Grok 3 Mini Beta vs GPT-3.5 Turbo

Compare Grok 3 Mini Beta by xAI against GPT-3.5 Turbo by OpenAI, context windows of 131K vs 16K, tested across 7 shared challenges. Updated March 2026.

Which is better, Grok 3 Mini Beta or GPT-3.5 Turbo?

Grok 3 Mini Beta and GPT-3.5 Turbo are both competitive models. Grok 3 Mini Beta costs $0.4/M input tokens vs $1.5/M for GPT-3.5 Turbo. Context windows: 131K vs 16K tokens. Compare their real outputs side by side below.

Key Differences Between Grok 3 Mini Beta and GPT-3.5 Turbo

Grok 3 Mini Beta is made by xai while GPT-3.5 Turbo is from openai. Grok 3 Mini Beta has a 131K token context window compared to GPT-3.5 Turbo's 16K. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $1.5/M for GPT-3.5 Turbo.

Our Verdict
Grok 3 Mini Beta
Grok 3 Mini Beta
GPT-3.5 Turbo
GPT-3.5 Turbo

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
vs

Ask them anything yourself

Grok 3 Mini BetaGPT-3.5 Turbo
FAQ