Author's Description
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following. Use it to think through multi-step problems that involve analysis across text, code, and images.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
OpenAI's o3, created on April 16, 2025, is a robust and versatile AI model designed for complex tasks across various domains, including math, science, coding, and visual reasoning. It also excels in technical writing and instruction-following, making it suitable for multi-step problems requiring analysis across text, code, and images. The model demonstrates moderate speed performance, ranking in the 35th percentile across benchmarks. Its pricing is positioned at a premium level, falling into the 8th percentile for cost-effectiveness. A significant strength of o3 is its exceptional reliability, achieving a 100% success rate, indicating minimal technical failures and consistent provision of evaluable responses. In the Reasoning (Baseline) benchmark, o3 achieved perfect 100.0% accuracy, showcasing its superior complex reasoning abilities. This performance positions it as the most accurate model at its price point and among models with comparable speed. While its duration for this benchmark was 469123ms, placing it in the 35th percentile for speed, its perfect accuracy underscores its capability to deliver precise results even if not among the absolute fastest. The model's key strengths lie in its unparalleled accuracy in reasoning tasks and its outstanding reliability. Its primary weakness is its premium pricing, which may be a consideration for some users.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $2 |
| Completion | $8 |
| Input Cache Read | $0.5 |
| Web Search | $10000 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
OpenAI
|
OpenAI | openai/o3-2025-04-16 | 200K | $2 / 1M tokens | $8 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by openai
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|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
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| OpenAI: gpt-oss-20b | Aug 05, 2025 | 20B | 131K |
Text input
Text output
|
★ | ★★★★ | $$ |
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Image input
File input
Text input
Text output
|
— | — | +$$$$$ |
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| OpenAI: GPT-4.1 Nano | Apr 14, 2025 | ~50B | 1M |
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★★★★★ | ★★★ | $$ |
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★ | ★★★ | +$$$$$ |
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Text input
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Text input
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★★★ | ★★★ | $$$$$ |
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Image input
Text input
Text output
|
★★★★★ | ★★★★★ | +$$$$$ |
| OpenAI: o3 Mini High | Feb 12, 2025 | 200B | 200K |
File input
Text input
Text output
|
★★ | ★★★★ | $$$$$ |
| OpenAI: o3 Mini | Jan 31, 2025 | 200B | 200K |
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Text input
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|
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★★★★★ | ★★ | $$$$$ |
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Image input
File input
Text input
Text output
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★★★★ | ★★★★ | $$$$$ |
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Image input
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Text input
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★★★★★ | ★★★ | $$ |
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Text input
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★★★★★ | ★★★★ | $$ |
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Text output
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★★★★ | ★★★★★ | $$$$$ |
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★★★★★ | ★★★★★ | $$$$$ |
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Text input
Text output
|
— | — | $$$$ |
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Text output
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— | — | $$$$ |
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Text input
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★★★ | ★★ | +$$$$$ |
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Text input
Text output
|
★★★★ | ★★ | +$$$$$ |