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Gemini 2.0 Flash vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 16.7% higher average benchmark score. Gemini 2.0 Flash offers 756.8K more tokens in context window than o3. Gemini 2.0 Flash is $9.50 cheaper per million tokens. Overall, o3 is the stronger choice for coding tasks.
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Gemini 2.0 Flash was developed as the next generation of Google's fast multimodal model, designed to provide improved performance while maintaining the speed and efficiency that defines the Flash family. Built with enhanced reasoning and generation capabilities, it serves applications requiring both quality and responsiveness.
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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.
4 months newer
Gemini 2.0 Flash
2024-12-01
o3
OpenAI
2025-04-16
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.0 Flash
Input:$0.10
Output:$0.40($9.50 cheaper)
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o3
Input:$2.00
Output:$8.00
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Gemini 2.0 Flash
Average Score:66.4%
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o3
Average Score:83.1%(+16.7%)
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Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
Gemini 2.0 Flash
2024-08-01
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 2.0 Flash
1 providers
Throughput: 183 tok/s
Latency: 0.4ms
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o3
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Gemini 2.0 Flash
Avg Score:66.4%
Providers:1
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o3
Avg Score:83.1%(+16.7%)
Providers:1