+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-5.2 vs GPT-5.2 Codex
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 2.1% higher average benchmark score. GPT-5.2 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
+
+
+
+
OpenAI
GPT-5.2, released by OpenAI on December 11, 2025, is a large language model from the GPT-5 family that improves on GPT-5 in general intelligence, long-context understanding, agentic tool-calling, and vision. It features a 400K token context window, 128K maximum output tokens, and a knowledge cutoff of August 2025. GPT-5.2 targets long-context coding tasks, extended document analysis, and complex agentic workflows requiring reliable instruction following.
+
+
+
+
OpenAI
GPT-5.2 Codex is a coding-specialized variant from the GPT-5.2 family, designed for software engineering workflows including automated code generation, multi-file editing, and agentic development. It builds on GPT-5.2's improved instruction following and long-context capabilities, with optimizations specifically targeting programming tasks and agentic software workflows.
1 month newer
GPT-5.2
OpenAI
2025-12-11
GPT-5.2 Codex
OpenAI
2026-01-14
Average performance across 2 common benchmarks
+
+
+
+
GPT-5.2
Average Score:57.9%(+2.1%)
+
+
+
+
GPT-5.2 Codex
Average Score:55.8%
Performance comparison across key benchmark categories
+
+
+
+
GPT-5.2
Coding57.9%(+2.1%)
+
+
+
+
GPT-5.2 Codex
Coding55.8%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
GPT-5.2
2025-08
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-5.2
0 providers
+
+
+
+
GPT-5.2 Codex
0 providers
+
+
+
+
GPT-5.2
Avg Score:57.9%(+2.1%)
Providers:0
+
+
+
+
GPT-5.2 Codex
Avg Score:55.8%
Providers:0