Comprehensive side-by-side LLM comparison
Claude 3 Sonnet offers 134.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $16.30 cheaper per million tokens. Claude 3 Sonnet supports multimodal inputs. Claude 3 Sonnet is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude 3 Sonnet was introduced as the balanced middle tier of the Claude 3 family, offering a combination of strong capabilities and operational speed. Designed to provide an optimal tradeoff between intelligence and performance for everyday tasks, it served as a versatile solution for a wide range of enterprise and consumer applications.
xAI
Grok Code Fast was developed as a specialized coding model optimized for speed, designed to provide rapid code completion, generation, and assistance. Built to serve developers requiring quick feedback and iterative coding support, it combines programming expertise with low-latency responses.
1 year newer

Claude 3 Sonnet
Anthropic
2024-02-29

Grok Code Fast 1
xAI
2025-08-28
Cost per million tokens (USD)

Claude 3 Sonnet

Grok Code Fast 1
Context window and performance specifications
Available providers and their performance metrics

Claude 3 Sonnet
Anthropic
Bedrock

Claude 3 Sonnet

Grok Code Fast 1

Claude 3 Sonnet

Grok Code Fast 1

Grok Code Fast 1
xAI