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Ranks providers by estimated time to return 500 tokens, combining the wait for the first token with output speed.
Azure currently ranks first at 16.13 s via azure.
| Rank | Provider / route | Estimated response time | Speed measurements | Endpoint details |
|---|---|---|---|---|
| #1 | Provider / route Azure azure | Estimated response time16.13 s | Speed measurements
| Endpoint details
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| #2 | Provider / route OpenAI openai | Estimated response time36.06 s | Speed measurements
| Endpoint details
|
Endpoint data fetched .
GPT-3.5 Turbo 16k endpoint guide
2 of 2 GPT-3.5 Turbo 16k endpoints currently have the published data required for this ranking. Azure leads at 16.13 s via azure. The table keeps unranked routes visible so missing measurements do not look like missing provider availability.
The fastest ranking estimates a 500-token answer by adding the recent median first-token wait to 500 divided by median output throughput. It represents an example complete response, not a guarantee for every prompt or request size.
OpenAI currently ranks second at 36.06 s. 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.
GPT-3.5 Turbo 16k has 2 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.
