Comprehensive side-by-side LLM comparison
Grok-1.5 leads with 50.4% higher average benchmark score. Overall, Grok-1.5 is the stronger choice for coding tasks.
xAI
Grok Code Fast 1 is a language model developed by xAI. It achieves strong performance with an average score of 70.8% across 1 benchmarks. Notable strengths include SWE-Bench Verified (70.8%). It supports a 266K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents xAI's latest advancement in AI technology.
xAI
Grok-1.5 is a language model developed by xAI. It achieves strong performance with an average score of 63.9% across 9 benchmarks. It excels particularly in GSM8k (90.0%), DocVQA (85.6%), MMLU (81.3%). Released in 2024, it represents xAI's latest advancement in AI technology.
1 year newer
Grok-1.5
xAI
2024-03-28
Grok Code Fast 1
xAI
2025-08-28
Context window and performance specifications
Average performance across 10 common benchmarks
Grok Code Fast 1
Grok-1.5
Available providers and their performance metrics
Grok Code Fast 1
xAI
Grok-1.5
Grok Code Fast 1
Grok-1.5
Grok Code Fast 1
Grok-1.5