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Gemma 2 27B vs GPT-5
Comprehensive side-by-side LLM comparison
GPT-5 leads with 33.8% higher average benchmark score. GPT-5 supports multimodal inputs. GPT-5 is available on 2 providers. Overall, GPT-5 is the stronger choice for coding tasks.
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Gemma 2 27B was developed as an open-source language model with 27 billion parameters, designed to provide researchers and developers with a capable, instruction-tuned model for experimentation and deployment. Built to democratize access to advanced language understanding, it combines strong performance with the flexibility of open-source licensing.
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OpenAI
GPT-5 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
1 year newer
Gemma 2 27B
2024-06-27
GPT-5
OpenAI
2025-08-07
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Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Gemma 2 27B
Average Score:56.4%
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GPT-5
Average Score:90.2%(+33.8%)
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Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Gemma 2 27B
0 providers
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GPT-5
2 providers
OpenAI
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Gemma 2 27B
Avg Score:56.4%
Providers:0
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GPT-5
Avg Score:90.2%(+33.8%)
Providers:2