Model specification · Google

Gemini 3.1 Pro Preview

google/gemini-3.1-pro-preview

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

SpecificationsReported values
Context window
1.0M
Maximum output
66K
Architecture
text+image+file+audio+video->text
Tokenizer
Gemini
Knowledge cutoff
Moderated
No
Input modalities
audio file image text video
Output modalities
text
Full pricingUSD where reported
PriceStandard
Input$2.00 / M
Output$12.00 / M
Benchmark indexesReported indexes
Intelligence
46.5
Coding
68.8
Agentic
21.4
Design Arena Elo
1201
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.032
Long analysis100K / 4K × 150%$0.158
Workday20K / 2K × 1,00030%$53.20
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Gemini 3.1 Flash Lite Preview1.0M$0.250$1.5025
Gemma 3 27B262K$0.080$0.4507.4
Gemma 3 12B131K$0.050$0.1505.5