Comprehensive side-by-side LLM comparison
GPT-5 offers 265.9K more tokens in context window than DeepSeek-R1. DeepSeek-R1 is $8.51 cheaper per million tokens. GPT-5 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 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
6 months newer

DeepSeek-R1
DeepSeek
2025-01-20

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

DeepSeek-R1

GPT-5
Context window and performance specifications
GPT-5
2024-09-30
Available providers and their performance metrics

DeepSeek-R1
DeepInfra
DeepSeek
Fireworks
Together
ZeroEval

DeepSeek-R1

GPT-5

DeepSeek-R1

GPT-5

GPT-5
OpenAI
ZeroEval