Comprehensive side-by-side LLM comparison
Claude 3.7 Sonnet is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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.
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.
9 months newer

Claude 3.7 Sonnet
Anthropic
2025-02-24

GPT-5.2
OpenAI
2025-12-11
Context window and performance specifications
Claude 3.7 Sonnet
2024-10
GPT-5.2
2025-08
Available providers and their performance metrics
Claude 3.7 Sonnet
Anthropic
AWS Bedrock
Google Cloud Vertex AI
GPT-5.2
Claude 3.7 Sonnet
GPT-5.2
Claude 3.7 Sonnet
GPT-5.2