Grok Code Fast 1 vs Grok-3 - AI Comparison for Builders | airank.dev

Grok Code Fast 1 vs Grok-3

Comprehensive side-by-side LLM comparison

Grok-3 leads with 59.6% higher average benchmark score. Grok Code Fast 1 offers 130.0K more tokens in context window than Grok-3. Grok Code Fast 1 is $16.30 cheaper per million tokens. Grok-3 supports multimodal inputs. Overall, Grok-3 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-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2025 (93.3%), AIME 2024 (93.3%), GPQA (84.6%). It supports a 136K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.

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