Free AI platform comparison

Gemini vs ChatGPT: Google vs OpenAI Comparison 2026

Gemini 和 ChatGPT 全面对比:免费额度、多模态、API 价格、搜索能力,帮你选最合适的 AI

Quick decision

Gemini vs ChatGPT: Google vs OpenAI Comparison 2026: pricing, free API, and limits

Quick answer: choose Gemini (Google) if its free tier, model family, or ecosystem fits your app better; choose ChatGPT (OpenAI) 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 tierGemini (Google): No explicit limit · ChatGPT (OpenAI): Limited requests/day
Free APIFree tier vs No
Best checkCredits, rate limits, setup friction
DecisionTest both if rank, latency, or access matters
👑Gemini (Google)

Gemini (Google)

70pts
1 wins
VS
ChatGPT (OpenAI)

ChatGPT (OpenAI)

55pts
1 wins

🏆 Overall, Gemini (Google) offers more free value (1/6 categories)

📊 Side-by-Side

Category
Gemini (Google)
ChatGPT (OpenAI)
Free Tier
✅ No explicit limit
✅ Limited requests/day
Free API
✅ Free tier
❌ None
Rate Limit
15 RPM
N/A
Open Source
❌ No
❌ No
Free Models
3
6
GitHub Stars
-
-

🧠 Model Details

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.
ChatGPT (OpenAI)6 models
GPT-5.5
📐 1000k⚡ Plus/Pro only
Released April 2026, smartest model, major upgrade for coding/research/analysis. API $5/M input, $30/M output
GPT-5.5-Cyber
📐 1000k⚡ Trusted Access / enterprise-limited
GPT-5.5 variant for trusted-access cybersecurity use cases, including security evaluation, vulnerability analysis, and defensive workflows; availability is gated through OpenAI trusted access.
GPT-5.5 Pro
📐 1050k⚡ Pro only
Deep reasoning variant for complex high-stakes tasks. API $30/M input, $180/M output
GPT-5.4
📐 128k⚡ Plus/Pro
Previous flagship, still powerful
GPT-4o mini
📐 128k⚡ Rate limited
Available to free users, fast
GPT-4o
📐 128k⚡ Very limited
Very limited for free users

🎯 Which should you choose?

Choose Gemini (Google) if…

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

Choose ChatGPT (OpenAI) if…

you want Limited requests/day on the free tier.

FAQ

Which is better, Gemini (Google) or ChatGPT (OpenAI)?

Gemini (Google) 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 Gemini (Google) have a free tier?

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

Does ChatGPT (OpenAI) have a free tier?

Yes. ChatGPT (OpenAI) lists Limited requests/day for free users.

Which one is better for API experiments?

Gemini (Google) offers Free tier; ChatGPT (OpenAI) has no clearly listed free API credits. 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
gemini-vs-chatgpt
Gemini (Google) source
https://gemini.google.com
ChatGPT (OpenAI) source
https://chat.openai.com
Dataset freshness
Gemini (Google): 2026-06-15 · ChatGPT (OpenAI): 2026-06-15
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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