speedThroughput control room

RPM, TPM & concurrency calculator

Turn provider rate limits into sustainable QPS, worker concurrency and daily throughput before production traffic arrives.

Current bottleneckTPM limit0 RPM

Provider limits

Enter the limits shown in your provider dashboard

RPM limitMaximum requests allowed per minute

RPM

TPM limitMaximum input + output tokens per minute

TPM

Safety headroomReserve capacity for bursts and retries

Use production averages rather than context limits

Average input tokensPrompt and context per request

tokens

Average output tokensExpected generated tokens per request

tokens

Average latencyEnd-to-end request duration

sec

Active hours / dayHours running at planned throughput

hours

paymentsOptional cost estimateexpand_more

Input priceOptional, per million tokens

/ 1M

Output priceOptional, per million tokens

/ 1M

20% headroom is already deducted

Sustainable RPM0RPM

Maximum QPS0requests / sec

Required concurrency0in-flight requests

Requests / day0460,800

Tokens / day01,152,000,000

Estimated daily cost—Add prices to estimate

calculateCapacity formula

Sustainable RPM = min(usable RPM, usable TPM ÷ tokens per request)Concurrency = ceil(QPS × average latency)

This is a steady-state planning estimate. Real systems still need retry backoff, queue limits and provider-specific burst rules.