Comprehensive side-by-side LLM comparison
GPT-5 mini offers 265.9K more tokens in context window than DeepSeek-R1. Both models have similar pricing. GPT-5 mini supports multimodal inputs. DeepSeek-R1 is available on 5 providers. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-R1 was developed as a reasoning-focused language model, designed to combine chain-of-thought reasoning with reinforcement learning techniques. Built to excel at complex problem-solving through trial-and-error learning and deliberate analytical processes, it demonstrates the power of efficient training methods in open-source model 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
DeepSeek
2025-01-20

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

DeepSeek-R1

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

DeepSeek-R1
DeepInfra
DeepSeek
Fireworks
Together
ZeroEval

DeepSeek-R1

GPT-5 mini

DeepSeek-R1

GPT-5 mini

GPT-5 mini
OpenAI
ZeroEval