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GPT-5 Codex vs Grok 2
Comprehensive side-by-side LLM comparison
Grok 2 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-5 Codex, released by OpenAI in August 2025, is a coding-specialized large language model from the GPT-5 family engineered for software engineering, code generation, and agentic development workflows. It builds on GPT-5's architecture with optimizations targeting multi-file code editing, test generation, and automated debugging. GPT-5 Codex targets developers and agentic coding tools requiring a model tuned specifically for programming tasks.
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xAI
Grok 2, released by xAI in August 2024, is a large language model with 131K token context window and native image understanding, developed with access to real-time information from the X platform. It features multimodal input capabilities and improved reasoning over its predecessor. Grok 2 targets conversational assistants, image analysis, and real-time information retrieval tasks via the xAI API.
11 months newer
Grok 2
xAI
2024-08-14
GPT-5 Codex
OpenAI
2025-08
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 Codex
0 providers
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Grok 2
1 providers
xAI
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GPT-5 Codex
Avg Score:0.0%
Providers:0
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Grok 2
Avg Score:0.0%
Providers:1