Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 18.7% higher average benchmark score. GPT OSS 120B offers 6.1K more tokens in context window than Llama 3.2 90B Instruct. Both models have similar pricing. Llama 3.2 90B Instruct supports multimodal inputs. Overall, GPT OSS 120B is the stronger choice for coding tasks.
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.
Meta
Llama 3.2 90B was developed as a flagship-tier open-source model, designed to provide advanced capabilities with 90 billion parameters. Built to serve applications requiring high-quality reasoning and generation, it represents a powerful option within the Llama 3.2 series for demanding tasks.
10 months newer

Llama 3.2 90B Instruct
Meta
2024-09-25

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

GPT OSS 120B

Llama 3.2 90B Instruct
Context window and performance specifications
Average performance across 2 common benchmarks

GPT OSS 120B

Llama 3.2 90B Instruct
Available providers and their performance metrics

GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval

GPT OSS 120B

Llama 3.2 90B Instruct

GPT OSS 120B

Llama 3.2 90B Instruct

Llama 3.2 90B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic
Together