GPT-4o mini Pricing
FastOpenAI · 128K tokens context
GPT-4o mini from OpenAI costs $0.150 per 1 million input tokens and $0.600 per 1 million output tokens as of May 2026 (live OpenRouter data). The model supports a 128,000-token context window (approximately 96,000 words) with a 16K-token maximum output. A typical 1,000-token request costs $0.0001 in input charges; a 10,000-token request costs $0.0015.
| Input price | $0.150 / 1M tokens |
|---|---|
| Output price | $0.600 / 1M tokens |
| Output / input ratio | 4.0× |
| Context window | 128,000 tokens (~96,000 words) |
| Maximum output | 16,384 tokens |
| Cost per 1K tokens (input) | $0.0001 |
| Tier | Fast |
| Last verified |
GPT-4o mini is OpenAI's most affordable mainstream model — a lightweight version of GPT-4o optimized for speed and cost. It's ideal for simple tasks that don't require the full capability of GPT-4o.
Input Price
$0.150
per 1 million tokens
Output Price
$0.600
per 1 million tokens
Context Window
128K tokens
max 16K output
Cost Examples
| Request Type | Tokens | Input Cost | Output Cost |
|---|---|---|---|
| 1,000 word article | 1,333 | $0.0002 | $0.00024 |
| 10-page document (2,500 words) | 3,333 | $0.0005 | $0.0006 |
| 1,000 lines of code | 5,000 | $0.00075 | $0.0009 |
| 100K token document | 100,000 | $0.015 | $0.018 |
Output cost estimated at 30% of input token count. Use the calculator for exact figures.
Strengths
- ✓Very cheap: $0.15/1M input tokens
- ✓Fast and low latency
- ✓Good for structured tasks and simple completions
Limitations
- –Significantly less capable than GPT-4o on complex tasks
- –Not recommended for nuanced reasoning
Best Use Cases
Calculate GPT-4o mini Costs
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Open Calculator →GPT-4o mini — FAQ
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