o3-pro
OpenAIUpdated July 2026. o3-pro by OpenAI: $20.00/M cache-miss input, $80.00/M output tokens. 200K context, 100K max output. Function Calling & JSON Mode. Free calculator + compare 40+ models.
Input Price
$20.00
cache miss / 1M tokens
Output Price
$80.00
per 1M tokens
Context Window
200K
tokens
Specifications
| Provider | OpenAI |
| Model ID | o3-pro |
| Input Price | $20 / 1M cache-miss tokens |
| Output Price | $80 / 1M tokens |
| Context Window | 200K tokens |
| Max Output | 100K tokens |
| Capabilities | textfunction_callingstructured_output |
| Release Date | 2026-01 |
| Pricing Source | Official OpenAI pricing |
| Price Verified | 2026-07-14 · GPT-5.6 Sol, Terra, and Luna pricing was refreshed against OpenAI official pricing and model docs. |
| Notes | Highest reasoning capability for elite tasks. |
Monthly Cost Estimates
Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split). Input estimates use cache-miss pricing, so cache-heavy workloads can be lower.
| Daily Tokens | Monthly Cost | Annual Cost |
|---|---|---|
| 10K | $15.00 | $180.00 |
| 50K | $75.00 | $900.00 |
| 100K | $150.00 | $1800.00 |
| 500K | $750.00 | $9000.00 |
| 1.0M | $1500.00 | $18000.00 |
About o3-pro
o3-pro 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 $20 per million cache-miss input tokens and $80 per million output tokens, o3-pro is positioned as a premium 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.
o3-pro Key Details
- Pricing: $20/M cache-miss input tokens, $80/M output tokens
- Context window: 200K tokens — suitable for large documents and codebases
- Max output: 100K tokens per response
- Capabilities: text, function_calling, structured_output
- Highlights: Highest reasoning capability for elite tasks.
- Released: 2026-01
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FAQ
How much does o3-pro cost?
o3-pro costs $20 per million cache-miss input tokens and $80 per million output tokens. For a typical workload of 100K input tokens/day and 50K output tokens/day, expect approximately $180.00/month before cache-hit savings.
What is o3-pro's context window?
o3-pro 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 o3-pro good for my use case?
o3-pro supports text, function_calling, structured_output. As a premium model, it excels at complex reasoning, coding, and tasks requiring maximum quality. Use our Pricing Calculator to compare with alternatives.