Gemini 3.5 Flash benchmarks, pricing and specs
Gemini 3.5 Flash is a Google model released on May 19, 2026 that takes text, image, audio and video input and produces text. Its price is not published and accepts up to 1,048,576 tokens of context. It scores 1478 Elo on Arena Text, #16 of 39 current models (Arena, measured October 8, 2026).
- Context window
- 1.05M
- Arena Text
- 1478 Elo · #16/39
Data verified October 12, 2026 · Dataset 2026-10-12
Key facts
- Provider
- Model family
- Gemini 3.5
- Release date
- May 19, 2026
- Status
- Current
- Access
- API only
- API model id
- Not reported
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Input
- text, image, audio, video
- Output
- text
- Task families
- text, multimodal
- Declared capabilities
- reasoning
Gemini 3.5 Flash pricing
Independent benchmark results
Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. Google's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.
| Benchmark | Score | Rank | Measured | Source |
|---|---|---|---|---|
| Arena Text | 1478 Elo | #16 of 39 | October 8, 2026 | Arena · 2026-10-12 |
| GPQA Diamond | 92.8% | #16 of 37 | October 12, 2026 | Epoch AI · 2026-10-12 |
| FrontierMath Tiers 1-3 (v2) | 62.8% | #25 of 37 | October 12, 2026 | Epoch AI · 2026-10-12 |
| SimpleQA Verified | 66.2% | #11 of 34 | October 12, 2026 | Epoch AI · 2026-10-12 |
| LiveBench Overall | 74.64 points | #5 of 5 | June 25, 2026 | LiveBench · 2026-06-25 |
Strengths, cautions and best uses
Strengths
- Gemini 3.5 Flash supports text, image, audio, and video inputs with a 1,048,576-token input limit
Cautions
- Exact current token prices are not represented because the approved source set does not establish a single untiered rate
Best for
- Long-context multimodal and agentic evaluations
Alternatives to Gemini 3.5 Flash
The closest current textmodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.
Claude Opus 4.8
- 3 points higher on Arena Text, 1481 vs 1478
- From Anthropic
Gemini 3.1 Flash-Lite
- 11 points lower on GPQA Diamond, 81.8 vs 92.8
Claude Fable 5
- 26 points higher on Arena Text, 1504 vs 1478
- From Anthropic
GPT-5.5
- 4 points higher on Arena Text, 1482 vs 1478
- From OpenAI
Compare Gemini 3.5 Flash with
Articles about Gemini 3.5 Flash
Other Gemini 3.5 models
Gemini 3.5 Flash FAQ
What is the context window of Gemini 3.5 Flash?
Gemini 3.5 Flash accepts up to 1,048,576 tokens of context. It can return up to 65,536 tokens in one response. That ranks #10 of 44 current text models by context length.
How does Gemini 3.5 Flash score on independent benchmarks?
Gemini 3.5 Flash scores 1478 Elo on Arena Text, #16 of 39 current models (Arena, measured October 8, 2026), 92.8% on GPQA Diamond, #16 of 37 current models (Epoch AI, measured October 12, 2026) and 62.8% on FrontierMath Tiers 1-3 (v2), #25 of 37 current models (Epoch AI, measured October 12, 2026). These are independent evaluations, not Google's own launch figures.
Is Gemini 3.5 Flash open source or API only?
Gemini 3.5 Flash is available through Google's API only; its weights are not published.
What are the best alternatives to Gemini 3.5 Flash?
The closest current alternatives by price and measured performance are Claude Opus 4.8 (3 points higher on Arena Text, 1481 vs 1478), Gemini 3.1 Flash-Lite (11 points lower on GPQA Diamond, 81.8 vs 92.8), Claude Fable 5 (26 points higher on Arena Text, 1504 vs 1478) and GPT-5.5 (4 points higher on Arena Text, 1482 vs 1478).
Sources
- Gemini API release notes · Google · official · verified August 18, 2026 · CC-BY-4.0
- Gemini 3.5 Flash model · Google · official · verified August 7, 2026 · CC-BY-4.0
- LiveBench 2026-06-25 task results · LiveBench · independent · verified August 7, 2026 · Apache-2.0
- Epoch AI Benchmarking Hub data (benchmark_data.zip) · Epoch AI · independent · verified October 12, 2026 · CC-BY-4.0
- Arena leaderboard dataset (lmarena-ai/leaderboard-dataset) · Arena · independent · verified October 12, 2026 · CC-BY-4.0
Cite this page
Van Data Team. "Gemini 3.5 Flash Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-12. https://vandatateam.com/ai-model-benchmarks/gemini-3-5-flash
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Production evaluation
Deciding whether Gemini 3.5 Flash fits your workload?
Public benchmarks narrow the shortlist. We test the finalists on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- Evaluation cases and acceptance thresholds tied to real work
- Model routing, fallbacks and cost controls