OpenAI API Pricing Calculator
Calculate the cost of using OpenAI's API models for your applications. Get instant pricing estimates based on token usage for different models including GPT-4, GPT-3.5-Turbo, and more.
Enter your expected token usage below to see estimated costs across different OpenAI models. Prices are updated regularly to reflect OpenAI's current pricing.
≈ 750 words
≈ 750 words
Select Models to Compare
O-series
GPT-4.1
GPT-4.5
GPT-4o
Specialized
ChatGPT
GPT-4
GPT-3.5
Legacy
| Model | Context | Input Cost | Output Cost | Per Request | Monthly Total |
|---|---|---|---|---|---|
| gpt-4o Cached InputBatch | 128K | $0.0025 | $0.01 | $0.01 | $12.50 |
| gpt-3.5-turbo | 16K | $0.0005 | $0.0015 | $0.0020 | $2.00 |
Note: Prices shown are per 1M tokens. Token estimates assume approximately 1 token = 0.75 words. Actual token usage may vary based on content complexity.
Pricing Options:
• Cached Input: Available for select models, reduces input token costs when using previously cached prompts
• Batch Processing: 50% discount for asynchronous batch API requests (24-hour turnaround)
Prices updated as of January 2025. Additional pricing tiers available for fine-tuning, audio, images, and specialized tools.
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