AI Latency Tracker
· 45 providers · 4 regions
As of September 21, 2026, the fastest-responding AI inference API by edge latency (time-to-first-byte) is fireworks at 22 ms p50, measured from Asia (Tokyo) (100% uptime, n=287). Rankings differ by region — see the table below.
Independent, provider-neutral latency and uptime of AI inference APIs (OpenAI, Anthropic, Google, Mistral, DeepSeek, xAI, OpenRouter and more), measured directly from multiple regions and updated automatically. How this is measured →
Is any AI API down right now?
3 confirmed outage(s) in the last 24 hours: featherless, Google, sambanova
45 providers · probed every 5 minutes from 4 regions · last probe Sep 21, 14:43 UTC
None of the 10 providers with a machine-readable status page reports an open incident (checked Sep 21, 14:17 UTC).
all probes succeededsome probes failedhalf or more failedno data
Hour by hour for the last 72 hours, all regions combined; hover a cell for the count. Each provider page shows the same view per region. Full incident log →
Which AI API is fastest right now?
| Region | Fastest AI API | p50 TTFB | Uptime |
|---|---|---|---|
| Asia (Tokyo) | fireworks | 22 ms | 100% |
| Europe (Germany) | fireworks | 98 ms | 100% |
| South America (São Paulo) | openrouter | 61 ms | 100% |
| US (Central) | fireworks | 27 ms | 100% |
Which AI APIs are fastest overall?
Composite score 0–100 (100 = as fast as the region leader), averaged across all 4 measured region(s). How it’s computed →
| # | Provider | Speed Index |
|---|---|---|
| 1 | fireworks | 81 |
| 2 | openrouter | 70 |
| 3 | 59 | |
| 4 | meta-llama | 44 |
| 5 | baseten | 41 |
| 6 | inference-net | 38 |
| 7 | sambanova | 36 |
| 8 | mistral | 36 |
| 9 | cohere | 36 |
| 10 | nscale | 33 |
| 11 | cerebras | 33 |
| 12 | aleph-alpha | 32 |
| 13 | nebius | 32 |
| 14 | replicate | 31 |
| 15 | reka | 30 |
Full ranking — Europe (Germany)
Edge latency (time-to-first-byte), p50/p95, last 24h. Other regions: see the per-region pages below.
| # | Provider | p50 TTFB | p95 | Uptime | Samples |
|---|---|---|---|---|---|
| 1 | fireworks | 98 ms | 202 ms | 100% | 288 |
| 2 | nscale | 99 ms | 199 ms | 100% | 288 |
| 3 | openrouter | 99 ms | 201 ms | 100% | 288 |
| 4 | 99 ms | 205 ms | 100% | 288 | |
| 5 | nebius | 100 ms | 203 ms | 100% | 288 |
| 6 | aleph-alpha | 100 ms | 301 ms | 100% | 288 |
| 7 | mistral | 100 ms | 294 ms | 100% | 288 |
| 8 | inference-net | 103 ms | 696 ms | 100% | 288 |
| 9 | meta-llama | 107 ms | 321 ms | 100% | 288 |
| 10 | baichuan | 182 ms | 270 ms | 99.3% | 288 |
| 11 | baseten | 198 ms | 298 ms | 100% | 288 |
| 12 | cerebras | 199 ms | 391 ms | 100% | 288 |
| 13 | perplexity | 199 ms | 314 ms | 100% | 288 |
| 14 | replicate | 200 ms | 400 ms | 100% | 288 |
| 15 | cohere | 200 ms | 303 ms | 100% | 288 |
How fast is each region?
- Fastest AI API from Asia (Tokyo)
- Fastest AI API from Europe (Germany)
- Fastest AI API from South America (São Paulo)
- Fastest AI API from US (Central)
How fast is a specific provider?
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