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Most Reliable Gemini 3.5 Flash-Lite Inference Providers

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

Median input price:
$0.3 / 1M
Median output price:
$2.5 / 1M
Median cache price:
$0.03 / 1M

Highest uptime endpoint ranking

Rank providers by
Most Reliable Gemini 3.5 Flash-Lite Inference Providers
RankProvider / routePricingBenchmarksAPI support
#1Provider / route
Google Vertex(0)
1M contextunknown65.5K max output
Pricing
Input
$0.3 / 1M
Output
$2.5 / 1M
Cache
$0.03 / 1M
Blended
$1.0333 / 1M
Benchmarks
Speed— Best comparable value
3.29 s
TTFT— Worst comparable value
0.56 s
TPS— Best comparable value
183.0 tok/s
Uptime— Best comparable value
99.97%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls
#2Provider / route
Google Vertex(0)
1M contextunknown65.5K max output
Pricing
Input
$0.15 / 1M
Output
$1.25 / 1M
Cache
$0.015 / 1M
Blended— Best comparable value
$0.5167 / 1M
Benchmarks
Speed
N/a
TTFT
N/a
TPS
N/a
Uptime— Best comparable value
99.97%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls
#3Provider / route
Google Vertex(0)
1M contextunknown65.5K max output
Pricing
Input
$0.54 / 1M
Output
$4.5 / 1M
Cache
$0.054 / 1M
Blended— Worst comparable value
$1.86 / 1M
Benchmarks
Speed
N/a
TTFT
N/a
TPS
N/a
Uptime— Best comparable value
99.97%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls
#4Provider / route
Google AI Studio(0)
1M contextunknown65.5K max output
Pricing
Input
$0.3 / 1M
Output
$2.5 / 1M
Cache
$0.03 / 1M
Blended
$1.0333 / 1M
Benchmarks
Speed— Worst comparable value
3.99 s
TTFT— Best comparable value
0.49 s
TPS— Worst comparable value
143.0 tok/s
Uptime— Worst comparable value
99.73%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls
#5Provider / route
Google AI Studio(0)
1M contextunknown65.5K max output
Pricing
Input
$0.15 / 1M
Output
$1.25 / 1M
Cache
$0.015 / 1M
Blended— Best comparable value
$0.5167 / 1M
Benchmarks
Speed
N/a
TTFT
N/a
TPS
N/a
Uptime— Worst comparable value
99.73%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls
#6Provider / route
Google AI Studio(0)
1M contextunknown65.5K max output
Pricing
Input
$0.54 / 1M
Output
$4.5 / 1M
Cache
$0.054 / 1M
Blended— Worst comparable value
$1.86 / 1M
Benchmarks
Speed
N/a
TTFT
N/a
TPS
N/a
Uptime— Worst comparable value
99.73%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls
Green value Best comparable resultRed value Worst comparable result

Endpoint data fetched .

Gemini 3.5 Flash-Lite endpoint guide

How to interpret the Most Reliable Gemini 3.5 Flash-Lite Inference Providers

6 of 6 Gemini 3.5 Flash-Lite endpoints currently have the published data required for this ranking. Google Vertex leads at 99.97% via google-vertex/global. 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 Vertex with the next option

Google Vertex currently ranks second at 99.97%. 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 3.5 Flash-Lite 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.