Cracked AI Engineering

o3 (Preview) vs Gemini 2.0 Flash

Gemini 2.0 Flash offers 1.0M tokens context vs 128K tokens, o3 (Preview) includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

o3 (Preview)

GitHub Copilot

128K tokens context • Pricing not available

View full specifications →

Gemini 2.0 Flash

GitHub Copilot

1.0M tokens context • Pricing not available

View full specifications →

Detailed Comparison

Specification
o3 (Preview)
Gemini 2.0 Flash
Provider
GitHub Copilot
GitHub Copilot
Context Window
128K tokens
1.0M tokens
Max Output Tokens
16K tokens
8K tokens
Release Date
Apr 2025
Dec 2024

Capabilities

Capability
o3 (Preview)
Gemini 2.0 Flash
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Audio Input
Video Understanding

Which Model Should You Choose?

Choose o3 (Preview) if:

  • • You need advanced reasoning

Choose Gemini 2.0 Flash if:

  • • You need a larger context window