 1,200 | $0.0033 | $99.00 |
No caching or batch discount. Your own prompt will differ: count it exactly below.
Price your own prompt on GPT-3.5 TurboSimilarly priced models
- Mistral Large 3 (Mistral): about the same
- GPT-4.1 mini (OpenAI): 1.1× cheaper
- Gemini 2.5 Flash (Google): 1.1× more
- Gemini 3.5 Flash-Lite (Google): 1.1× more
- GPT-5 mini (OpenAI): 1.1× cheaper
Questions
How much does GPT-3.5 Turbo cost?
GPT-3.5 Turbo costs $0.50 per million input tokens and $1.50 per million output tokens, as of 2026-09-29.
How much is one GPT-3.5 Turbo call?
A call with 1,000 input tokens and a 300-token answer costs about $0.00095, or $28.50 a month at 1,000 calls a day.
How big is the GPT-3.5 Turbo context window?
16,385 tokens.