o3-mini

OpenAI Released January 2025

OpenAI's cost-efficient reasoning model available on free tier with strong STEM performance

o3-mini

OpenAIJanuary 2025

Training Data

Up to October 2024

o3-mini

January 2025

Parameters

~100 billion

Training Method

Reinforcement Learning with Reasoning

Context Window

200,000 tokens

Knowledge Cutoff

October 2024

Key Features

Free Tier Access • Cost Efficient Reasoning • STEM Focus • Three Effort Levels

Capabilities

Reasoning: Excellent

Math: Outstanding

Coding: Excellent

What's New in This Version

First reasoning model available on free tier, 3 effort levels for cost-speed tradeoffs

OpenAI's cost-efficient reasoning model available on free tier with strong STEM performance

What's New in This Version

First reasoning model available on free tier, 3 effort levels for cost-speed tradeoffs

Technical Specifications

Parameters ~100 billion
Context Window 200,000 tokens
Training Method Reinforcement Learning with Reasoning
Knowledge Cutoff October 2024
Training Data Up to October 2024

Key Features

Free Tier Access Cost Efficient Reasoning STEM Focus Three Effort Levels

Capabilities

Reasoning: Excellent
Math: Outstanding
Coding: Excellent
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