+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Gemini Diffusion vs GPT-5 Codex
Comprehensive side-by-side LLM comparison
Gemini Diffusion leads with 39.5% higher average benchmark score. Overall, Gemini Diffusion is the stronger choice for coding tasks.
+
+
+
+
Gemini Diffusion is a language model developed by Google. The model shows competitive results across 10 benchmarks. It excels particularly in HumanEval (89.6%), MBPP (76.0%), Global-MMLU-Lite (69.1%). Released in 2025, it represents Google's latest advancement in AI technology.
+
+
+
+
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.
3 months newer
Gemini Diffusion
2025-05-20
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 10 common benchmarks
+
+
+
+
Gemini Diffusion
Average Score:46.9%(+39.5%)
+
+
+
+
GPT-5 Codex
Average Score:7.4%
+
+
+
+
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
+
+
+
+
Gemini Diffusion
0 providers
+
+
+
+
GPT-5 Codex
0 providers
+
+
+
+
Gemini Diffusion
Avg Score:46.9%(+39.5%)
Providers:0
+
+
+
+
GPT-5 Codex
Avg Score:7.4%
Providers:0