LLM Latency Calculator
Estimate response latency from throughput & tokens.
tokens/sec
ms
| Time to first token | 500 ms |
| Generation time | 5.56 s |
| Total latency | 6.06 s |
| Effective speed | 90 tok/s |
Estimate = TTFT + (output tokens ÷ throughput). Real latency varies with provider load, prompt size, and streaming.
Disclaimer: Estimates for informational purposes only. Pricing and performance figures come from a community-maintained feed (LiteLLM) with bundled fallbacks and may be outdated or inaccurate. Always confirm current prices on the official OpenAI, Anthropic, Google, or cloud-provider pricing pages before making decisions. ToolsHub is not affiliated with these companies; product names are trademarks of their owners. Token counts for non-OpenAI models are approximate.