Comprehensive side-by-side LLM comparison
GPT-5 nano leads with 46.4% higher average benchmark score. GPT-5 nano supports multimodal inputs. GPT-5 nano is available on 2 providers. Overall, GPT-5 nano is the stronger choice for coding tasks.
Gemini Diffusion was developed as a specialized model for image generation, designed to create high-quality visual content through diffusion-based techniques. Built to complement the text and multimodal capabilities of the Gemini family, it extends Google's AI capabilities into creative visual generation tasks.
OpenAI
GPT-5 Nano was developed as the most compact variant in the GPT-5 family, designed for deployment in resource-constrained environments and edge computing scenarios. Built to bring next-generation AI capabilities to devices and applications where latency and efficiency are paramount, it distills GPT-5 innovations into a minimal footprint.
2 months newer

Gemini Diffusion
2025-05-20

GPT-5 nano
OpenAI
2025-08-07
Context window and performance specifications
Average performance across 2 common benchmarks

Gemini Diffusion

GPT-5 nano
GPT-5 nano
2024-05-30
Available providers and their performance metrics

Gemini Diffusion

GPT-5 nano
OpenAI

Gemini Diffusion

GPT-5 nano

Gemini Diffusion

GPT-5 nano
ZeroEval