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Gemini 2.5 Flash vs o1
Comprehensive side-by-side LLM comparison
Gemini 2.5 Flash leads with 4.0% higher average benchmark score. Gemini 2.5 Flash offers 814.1K more tokens in context window than o1. Gemini 2.5 Flash is $72.20 cheaper per million tokens. Gemini 2.5 Flash supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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Gemini 2.5 Flash represents a continued evolution of Google's efficient multimodal models, designed to deliver enhanced capabilities while maintaining the performance characteristics valued in the Flash series. Built to serve high-throughput applications with improved quality, it advances the balance between speed and intelligence.
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OpenAI
o1 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
5 months newer
o1
OpenAI
2024-12-17
Gemini 2.5 Flash
2025-05-20
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash
Input:$0.30
Output:$2.50($72.20 cheaper)
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o1
Input:$15.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Gemini 2.5 Flash
Average Score:67.6%(+4.0%)
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o1
Average Score:63.6%
Performance comparison across key benchmark categories
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Gemini 2.5 Flash
Coding60.4%(+19.4%)
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o1
Coding41.0%
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Knowledge Cutoff
Training data recency comparison
Gemini 2.5 Flash
2025-01-31
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 2.5 Flash
2 providers
Throughput: 85 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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Gemini 2.5 Flash
Avg Score:67.6%(+4.0%)
Providers:2
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o1
Avg Score:63.6%
Providers:2