Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 39.2% higher average benchmark score. Both models have similar pricing. Gemma 3 12B supports multimodal inputs. GPT OSS 120B is available on 5 providers. Overall, GPT OSS 120B is the stronger choice for coding tasks.
Gemma 3 12B was developed as part of the third generation of Google's open-source model family, designed to provide enhanced capabilities in a mid-sized format. Built with improved architecture and training techniques, it balances performance with practical deployment considerations for diverse use cases.
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

Gemma 3 12B
2025-03-12

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

Gemma 3 12B

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

Gemma 3 12B

GPT OSS 120B
Available providers and their performance metrics

Gemma 3 12B
DeepInfra

GPT OSS 120B

Gemma 3 12B

GPT OSS 120B

Gemma 3 12B

GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval