o3-mini vs Gemini 2.0 Flash Thinking Comparison

Comparing o3-mini and Gemini 2.0 Flash Thinking across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

o3-mini outperforms in 2 benchmarks (AIME 2024, GPQA), while Gemini 2.0 Flash Thinking is better at 0 benchmarks.

o3-mini significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Sat Mar 14 2026 • llm-stats.com
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
Google
Gemini 2.0 Flash Thinking
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Context Window

Maximum input and output token capacity

Only o3-mini specifies input context (200,000 tokens). Only o3-mini specifies output context (100,000 tokens).

OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
Google
Gemini 2.0 Flash Thinking
Input- tokens
Output- tokens
Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.0 Flash Thinking supports multimodal inputs, whereas o3-mini does not.

Gemini 2.0 Flash Thinking can handle both text and other forms of data like images, making it suitable for multimodal applications.

o3-mini

Text
Images
Audio
Video

Gemini 2.0 Flash Thinking

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

o3-mini

Proprietary

Closed source

Gemini 2.0 Flash Thinking

Proprietary

Closed source

Release Timeline

When each model was launched

o3-mini was released on 2025-01-30, while Gemini 2.0 Flash Thinking was released on 2025-01-21.

o3-mini is 0 month newer than Gemini 2.0 Flash Thinking.

o3-mini

Jan 30, 2025

1.1 years ago

1w newer
Gemini 2.0 Flash Thinking

Jan 21, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

o3-mini has a knowledge cutoff of 2023-09-30, while Gemini 2.0 Flash Thinking has a cutoff of 2024-08-01.

Gemini 2.0 Flash Thinking has more recent training data (up to 2024-08-01), making it potentially better informed about events through that date compared to o3-mini (2023-09-30).

o3-mini

Sep 2023

Gemini 2.0 Flash Thinking

Aug 2024

11 mo newer

Outputs Comparison

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Key Takeaways

Larger context window (200,000 tokens)
Higher AIME 2024 score (87.3% vs 73.3%)
Higher GPQA score (77.2% vs 74.2%)
Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
o3-mini
Google
Gemini 2.0 Flash Thinking