GPT-3.5 Turbo vs Grok Code Fast 1
Compare GPT-3.5 Turbo by OpenAI against Grok Code Fast 1 by xAI, context windows of 16K vs 256K, tested across 54 shared challenges. Updated April 2026.
Which is better, GPT-3.5 Turbo or Grok Code Fast 1?
GPT-3.5 Turbo and Grok Code Fast 1 are both competitive models. GPT-3.5 Turbo costs $1.5/M input tokens vs $0.2/M for Grok Code Fast 1. Context windows: 16K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-3.5 Turbo and Grok Code Fast 1
GPT-3.5 Turbo is made by openai while Grok Code Fast 1 is from xai. GPT-3.5 Turbo has a 16K token context window compared to Grok Code Fast 1's 256K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $0.2/M for Grok Code Fast 1.
No community votes yet. On paper, Grok Code Fast 1 has the edge — newer, bigger context window.
Style Comparison
Grok Code Fast 1 uses 280.1x more bold
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