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OpenAI API pricing
Published OpenAI rates in this catalog. Example cost uses 1000 input tokens and 500 output tokens. Open any model in the calculator for your own prompt.
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OpenAI rates
| # | Model | Provider | Context | Input / 1M | Output / 1M | Example | 10k requests | |
|---|---|---|---|---|---|---|---|---|
| 1 | GPT-5 Nano | OpenAI | 128K | $0.050/1M | $0.400/1M | $0.00025 | $2.5 | Cost |
| 2 | GPT-4.1 Nano | OpenAI | 1M | $0.100/1M | $0.400/1M | $0.0003 | $3.00 | Cost |
| 3 | GPT-6 Luna | OpenAI | 1.1M | $0.100/1M | $0.500/1M | $0.00035 | $3.5 | Cost |
| 4 | GPT-4o mini | OpenAI | 128K | $0.150/1M | $0.600/1M | $0.00045 | $4.5 | Cost |
| 5 | GPT-5.6 Luna | OpenAI | 1.1M | $0.200/1M | $1.20/1M | $0.0008 | $8.00 | Cost |
| 6 | GPT-5 Mini | OpenAI | 128K | $0.250/1M | $2.00/1M | $0.00125 | $12.5 | Cost |
| 7 | GPT-4.1 Mini | OpenAI | 1M | $0.400/1M | $1.60/1M | $0.0012 | $12.00 | Cost |
| 8 | GPT-3.5 Turbo | OpenAI | 16K | $0.500/1M | $1.50/1M | $0.00125 | $12.5 | Cost |
| 9 | o1-mini | OpenAI | 128K | $1.10/1M | $4.40/1M | $0.0033 | $33.00 | Cost |
| 10 | o3-mini | OpenAI | 200K | $1.10/1M | $4.40/1M | $0.0033 | $33.00 | Cost |
| 11 | o4-mini | OpenAI | 200K | $1.10/1M | $4.40/1M | $0.0033 | $33.00 | Cost |
| 12 | GPT-5 | OpenAI | 400K | $1.25/1M | $10.00/1M | $0.00625 | $62.5 | Cost |
| 13 | GPT-4.1 | OpenAI | 1M | $2.00/1M | $8.00/1M | $0.006 | $60.00 | Cost |
| 14 | GPT-4.1 (2025-04-14) | OpenAI | 1M | $2.00/1M | $8.00/1M | $0.006 | $60.00 | Cost |
| 15 | o3 | OpenAI | 200K | $2.00/1M | $8.00/1M | $0.006 | $60.00 | Cost |
| 16 | GPT-6 Sol | OpenAI | 1.1M | $2.00/1M | $10.00/1M | $0.007 | $70.00 | Cost |
| 17 | GPT-5.6 Terra | OpenAI | 1.1M | $2.00/1M | $12.00/1M | $0.008 | $80.00 | Cost |
| 18 | GPT-4o | OpenAI | 128K | $2.50/1M | $10.00/1M | $0.0075 | $75.00 | Cost |
| 19 | GPT-4o (2024-08-06) | OpenAI | 128K | $2.50/1M | $10.00/1M | $0.0075 | $75.00 | Cost |
| 20 | GPT-5.6 Sol | OpenAI | 1.1M | $4.00/1M | $20.00/1M | $0.014 | $140.00 | Cost |
| 21 | ChatGPT-4o Latest | OpenAI | 128K | $5.00/1M | $15.00/1M | $0.0125 | $125.00 | Cost |
| 22 | GPT-4 Turbo | OpenAI | 128K | $10.00/1M | $30.00/1M | $0.025 | $250.00 | Cost |
| 23 | GPT-6 Astra | OpenAI | 1.1M | $10.00/1M | $50.00/1M | $0.035 | $350.00 | Cost |
| 24 | o1 | OpenAI | 200K | $15.00/1M | $60.00/1M | $0.045 | $450.00 | Cost |
| 25 | o1-preview | OpenAI | 128K | $15.00/1M | $60.00/1M | $0.045 | $450.00 | Cost |
| 26 | GPT-4 | OpenAI | 8K | $30.00/1M | $60.00/1M | $0.06 | $600.00 | Cost |
Use the calculator
Open a model in the cost calculator or tokenizer. Rates checked on each model page.
OpenAI pricing FAQ
- How do I count OpenAI API tokens?
- Use the TokenCalculator tokenizer with an OpenAI model for Exact o200k or cl100k style counts in your browser, or use tiktoken and OpenAI’s tokenizer docs for programmatic checks.
- Where is OpenAI API pricing listed here?
- This page lists curated OpenAI catalog rates with lastVerified dates. Open any model for a pricing snapshot, or confirm on OpenAI’s official pricing page before contracts.
- How do I estimate GPT cost from tokens?
- Count input tokens, set expected output tokens, then apply input and output rates per 1M tokens in the cost calculator. Include cache or batch only when those rates exist for the model.
- Do ChatGPT Plus tokens match the API?
- No. ChatGPT subscriptions are product plans. API billing is separate and metered per token on the platform account you use for API keys.
Related tools
OpenAI token calculator · Cost calculator · Token visualizer · OpenAI models · Cheapest models · Compare models
Related guides
OpenAI token calculator · ChatGPT token calculator · tiktoken calculator · GPT-6 Astra pricing
Sources and references
Official documentation used for definitions, counting methods, or rate cards. Always confirm critical budgets on the provider page.