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Gemini 1.5 Pro vs Gemini 2.5 Pro Preview 06-05
Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 18.9% higher average benchmark score. Gemini 1.5 Pro offers 991.2K more tokens in context window than Gemini 2.5 Pro Preview 06-05. Gemini 2.5 Pro Preview 06-05 is $1.25 cheaper per million tokens. Overall, Gemini 2.5 Pro Preview 06-05 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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Gemini 2.5 Pro Preview was released as an early access version of Gemini 2.5 Pro, designed to allow developers and enterprises to experiment with next-generation capabilities before general availability. Built to gather feedback and demonstrate upcoming features, it provided a window into the evolution of Google's flagship model.
1 year newer
Gemini 1.5 Pro
2024-05-01
Gemini 2.5 Pro Preview 06-05
2025-06-05
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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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Gemini 2.5 Pro Preview 06-05
Input:$1.25
Output:$10.00($1.25 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Gemini 1.5 Pro
Average Score:59.6%
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Gemini 2.5 Pro Preview 06-05
Average Score:78.5%(+18.9%)
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Pro
2023-11-01
Gemini 2.5 Pro Preview 06-05
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 1.5 Pro
1 providers
Throughput: 85 tok/s
Latency: 0.7ms
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Gemini 2.5 Pro Preview 06-05
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Gemini 1.5 Pro
Avg Score:59.6%
Providers:1
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Gemini 2.5 Pro Preview 06-05
Avg Score:78.5%(+18.9%)
Providers:1