Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 11.7% higher average benchmark score. DeepSeek-V3 0324 offers 65.5K more tokens in context window than GPT OSS 120B. GPT OSS 120B is $0.88 cheaper per million tokens. GPT OSS 120B is available on 5 providers. Overall, GPT OSS 120B is the stronger choice for coding tasks.
DeepSeek
DeepSeek-V3-0324 represents a specific release iteration of DeepSeek-V3, developed to incorporate ongoing improvements and refinements. Built to provide enhanced stability and performance based on deployment learnings, it continues the evolution of the DeepSeek-V3 architecture with iterative enhancements.
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.
4 months newer

DeepSeek-V3 0324
DeepSeek
2025-03-25

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

DeepSeek-V3 0324

GPT OSS 120B
Context window and performance specifications
Average performance across 1 common benchmarks

DeepSeek-V3 0324

GPT OSS 120B
Available providers and their performance metrics

DeepSeek-V3 0324
Novita

GPT OSS 120B

DeepSeek-V3 0324

GPT OSS 120B

DeepSeek-V3 0324

GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval