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Claude 3.7 Sonnet vs GPT-5.2 Codex
Comprehensive side-by-side LLM comparison
Claude 3.7 Sonnet supports multimodal inputs. Claude 3.7 Sonnet is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Sonnet 3.7, released by Anthropic in February 2025, is a large language model from the Claude 3 family featuring hybrid reasoning with configurable extended thinking. It supports a 200K token context window, 64K maximum output tokens (128K in beta), and native image understanding. Sonnet 3.7 targets complex coding, mathematics, and scientific reasoning tasks where extended chain-of-thought processing provides meaningful improvements in output quality.
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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.
10 months newer
Claude 3.7 Sonnet
Anthropic
2025-02-24
GPT-5.2 Codex
OpenAI
2026-01-14
Performance Metrics
Context window and performance specifications
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Knowledge Cutoff
Training data recency comparison
Claude 3.7 Sonnet
2024-10
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.7 Sonnet
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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GPT-5.2 Codex
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Claude 3.7 Sonnet
Avg Score:0.0%
Providers:3
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GPT-5.2 Codex
Avg Score:0.0%
Providers:0