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Gemini 1.5 Pro vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 20.0% higher average benchmark score. Gemini 1.5 Pro offers 1.8M more tokens in context window than o3. o3 is $2.50 cheaper per million tokens. Overall, o3 is the stronger choice for coding tasks.
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Gemini 1.5 Pro was introduced as Google's advanced multimodal model with an expanded context window, designed to comprehend and reason across long documents, videos, and audio. Built to handle complex, information-rich tasks, it brought breakthrough capabilities in processing extended context while maintaining high-quality reasoning and generation.
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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.
11 months newer
Gemini 1.5 Pro
2024-05-01
o3
OpenAI
2025-04-16
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 1.5 Pro
Input:$2.50
Output:$10.00
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o3
Input:$2.00
Output:$8.00($2.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Gemini 1.5 Pro
Average Score:64.4%
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o3
Average Score:84.3%(+20.0%)
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Pro
2023-11-01
o3
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 1.5 Pro
1 providers
Throughput: 85 tok/s
Latency: 0.7ms
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o3
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Gemini 1.5 Pro
Avg Score:64.4%
Providers:1
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o3
Avg Score:84.3%(+20.0%)
Providers:1