Google · premium
Is Gemini 3.1 Pro Preview good?
Gemini 3.1 Pro Preview places top-3 in 6 of 22 task areas we tested. It's strongest at chef / home cooking and weakest at research & competitive analysis. It's a premium option ($14/1M tokens).
Our take
Strengths
Weak spots
How Gemini 3.1 Pro Preview ranks, task by task
Rank is the position in each field; Rating is the absolute quality bar. A model can be rated "Excellent" yet sit mid-table when the whole field is strong — and vice-versa.
| Task area | Rank | Percentile | Rating |
|---|---|---|---|
| Chef / Home Cooking | #1 of 50 |
|
Strong |
| Customer Support | #1 of 43 |
|
Strong |
| Landing Pages | #2 of 56 |
|
Strong |
| Creative & Comedy | #3 of 44 |
|
Elo |
| Summarization & Meeting Notes | #3 of 44 |
|
Excellent |
| Training & Education | #3 of 44 |
|
Excellent |
| Content & Brand | #5 of 50 |
|
Strong |
| Investor & Pitch | #5 of 50 |
|
Strong |
| AI Strategy | #6 of 50 |
|
Strong |
| RAG, Safety & Grounding | #5 of 35 |
|
Excellent |
| Legal & HR | #7 of 44 |
|
Excellent |
| Executive Assistant | #8 of 50 |
|
Strong |
| Presentations & Decks | #8 of 44 |
|
Excellent |
| Knowledge & Docs | #18 of 94 |
|
Strong |
| Translation & Localization | #9 of 44 |
|
Excellent |
| Structured Output | #9 of 43 |
|
Excellent |
| Frontend & Landing Pages | #23 of 93 |
|
Needs editing |
| Product & Project Management | #12 of 44 |
|
Strong |
| Data & Analytics | #22 of 69 |
|
Excellent |
| Sales | #17 of 44 |
|
Strong |
| Coding | #22 of 52 |
|
Strong |
| Research & Competitive Analysis | #20 of 44 |
|
Usable |
Industry benchmarks
Standardized third-party scores, shown for context — these are independent of our real-task tests.
Artificial Analysis indices
Design Arena — human preference (avg Elo 1284)
Headline vs. real-world
Gemini 3.1 Pro Preview punches above its headline benchmarks — it ranks higher on our real-world tasks than its Intelligence Index would suggest.
Source: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29) · Source: Design Arena (www.designarena.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29)
Like Gemini 3.1 Pro Preview, but…
Similar
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- Qwen3.7 Max Mid
Cheaper
- Qwen3.7 Max 64% cheaper
Smarter
No clear alternative.
Frequently asked
Is Gemini 3.1 Pro Preview any good?
Gemini 3.1 Pro Preview places top-3 in 6 of 22 task areas we benchmarked. It performs best at Chef / Home Cooking.
What is Gemini 3.1 Pro Preview best at?
Its strongest task areas are Chef / Home Cooking, Customer Support, Landing Pages.
Is there a cheaper alternative to Gemini 3.1 Pro Preview?
Qwen3.7 Max is 64% cheaper and stays competitive on quality across our benchmarks.
How we test & rank
Each model is scored on real tasks across 22 task areas by an LLM judge with deterministic checks. "Percentile" is this model's standing within each area's field; the cross-area figures are rank-based so quality and Elo scores are never mixed.
This page is Spring Prompt, running
We just did this for every model. Do it for your prompt.
The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.
- Generate test cases from your prompt — no eval set required to start.
- Compare models side by side with quality, cost and latency in one matrix.
- Optimise the winner until the scores say it's ready to ship.
Prompt × model results
12 test cases · 3 evals