GPT-5 Pro
OpenAIThe top-tier reasoning model in the GPT-5 family, priced for depth over throughput.
Main uses: Hard reasoning problems, long-form analysis and tasks where answer quality matters more than per-token cost.
What sets it apart: At $15/$120 per 1M tokens it is 12× the price of base GPT-5 - reserved for cases that justify it.
On cost: No cached-input discount is listed for this model, unlike base GPT-5.
In
$15.00
Out
$120.00
Blended
$41.25
Where to buy this model
1 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $15.00 | $120.00 | $41.25 | - |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 400K
- max output
- 128K
- Family
- gpt
- Modalities
- image · text · file
- Features
- json · reasoning · tools
Live pricing, updated 2026-11-03.
OpenAI models at a similar price
| Model | In | Out | Ctx |
|---|---|---|---|
| o3 Pro | $20 | $80 | 200K |
| GPT-4 | $30 | $60 | 8K |
| GPT-5 Pro · this model | $15 | $120 | 400K |
| GPT-5.2 Pro | $21 | $168 | 400K |
| GPT-5.4 Pro | $30 | $180 | 1.05M |
| GPT-5.5 Pro | $30 | $180 | 1.05M |