google Vision Reasoning

Gemini 3.5 Flash pricing & benchmarks

Released May 19, 2026 · served by 2 providers · ranked #15 by intelligence in our index

Input / 1M tokens$1.50
Output / 1M tokens$9.00
Context window1.0M
Cached input$0.150
Intelligence index50.2
Coding index70.1
Agentic index37.4
1M in + 300K out$4.20

What Gemini 3.5 Flash is

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...

Providers and prices for Gemini 3.5 Flash

The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.

ProviderInputOutputContext QuantUptime 24hThroughput
Googlecheapest $2.70 $16.20 1.0M 98.1%
Google AI Studio $2.70 $16.20 1.0M 100.0%

Gemini 3.5 Flash benchmark results

Design Arena head-to-head results, as reported through the OpenRouter model API.

CategoryArenaRankEloWin rate
agenticslides(python-pptx) agents #3 1242 57.8%
pptxslides agents #3 1244 57.7%
svg models #3 1297 62.2%
agenticslides agents #4 1244 57.5%
asciiart models #6 1299 60.9%
python-pptxslides agents #6 1247 57.4%
agentichtmlslides agents #7 1162 45.8%
agenticslides(html) agents #7 1162 45.7%
mobileapps agents #8 1247 55.3%
agenticgamedev agents #10 1188 53.9%
fullstack agents #10 1242 56.9%
gamedev models #12 1318 57.6%
webapps agents #12 1250 53.4%
androidnative agents #13 1219 51.6%
uicomponent models #14 1304 58.3%
htmlslides agents #15 1172 46.5%
3d models #19 1294 57.7%
codecategories models #19 1289 56.7%
godotgamedev agents #21 1135 42.6%
website models #21 1283 55.9%
dataviz models #30 1256 54.3%

Cheaper models in the same class

Models scoring within 4 points of Gemini 3.5 Flash on the Intelligence Index, but with a lower output price.

Compare Gemini 3.5 Flash head-to-head

FAQ

How much does the Gemini 3.5 Flash API cost?

$1.50 per 1M input tokens and $9.00 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $4.20.

Is Gemini 3.5 Flash free?

No. It is a paid model starting at $1.50 per 1M input tokens, though some providers offer trial credits.

Which provider is cheapest for Gemini 3.5 Flash?

Google at $2.70 input / $16.20 output per 1M tokens.

Can I self-host Gemini 3.5 Flash?

No. Gemini 3.5 Flash is closed-weight and only available through hosted APIs.