xAI: Grok Code Fast 1

Grok Code Fast 1, released by x-ai, is positioned as a speedy and economical reasoning model specializing in agentic coding, with a substantial context length of 256,000 tokens. Its overall performance indicates moderate speed, ranking in the 36th percentile, and moderate pricing, placing it in the 23rd percentile across seven benchmarks. A standout feature is its exceptional reliability, achieving a 100% success rate across all evaluated benchmarks, indicating minimal technical failures and consistent response delivery. The model demonstrates strong performance in several key areas. It achieved perfect accuracy in Ethics, Email Classification, and General Knowledge, often being the most accurate model at its price point or speed. Its coding capabilities are robust, scoring 93.0% accuracy, placing it in the 90th percentile. Reasoning and Instruction Following also show solid results at 80.0% and 75.0% accuracy respectively, indicating a good grasp of complex tasks. While its speed is moderate overall, it manages to be among the fastest for its accuracy in specific categories like Ethics and Email Classification. The model's ability to provide visible reasoning traces is a unique feature designed to enhance developer workflows. Its primary strength lies in its high accuracy across critical domains, particularly coding and general knowledge, coupled with its outstanding reliability. No significant weaknesses were identified in its performance across the evaluated benchmarks.