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Most Reliable Step 3.7 Flash Inference Providers

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

Ambient currently ranks first at 100.00% via ambient/fp8.

Provider options:
4
Ranked:
2
Metric:
Uptime (last 30 min)

Highest uptime endpoint ranking

Most Reliable Step 3.7 Flash Inference Providers
RankProvider / routeUptime (last 30 min)Speed measurementsEndpoint details
#1Provider / route
Ambientambient/fp8
Uptime (last 30 min)100.00%Speed measurements
500-token response
5.77 s
Response starts
0.87 s
Output speed
102.0 tok/s
Endpoint details
Input price
$0.19 / 1M tokens
Output price
$1.14 / 1M tokens
Uptime (30 min)
100.00%
Context
262.1K
#2Provider / route
StepFunstepfun/fp8
Uptime (last 30 min)99.11%Speed measurements
500-token response
15.42 s
Response starts
5.00 s
Output speed
48.0 tok/s
Endpoint details
Input price
$0.2 / 1M tokens
Output price
$1.15 / 1M tokens
Uptime (30 min)
99.11%
Context
256K
Provider / route
DeepInfradeepinfra
Uptime (last 30 min)Insufficient recent dataSpeed measurements
500-token response
3.33 s
Response starts
0.23 s
Output speed
161.5 tok/s
Endpoint details
Input price
$0.2 / 1M tokens
Output price
$1.15 / 1M tokens
Uptime (30 min)
Insufficient recent data
Context
262.1K
Provider / route
NovitaAInovita/fp8
Uptime (last 30 min)Insufficient recent dataSpeed measurements
500-token response
8.61 s
Response starts
3.24 s
Output speed
93.0 tok/s
Endpoint details
Input price
$0.2 / 1M tokens
Output price
$1.15 / 1M tokens
Uptime (30 min)
Insufficient recent data
Context
262.1K

Endpoint data fetched .

Step 3.7 Flash endpoint guide

How to interpret the Most Reliable Step 3.7 Flash Inference Providers

2 of 4 Step 3.7 Flash endpoints currently have the published data required for this ranking. Ambient leads at 100.00% via ambient/fp8. 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 Ambient with the next option

StepFun currently ranks second at 99.11%. 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

Step 3.7 Flash has 4 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.