+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-5.1 vs o3 mini
Comprehensive side-by-side LLM comparison
GPT-5.1 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
+
+
+
+
OpenAI
GPT-5.1, released by OpenAI in November 2025, is a large language model from the GPT-5 family that delivers incremental improvements in reasoning, instruction following, and multimodal understanding over GPT-5. It features a 400K token context window and targets general-purpose development, long-context analysis, and agentic workflows.
+
+
+
+
OpenAI
OpenAI o3 mini, released by OpenAI in January 2025, is a compact reasoning model from the o3 family designed for efficient, cost-effective STEM problem-solving. It features a 200K token context window and adjustable chain-of-thought effort settings, allowing developers to trade reasoning depth for speed. o3 mini targets science, mathematics, and coding applications where lower inference cost and faster response times are a priority.
9 months newer
o3 mini
OpenAI
2025-01-31
GPT-5.1
OpenAI
2025-11
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-5.1
0 providers
+
+
+
+
o3 mini
1 providers
OpenAI
+
+
+
+
GPT-5.1
Avg Score:0.0%
Providers:0
+
+
+
+
o3 mini
Avg Score:0.0%
Providers:1