Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 31.3% higher average benchmark score. Gemini 1.5 Flash offers 528.8K more tokens in context window than GPT-5 mini. Gemini 1.5 Flash is $1.50 cheaper per million tokens. Overall, GPT-5 mini is the stronger choice for coding tasks.
Gemini 1.5 Flash was created as a fast and efficient multimodal model, designed to provide quick responses while handling text, images, and other modalities. Built for applications requiring low latency and high throughput, it balances capability with speed to serve real-time and high-volume use cases.
OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
1 year newer

Gemini 1.5 Flash
2024-05-01

GPT-5 mini
OpenAI
2025-08-07
Cost per million tokens (USD)

Gemini 1.5 Flash

GPT-5 mini
Context window and performance specifications
Average performance across 1 common benchmarks

Gemini 1.5 Flash

GPT-5 mini
Gemini 1.5 Flash
2023-11-01
GPT-5 mini
2024-05-30
Available providers and their performance metrics

Gemini 1.5 Flash

GPT-5 mini

Gemini 1.5 Flash

GPT-5 mini

Gemini 1.5 Flash

GPT-5 mini
OpenAI
ZeroEval