Comprehensive side-by-side LLM comparison
Claude 3 Opus offers 134.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $88.30 cheaper per million tokens. Claude 3 Opus supports multimodal inputs. Claude 3 Opus is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
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 Opus
Anthropic
2024-02-29

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

Claude 3 Opus

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

Claude 3 Opus
Anthropic
Bedrock

Claude 3 Opus

Grok Code Fast 1

Claude 3 Opus

Grok Code Fast 1

Grok Code Fast 1
xAI