Comprehensive side-by-side LLM comparison
GPT-5 nano offers 265.9K more tokens in context window than DeepSeek-R1. GPT-5 nano is $2.29 cheaper per million tokens. GPT-5 nano 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 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.
6 months newer

DeepSeek-R1
DeepSeek
2025-01-20

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

DeepSeek-R1

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

DeepSeek-R1
DeepInfra
DeepSeek
Fireworks
Together
ZeroEval

DeepSeek-R1

GPT-5 nano

DeepSeek-R1

GPT-5 nano

GPT-5 nano
OpenAI
ZeroEval