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Most Reliable Gemini 3.1 Pro Preview Inference Providers

Ranks providers by the uptime OpenRouter measured during the latest 30-minute window.

Google AI Studio currently ranks first at 99.13% via google-ai-studio.

Provider options:
6
Ranked:
6
Metric:
Uptime (last 30 min)

Highest uptime endpoint ranking

Rank providers by
Most Reliable Gemini 3.1 Pro Preview Inference Providers
RankProvider / routeUptime (last 30 min)Speed measurementsEndpoint details
#1Provider / route
Google AI Studiogoogle-ai-studio
Uptime (last 30 min)99.13%Speed measurements
500-token response
7.65 s
Response starts
2.85 s
Output speed
104.0 tok/s
Endpoint details
Input price
$2 / 1M tokens
Output price
$12 / 1M tokens
Uptime (30 min)
99.13%
Context
1M
#2Provider / route
Google AI Studiogoogle-ai-studio/flex
Uptime (last 30 min)99.13%Speed measurements
500-token response
Insufficient recent data
Response starts
Insufficient recent data
Output speed
Insufficient recent data
Endpoint details
Input price
$1 / 1M tokens
Output price
$6 / 1M tokens
Uptime (30 min)
99.13%
Context
1M
#3Provider / route
Google AI Studiogoogle-ai-studio/priority
Uptime (last 30 min)99.13%Speed measurements
500-token response
Insufficient recent data
Response starts
Insufficient recent data
Output speed
Insufficient recent data
Endpoint details
Input price
$3.6 / 1M tokens
Output price
$21.6 / 1M tokens
Uptime (30 min)
99.13%
Context
1M
#4Provider / route
Google Vertexgoogle-vertex/global
Uptime (last 30 min)96.15%Speed measurements
500-token response
8.51 s
Response starts
2.63 s
Output speed
85.0 tok/s
Endpoint details
Input price
$2 / 1M tokens
Output price
$12 / 1M tokens
Uptime (30 min)
96.15%
Context
1M
#5Provider / route
Google Vertexgoogle-vertex/global/flex
Uptime (last 30 min)96.15%Speed measurements
500-token response
Insufficient recent data
Response starts
Insufficient recent data
Output speed
Insufficient recent data
Endpoint details
Input price
$1 / 1M tokens
Output price
$6 / 1M tokens
Uptime (30 min)
96.15%
Context
1M
#6Provider / route
Google Vertexgoogle-vertex/global/priority
Uptime (last 30 min)96.15%Speed measurements
500-token response
Insufficient recent data
Response starts
Insufficient recent data
Output speed
Insufficient recent data
Endpoint details
Input price
$3.6 / 1M tokens
Output price
$21.6 / 1M tokens
Uptime (30 min)
96.15%
Context
1M

Endpoint data fetched .

Gemini 3.1 Pro Preview endpoint guide

How to interpret the Most Reliable Gemini 3.1 Pro Preview Inference Providers

6 of 6 Gemini 3.1 Pro Preview endpoints currently have the published data required for this ranking. Google AI Studio leads at 99.13% via google-ai-studio. The table keeps unranked routes visible so missing measurements do not look like missing provider availability.

How recent uptime is ranked

The reliability ranking uses the published 30-minute endpoint uptime measurement. This short operational window can reveal current instability, but it is not a service-level agreement or a substitute for longer-term availability monitoring.

Compare Google AI Studio with the next option

Google AI Studio currently ranks second at 99.13%. Compare that gap with input and output price, response-start time, output speed, 30-minute uptime, context length, and the exact route before deciding whether first place is meaningful for your workload.

Use the route, not only the provider name

Gemini 3.1 Pro Preview has 6 published provider options, and performance data is matched to each exact OpenRouter routing tag. Different quantization, context, regional deployment, or provider configuration can change price and behavior even when the underlying model name is identical.