OpenAI Kosten Calculator

Gratis online tool calculate openai api costs instantly. estimate gpt-4 and gpt-3.5 pricing for prompts and completions. free online tool for developers and businesses managing openai budgets.

Wat is OpenAI Kosten Calculator?

A powerful developer tool designed to help you work more efficiently. OpenAI Cost Calculator provides accurate results instantly with a clean, intuitive interface. Perfect for developers, engineers, and IT professionals.

Formule

kosten = (invoertokens × invoerPricePer1K ÷ 1000) + (uitvoertokens × uitvoerPricePer1K ÷ 1000)

Hoe te berekenen

Enter your input in the field above.
Configure any available options to customize the output.
View the results instantly with real-time updates.
Copy or export your results for use in your projects.
Vergelijk verschillende OpenAI-modellen om de beste waarde te vinden.

Voorbeeld

A chatbot sends 1,500 input tokens to GPT-4o and generates 300 output tokens. Cost: (1500/1000 × $0.0025) + (300/1000 × $0.01) = $0.00375 + $0.003 = $0.00675.

Belangrijkste voordelen

Get accurate results instantly in your browser.
Save time with real-time calculations as you type.
No data leaves your device - complete privacy.
Free to use on any device, no sign-up required.

Veelgemaakte fouten

Not accounting for system prompt tokens
Using wrong model tier pricing assumptions
Vergeten dat o-series-reasoning-tokens bijdragen aan de totale kosten
Aannemen dat alle modellen hetzelfde contextvenster hebben

Pro-tips

Use GPT-4o Mini for simple classification tasks
Reserve GPT-4o for complex reasoning and analysis
Optimize prompts to reduce token counts
Gebruik GPT-4.1 voor taken met een lange context die tot 1M tokens vereisen

Sleutelbegrippen

GPT-4o: OpenAI flagship multimodal model
GPT-4o Mini: Lightweight cost-effective model
Token: Text unit processed by the model
Context window: Maximum tokens per request
o4-mini/o3: Voor reasoning geoptimaliseerde modellen
Reasoning-tokens: Interne chain-of-thought-tokens in o-series

Veelvoorkomende toepassingen

Estimating chatbot operating costs
Budgetteren voor AI-gestuurde functies
Comparing GPT-4o vs GPT-4o Mini costs
Planning API usage at scale
Kiezen tussen standaard- en reasoning-modellen

Veelgestelde Vragen

What is the difference between GPT-4o and GPT-4o Mini?

GPT-4o is the flagship model with full capabilities at $0.0025/$0.01 per 1K tokens. GPT-4o Mini is a smaller, faster model at $0.00015/$0.0006 per 1K tokens — ideal for simpler tasks.

How accurate are these cost estimates?

Costs are calculated using OpenAI's published API pricing as of 2026. Actual costs may vary based on caching, batching, and special pricing agreements.

Does OpenAI charge for both input and output tokens?

Yes, OpenAI charges separately for input (prompt) tokens and output (completion) tokens. Output tokens are typically more expensive.

Brengt OpenAI kosten in rekening voor zowel invoer- als uitvoertokens?

Ja, OpenAI brengt apart kosten in rekening voor invoer- (prompt) en uitvoer- (completion) tokens. Uitvoertokens zijn doorgaans duurder. o-series-modellen rekenen ook kosten voor interne reasoning-tokens.

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