Cost calculator gpt-5.1

What does gpt-5.1 cost per month? Example: 2,000,000 input and 500,000 output tokens from €3.35 – all offers, EU and non-EU.

Without JavaScript you see the example calculation. With JavaScript the table uses your volumes.

Example: 2,000,000 input and 500,000 output tokens per month
Provider	EU processing	Input, € per 1M tokens	Output, € per 1M tokens	Cost per month, €
OpenAI	– no	€0.56	€4.47	€3.35
OpenAI	– no	€0.56	€4.47	€3.35
Azure OpenAI	✓ yes	€1.12	€8.94	€6.70
OpenAI	– no	€1.12	€8.94	€6.70
Azure OpenAI	✓ yes	€1.23	€9.83	€7.37
cortecs	✓ yes	€1.23	€9.84	€7.39
Azure OpenAI	✓ yes	€2.23	€17.88	€13.41
OpenAI	– no	€2.23	€17.88	€13.41
Azure OpenAI	✓ yes	€2.46	€19.66	€14.75

Source: providers' pricing pages, read and checked by searchit. As of 14 Oct 2026.

Cost = input tokens ÷ 1M × input price + output tokens ÷ 1M × output price. List prices without discounts, cache prices and taxes.