+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Devstral-2-123B vs GPT-5.1 Thinking
Comprehensive side-by-side LLM comparison
GPT-5.1 Thinking supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
+
+
+
+
Mistral AI
Devstral 2, released by Mistral AI on December 9, 2025, is a 123 billion parameter dense transformer model specifically designed for software engineering tasks. It features a 256K token context window and achieved 72.2% on SWE-bench Verified at release, making it a competitive open-weight option for automated coding and agentic development. Devstral 2 targets code generation, multi-file software engineering, and agentic development workflows under a modified MIT license.
+
+
+
+
OpenAI
GPT-5.1 Thinking, released by OpenAI in November 2025, is an extended reasoning variant from the GPT-5.1 family that applies chain-of-thought processing to improve accuracy on complex reasoning, mathematics, and coding tasks. It targets analytical workflows where deliberate reasoning over a problem significantly improves output quality.
1 month newer
GPT-5.1 Thinking
OpenAI
2025-11
Devstral-2-123B
Mistral AI
2025-12-09
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Devstral-2-123B
1 providers
OpenRouter
+
+
+
+
GPT-5.1 Thinking
0 providers
+
+
+
+
Devstral-2-123B
Avg Score:0.0%
Providers:1
+
+
+
+
GPT-5.1 Thinking
Avg Score:0.0%
Providers:0