+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-5 Pro vs GPT-OSS-120B
Comprehensive side-by-side LLM comparison
GPT-5 Pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
+
+
+
+
OpenAI
GPT-5 Pro is an extended-reasoning variant from the GPT-5 family that applies more compute per response for deeper, more thorough answers on complex problems. It features the same 400K token context window and multimodal capabilities as GPT-5, with additional reasoning depth suited to research-grade analysis, advanced coding, and tasks requiring comprehensive, accurate outputs.
+
+
+
+
OpenAI
GPT-OSS-120B, released by OpenAI in August 2025, is an open-weight large language model with 120 billion parameters distributed under the Apache 2.0 license. It represents OpenAI's entry into the open-source model space, enabling developers to self-host and fine-tune a GPT-5-generation-class model. GPT-OSS-120B targets research applications, on-premises deployments, and custom fine-tuning workflows requiring a large open-weight base model.
6 days newer
GPT-OSS-120B
OpenAI
2025-08
GPT-5 Pro
OpenAI
2025-08-07
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-5 Pro
0 providers
+
+
+
+
GPT-OSS-120B
1 providers
Hugging Face
+
+
+
+
GPT-5 Pro
Avg Score:0.0%
Providers:0
+
+
+
+
GPT-OSS-120B
Avg Score:0.0%
Providers:1