Image input
File input
Text input
Text output
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. Note that BYOK is required for this model. Set up here: https://openrouter.ai/settings/integrations
Key Specifications
Cost
$$$$$
Context
200K
Parameters
400B (Rumoured)
Released
Apr 16, 2025
Supported Parameters
This model supports the following parameters:
Tool Choice
Max Tokens
Structured Outputs
Tools
Seed
Response Format
Features
This model supports the following features:
Structured Outputs
Response Format
Tools
Model Pricing
Current Pricing
Feature | Price (per 1M tokens) |
---|---|
Prompt | $2 |
Completion | $8 |
Input Cache Read | $0.5 |
Price History
Available Endpoints
Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
---|---|---|---|---|
OpenAI
|
OpenAI | openai/o3-2025-04-16 | 200K | $2 / 1M tokens | $8 / 1M tokens |
Benchmark Results
Benchmark | Category | Reasoning | Free | Executions | Accuracy | Cost | Duration |
---|
Other Models by openai
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Released | Params | Context |
|
Speed | Ability | Cost |
---|---|---|---|---|---|---|---|
OpenAI: o3 Pro | Jun 10, 2025 | ~400B | 200K |
Image input
File input
Text input
Text output
|
— | — | +$$$$$ |
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Text input
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Image input
File input
Text input
Text output
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Image input
Text input
Text output
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Text input
Text output
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Text input
Text output
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Text input
Text output
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Text input
Text output
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Text input
Text output
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Image input
Text input
Text output
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Image input
File input
Text input
Text output
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Text input
Text output
|
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Text input
Text output
|
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Text input
Text output
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Text input
Text output
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Image input
Text input
Text output
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Image input
File input
Text input
Text output
|
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Image input
File input
Text input
Text output
|
★★★★★ | ★★★★ | $$ |
OpenAI: GPT-4o-mini (2024-07-18) | Jul 17, 2024 | ~8B | 128K |
Image input
File input
Text input
Text output
|
★★★★★ | ★★★★ | $$ |
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Image input
File input
Text input
Text output
|
★★★★★ | ★★★★★ | $$$$$ |
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Image input
File input
Text input
Text output
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★★★★ | ★ | +$$$$$ |
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Image input
File input
Text input
Text output
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Image input
Text input
Text output
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Text input
Text output
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Text input
Text output
|
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Text input
Text output
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Text input
Text output
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Text input
Text output
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Text input
Text output
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Text input
Text output
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Text input
Text output
|
★★★★★ | ★★ | $$$ |
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Text input
Text output
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Text input
Text output
|
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