Gemini (Google)
Free tier available
- Free$0
- Google AI Pro$19.99/mo
- Google AI Ultra$249.99/mo
Our pickGemini (Google)

Grammarly
Tier-list head-to-head. Gemini (Google) takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | A-tierwin | A-tier |
| Overall score | 8.3 / 10win | 8.0 / 10 |
| Free tier | Yes | Yes |
| Starting price | $0 | $0 |
| Best for | Google Workspace power users. | Non-native English speakers, professionals who write lots of emails, and anyone who wants a passive grammar… |
| Last reviewed | 2026-05-07 | 2026-03-26 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
Free tier available
Free tier available
Gemini 3.1 Ultra benchmarks — Grammarly has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU | Knowledge across 57 subjects | 90.5% |
| GPQA Diamond | Graduate-level science questions | 94.3% |
| HumanEval | Python code generation | 93.5% |
| SWE-bench | Real GitHub issue fixing | 80.6% |
| ARC-AGI | Abstract reasoning puzzles | 77.1% |
The decision
Use-case anchors and category strengths, side by side.
Google Workspace power users. If you live in Gmail, Docs, and Drive, Gemini Advanced integrates directly into your workflow. Also great for developers who need the cheapest API with the longest context window.
Visit Gemini (Google)Non-native English speakers, professionals who write lots of emails, and anyone who wants a passive grammar net running in the background. It catches things you'd miss.
Visit GrammarlyBottom line
Gemini (Google) edges out Grammarly by 0.3 points (8.3 vs 8.0) -- a A-tier vs A-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for Gemini (Google)'s strengths, so if those categories are your priority, the lead translates.
Pricing-wise, both tools have a free tier (Gemini (Google) starts $0, Grammarly starts $0), so you can test either without committing. Compare what each free tier actually unlocks -- usage caps, model access, and feature gates differ a lot more than the headline price suggests, especially as both vendors have tightened limits in 2026.
By use case: pick Gemini (Google) when google workspace power users. Pick Grammarly when non-native english speakers, professionals who write lots of emails, and anyone who wants a passive grammar net running in the background. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Gemini (Google)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Grammarly's lane, the score gap matters less than the fit.
Bottom line: Gemini (Google) is the safer default for most readers, but Grammarly is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Full Gemini (Google) review
Tier A · 8.3/10
Full Grammarly review
Tier A · 8.0/10
Gemini (Google) alternatives
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Grammarly alternatives
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Built from our daily AI-tool sweep, last touched May 7, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.