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Gemini 2.5 Pro vs o3 mini
Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro leads with 6.3% higher average benchmark score. Gemini 2.5 Pro offers 708.2K more tokens in context window than o3 mini. o3 mini is $5.75 cheaper per million tokens. Gemini 2.5 Pro supports multimodal inputs. Overall, Gemini 2.5 Pro is the stronger choice for coding tasks.
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Google DeepMind
Gemini 2.5 Pro, released by Google in May 2025, is a large language model from the Gemini 2.5 family designed for complex reasoning, coding, and long-context analysis tasks. It features a 1M token context window, native support for text, image, video, and audio input, and integrated thinking capabilities for multi-step problem solving. Gemini 2.5 Pro targets advanced coding workflows, scientific reasoning, and applications requiring deep understanding across large, mixed-modality contexts.
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OpenAI
OpenAI o3 mini, released by OpenAI in January 2025, is a compact reasoning model from the o3 family designed for efficient, cost-effective STEM problem-solving. It features a 200K token context window and adjustable chain-of-thought effort settings, allowing developers to trade reasoning depth for speed. o3 mini targets science, mathematics, and coding applications where lower inference cost and faster response times are a priority.
3 months newer
o3 mini
OpenAI
2025-01-31
Gemini 2.5 Pro
Google DeepMind
2025-05-20
Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Pro
Input:$1.25
Output:$10.00
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o3 mini
Input:$1.10
Output:$4.40($5.75 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 2.5 Pro
Average Score:7.8%(+6.3%)
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o3 mini
Average Score:1.5%
Performance comparison across key benchmark categories
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Gemini 2.5 Pro
Agents7.8%(+6.3%)
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o3 mini
Agents1.5%
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 2.5 Pro
2 providers
Google Cloud Vertex AI
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o3 mini
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Gemini 2.5 Pro
Avg Score:7.8%(+6.3%)
Providers:2
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o3 mini
Avg Score:1.5%
Providers:1