Comprehensive side-by-side LLM comparison
Grok 4 offers 14.5K more tokens in context window than Claude 3.7 Sonnet. Claude 3.7 Sonnet is $12.00 cheaper per million tokens. 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.
xAI
Grok 4, released by xAI on July 10, 2025, is a large language model featuring first-principles reasoning and comprehensive multimodal support. It features a 260K token context window and demonstrated strong performance on advanced reasoning and coding benchmarks. Grok 4 targets complex multi-step reasoning tasks, scientific analysis, and agentic workflows via the xAI API.
4 months newer

Claude 3.7 Sonnet
Anthropic
2025-02-24

Grok 4
xAI
2025-07-10
Cost per million tokens (USD)
Claude 3.7 Sonnet
Grok 4
Context window and performance specifications
Claude 3.7 Sonnet
2024-10
Available providers and their performance metrics
Claude 3.7 Sonnet
Anthropic
AWS Bedrock
Google Cloud Vertex AI
Grok 4
Claude 3.7 Sonnet
Grok 4
Claude 3.7 Sonnet
Grok 4
xAI