Comprehensive side-by-side LLM comparison
o3 leads with 43.5% higher average benchmark score. o3 offers 259.0K more tokens in context window than Gemini 1.0 Pro. Gemini 1.0 Pro is $8.00 cheaper per million tokens. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
Gemini 1.0 Pro was developed as Google's initial production-ready multimodal model, designed to handle text and provide strong performance across diverse tasks. Built to serve as a versatile foundation for applications requiring reliable language understanding and generation, it introduced the Gemini architecture to developers and enterprises.
OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
1 year newer

Gemini 1.0 Pro
2024-02-15

o3
OpenAI
2025-04-16
Cost per million tokens (USD)

Gemini 1.0 Pro

o3
Context window and performance specifications
Average performance across 3 common benchmarks

Gemini 1.0 Pro

o3
Gemini 1.0 Pro
2024-02-01
o3
2024-05-31
Available providers and their performance metrics

Gemini 1.0 Pro

o3

Gemini 1.0 Pro

o3

Gemini 1.0 Pro

o3
OpenAI