+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Gemini 2.5 Pro vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 2.7% higher average benchmark score. Gemini 2.5 Pro offers 814.1K more tokens in context window than o3. o3 is $1.25 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
+
+
+
+
Gemini 2.5 Pro was developed as Google's most intelligent AI model, designed to comprehend vast datasets and challenging problems from diverse information sources including text, audio, images, and video. Built to handle complex reasoning and multi-step problem solving, it represents Google's flagship offering for enterprise and advanced applications.
+
+
+
+
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 month newer
o3
OpenAI
2025-04-16
Gemini 2.5 Pro
2025-05-20
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
Gemini 2.5 Pro
Input:$1.25
Output:$10.00
+
+
+
+
o3
Input:$2.00
Output:$8.00($1.25 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
+
+
+
+
Gemini 2.5 Pro
Average Score:62.5%
+
+
+
+
o3
Average Score:65.2%(+2.7%)
Performance comparison across key benchmark categories
+
+
+
+
Gemini 2.5 Pro
Coding63.2%
+
+
+
+
o3
Coding69.1%(+5.9%)
+
+
+
+
Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
Gemini 2.5 Pro
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Gemini 2.5 Pro
2 providers
Throughput: 85 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
+
+
+
+
+
+
+
+
Gemini 2.5 Pro
Avg Score:62.5%
Providers:2
+
+
+
+
o3
Avg Score:65.2%(+2.7%)
Providers:1