Gemini 3.1 Pro Preview

by Google

Google's frontier Gemini — multimodal native, 2M-token context, strong on long-form reasoning.

VisionToolsStructured outputFilesAudioVideo
Context window
1.0M
Max output
66K
Input price
$2.00 /1M
Output price
$12.00 /1M

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Global rank#4 of 505 LLMs
TierFrontier
Output speed126 tok/s
First token25.46s
Intelligence Index57.2
Coding Index55.5
GPQA Diamond
94%
Humanity's Last Exam
45%
SciCode
59%
IFBench
77%
Long-context reasoning
73%
Terminal-Bench Hard
54%
τ²-Bench Telecom
96%

Available routes

The same Gemini 3.1 Pro Preview runs on 2 different routes through the Opper gateway. Each route has its own data-handling posture.

ProviderRegionZero data retentionTrainingLoggingContractInputOutput
GeminiUSNoneConditional
Abuse monitoring (window not specified in public docs)
PAYG$2.00$12.00
Google CloudUSOpt-inNo
Abuse-monitoring logs + 24h cache. Search/Maps grounding adds 30-day retention.
PAYG$2.00$12.00

Human review: Abuse-flagged only

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Gemini 3.1 Pro Preview by Google — pricing, benchmarks, hosting routes | Opper AI