Free AI platform comparison

Grok (xAI) vs Gemini (Google): Complete Comparison

Grok (xAI) 和 Gemini (Google) 深度对比：免费额度、API 价格、模型能力、中国大陆可用性，帮你选最合适的 AI 工具

Quick decision

Grok (xAI) vs Gemini (Google): Complete Comparison: pricing, free API, and limits

Quick answer: choose Grok (xAI) if its free tier, model family, or ecosystem fits your app better; choose Gemini (Google) if it gives better free API credits, pricing, or access for your workflow. This comparison focuses on free tier, API pricing, limits, setup, and practical alternatives.

Free tierGrok (xAI): Limited requests/day · Gemini (Google): No explicit limit

Free API$25/月 vs Free tier

Best checkCredits, rate limits, setup friction

DecisionTest both if rank, latency, or access matters

Grok (xAI) detailsFree tier, API credits, limits and setup Gemini (Google) detailsFree tier, API credits, limits and setup Free AI API directoryCompare all free credits and limits

👑

Grok (xAI)

85pts

1 wins

Gemini (Google)

70pts

1 wins

🏆 Overall, Grok (xAI) offers more free value (1/6 categories)

📊 Side-by-Side

🧠 Model Details

Grok (xAI)2 models

Grok 4.20

📐 128k⚡ Rate limited

xAI's latest flagship, reasoning + non-reasoning, lowest hallucination rate

Grok-3

📐 128k⚡ Rate limited

Free on X platform

Gemini (Google)3 models

Gemini 3.1 Pro

📐 2M⚡ Limited / AI Studio free tier varies

New flagship Gemini model with upgraded long-context and reasoning; free user / AI Studio free-tier access varies by region and quota.

Gemini 3.1 Flash

📐 1M⚡ 15 RPM (AI Studio free tier)

Fast model for high-frequency development and long-context tasks.

Gemini 3.1 Flash Lite

📐 1M⚡ 30 RPM (AI Studio free tier)

Lightweight fast variant for low-cost batch jobs and prototyping.

🎯 Which should you choose?

Choose Grok (xAI) if…

you want Limited requests/day on the free tier, plus $25/月 for API tests.

Choose Gemini (Google) if…

you want No explicit limit on the free tier, plus Free tier for API tests.

FAQ

Which is better, Grok (xAI) or Gemini (Google)?

Grok (xAI) scores higher in this free-tier comparison because it wins more of the measured categories. Still, the best choice depends on your exact needs: free chat access, API credits, open-source models, or rate limits.

Does Grok (xAI) have a free tier?

Yes. Grok (xAI) lists Limited requests/day for free users.

Does Gemini (Google) have a free tier?

Yes. Gemini (Google) lists No explicit limit for free users.

Which one is better for API experiments?

Grok (xAI) offers $25/月; Gemini (Google) offers Free tier. Choose the option with enough credits and rate limits for your prototype.

Source snapshot

Data source: yangmao.ai provider YAML tracker plus curated comparison notes. Official dashboards can change credits, limits, model availability, and pricing without notice; verify in the provider console before production.

yangmao.ai comparison slug: grok-vs-gemini
Grok (xAI) source: https://grok.x.ai
Gemini (Google) source: https://gemini.google.com
Dataset freshness: Grok (xAI): 2026-06-16 · Gemini (Google): 2026-06-16
Decision data: Free tier, API credits, rate limits, model list, China access notes, and curated comparison dimensions from the yangmao.ai provider tracker.

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