Google · premium
Is Gemini 3.5 Flash good?
Gemini 3.5 Flash places top-3 in 1 of 22 task areas we tested. It's strongest at frontend & landing pages and weakest at investor & pitch. It's a premium option ($10.5/1M tokens).
Our take
Strengths
Weak spots
How Gemini 3.5 Flash 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 |
|---|---|---|---|
| Frontend & Landing Pages | #4 of 93 |
|
Usable |
| RAG, Safety & Grounding | #3 of 35 |
|
Excellent |
| Landing Pages | #6 of 56 |
|
Strong |
| Training & Education | #5 of 44 |
|
Excellent |
| Coding | #6 of 52 |
|
Strong |
| Content & Brand | #6 of 50 |
|
Strong |
| AI Strategy | #8 of 50 |
|
Strong |
| Customer Support | #10 of 43 |
|
Strong |
| Chef / Home Cooking | #13 of 50 |
|
Usable |
| Presentations & Decks | #12 of 44 |
|
Excellent |
| Structured Output | #12 of 43 |
|
Excellent |
| Data & Analytics | #19 of 69 |
|
Excellent |
| Summarization & Meeting Notes | #14 of 44 |
|
Excellent |
| Product & Project Management | #16 of 44 |
|
Strong |
| Knowledge & Docs | #34 of 94 |
|
Strong |
| Sales | #18 of 44 |
|
Strong |
| Creative & Comedy | #20 of 44 |
|
Elo |
| Executive Assistant | #25 of 50 |
|
Strong |
| Research & Competitive Analysis | #23 of 44 |
|
Usable |
| Translation & Localization | #25 of 44 |
|
Excellent |
| Legal & HR | #30 of 44 |
|
Strong |
| Investor & Pitch | #37 of 50 |
|
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 1308)
Headline vs. real-world
Gemini 3.5 Flash looks strong on paper but underperforms on our real-world tasks relative to its Intelligence Index.
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)
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Frequently asked
Is Gemini 3.5 Flash any good?
Gemini 3.5 Flash places top-3 in 1 of 22 task areas we benchmarked. It performs best at Frontend & Landing Pages.
What is Gemini 3.5 Flash best at?
Its strongest task areas are Frontend & Landing Pages, RAG, Safety & Grounding, Landing Pages.
Is there a cheaper alternative to Gemini 3.5 Flash?
Qwen3.7 Max is 52% 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