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Gemma 2 27B vs GPT-5 Codex
Comprehensive side-by-side LLM comparison
Gemma 2 27B leads with 60.7% higher average benchmark score. Overall, Gemma 2 27B is the stronger choice for coding tasks.
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Gemma 2 27B is a language model developed by Google. It achieves strong performance with an average score of 69.1% across 16 benchmarks. It excels particularly in ARC-E (88.6%), HellaSwag (86.4%), BoolQ (84.8%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2024, it represents Google's latest advancement in AI technology.
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OpenAI
GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.
1 year newer
Gemma 2 27B
2024-06-27
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 17 common benchmarks
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Gemma 2 27B
Average Score:65.1%(+60.7%)
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GPT-5 Codex
Average Score:4.4%
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Knowledge Cutoff
Training data recency comparison
GPT-5 Codex
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 Codex
0 providers
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Gemma 2 27B
Avg Score:65.1%(+60.7%)
Providers:0
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GPT-5 Codex
Avg Score:4.4%
Providers:0