Comprehensive side-by-side LLM comparison
GPT OSS 120B is $2.20 cheaper per million tokens. 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-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
6 months newer

DeepSeek-R1
DeepSeek
2025-01-20

GPT OSS 120B
OpenAI
2025-08-05
Cost per million tokens (USD)

DeepSeek-R1

GPT OSS 120B
Context window and performance specifications
Available providers and their performance metrics

DeepSeek-R1
DeepInfra
DeepSeek
Fireworks
Together
ZeroEval

DeepSeek-R1

GPT OSS 120B

DeepSeek-R1

GPT OSS 120B

GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval