o4-mini
OpenAIo4-mini by OpenAI costs $1.1/M input, $4.4/M output with 200K context window. Updated February 2026. Compare with GPT-5, Claude, Gemini & 40+ models.
Input Price
$1.10
per 1M tokens
Output Price
$4.40
per 1M tokens
Context Window
200K
tokens
Specifications
| Provider | OpenAI |
| Model ID | o4-mini |
| Input Price | $1.1 / 1M tokens |
| Output Price | $4.4 / 1M tokens |
| Context Window | 200K tokens |
| Max Output | 100K tokens |
| Capabilities | textfunction_callingstructured_output |
| Release Date | 2025-04 |
| Notes | Fast, cost-efficient reasoning model. |
Monthly Cost Estimates
Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split).
| Daily Tokens | Monthly Cost | Annual Cost |
|---|---|---|
| 10K | $0.82 | $9.90 |
| 50K | $4.13 | $49.50 |
| 100K | $8.25 | $99.00 |
| 500K | $41.25 | $495.00 |
| 1.0M | $82.50 | $990.00 |
About o4-mini
o4-mini is a large language model by OpenAI. It features a 200K token context window with up to 100K tokens of output per request. The model supports 3 capabilities: text, function_calling, structured_output.
At $1.1 per million input tokens and $4.4 per million output tokens, o4-mini is positioned as a mid-range option in the OpenAI lineup. Use our Token Counter to estimate how many tokens your prompts use, and our Pricing Calculator to compare costs across all models.
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FAQ
How much does o4-mini cost?
o4-mini costs $1.1 per million input tokens and $4.4 per million output tokens. For a typical workload of 100K tokens/day, expect approximately $9.90/month.
What is o4-mini's context window?
o4-mini supports a context window of 200K tokens. This means your combined input prompt and output response can be up to 200K tokens. The maximum output per response is 100K tokens.
Is o4-mini good for my use case?
o4-mini supports text, function_calling, structured_output. As a mid-range model, it balances capability and cost for most production use cases. Use our Pricing Calculator to compare with alternatives.