Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 9.0% higher average benchmark score. GPT-5 mini supports multimodal inputs. GPT-5 mini is available on 2 providers. Overall, GPT-5 mini is the stronger choice for coding tasks.
DeepSeek
DeepSeek-R1-Zero was introduced as an experimental variant trained with minimal human supervision, designed to develop reasoning patterns through self-guided reinforcement learning. Built to explore how models can discover analytical strategies independently, it represents research into autonomous reasoning capability development.
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.
6 months newer

DeepSeek R1 Zero
DeepSeek
2025-01-20

GPT-5 mini
OpenAI
2025-08-07
Context window and performance specifications
Average performance across 1 common benchmarks

DeepSeek R1 Zero

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

DeepSeek R1 Zero

GPT-5 mini
OpenAI

DeepSeek R1 Zero

GPT-5 mini

DeepSeek R1 Zero

GPT-5 mini
ZeroEval