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

Google Antigravity
Gemini 3.5 Flash / Gemini 3.1 Pro / Claude Opus 4.6 / GPT-OSS 120B (multi-model). Gemini 3.5 Flash added at I/O 2026 (2026-05-19) and is the model behind the antigravity-preview-05-2026 Managed Agent.
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 |
| Powered by | — | Gemini 3.5 Flash / Gemini 3.1 Pro / Claude Opus 4.6 / GPT-OSS 120B (multi-model). Gemini 3.5 Flash added at I/O 2026 (2026-05-19) and is the model behind the antigravity-preview-05-2026 Managed Agent. |
| Free tier | Yes | Yes |
| Starting price | $0 | $0 |
| Best for | Google Workspace power users. | Developers working on large, multi-file projects who want to parallelize their workflow. |
| Last reviewed | 2026-05-21 | 2026-05-20 |
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 3.5 Flash (vendor-published 2026-05-19; third-party verification pending) -- legacy 3.1 Ultra retained below for context benchmarks — Google Antigravity has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| Terminal-Bench 2.1 | 76.2% | |
| MCP Atlas | 83.6% | |
| CharXiv Reasoning (multimodal) | 84.2% | |
| MMLU (3.1 Ultra baseline) | 90.5% | |
| SWE-bench Verified (3.1 Ultra baseline) | 80.6% |
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)Developers working on large, multi-file projects who want to parallelize their workflow. If you regularly work on 3-5 tasks simultaneously (fix a bug, add a feature, write tests, refactor), Antigravity's multi-agent architecture is unmatched.
Visit Google AntigravityBottom line
Gemini (Google) edges out Google Antigravity 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, Google Antigravity 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 Google Antigravity when developers working on large, multi-file projects who want to parallelize their workflow. 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 Google Antigravity's lane, the score gap matters less than the fit.
Bottom line: Gemini (Google) is the safer default for most readers, but Google Antigravity 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 Google Antigravity review
Tier A · 8.0/10
Gemini (Google) alternatives
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Google Antigravity alternatives
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Built from our daily AI-tool sweep, last touched May 21, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.