Aitra Meter
AI inference energy measurement · live + historical
All Metrics — Live
Every aitra_* signal the meter emits: efficiency, power, utilization, throughput, energy, cost, carbon, and measurement quality
Efficiency
Energy / token
…
aitra_j_per_token
System energy / token
…
aitra_system_j_per_token
Tokens / joule
…
aitra_tokens_per_joule
Energy / 1M tokens
…
aitra_model_energy_per_1m_tokens
GPU utilization efficiency
…
aitra_gpu_utilization_efficiency
Power
GPU power
…
aitra_gpu_power_watts
Idle power
…
aitra_idle_power_watts
Host power
…
aitra_host_power_watts
Utilization
GPU serving utilization
…
aitra_gpu_serving_utilization_ratio
Idle time
…
aitra_idle_time_ratio
Host energy fraction
…
aitra_host_energy_fraction
Throughput
Model tokens
…
aitra_model_tokens_total
Namespace tokens
…
aitra_namespace_tokens_total
Energy
Namespace energy
…
aitra_namespace_energy_joules_total
Host energy
…
aitra_host_energy_joules_total
Cost
Cost / 1M tokens
…
aitra_cost_per_million_tokens_usd
Model cost / 1M tokens
…
aitra_model_cost_per_1m_tokens_usd
Tenant cost
…
aitra_tenant_cost_usd_total
Carbon
CO₂ / token
…
aitra_co2_per_token_grams
Measurement quality
Coefficient of variation
…
aitra_measurement_cv
Window stable
…
aitra_measurement_window_stable
J / Token — Live
Latest measurement window per workload × model × hardware
Loading…
J / Token — Trend
Range query over Prometheus; cluster aggregate and per-series breakdown
Cluster Average J / Token
Loading…
J / Token by Workload × Model × Hardware
Loading…
Namespace Chargeback
30-day energy aggregates · PUE and cost derived client-side
1.002.00
$
| Namespace | Workload | Model | Hardware | Tier | Attribution | Energy (kWh) | Cost (USD) | Tokens |
|---|---|---|---|---|---|---|---|---|
| Loading… | ||||||||
Energy (kWh) = raw joules × PUE ÷ 3,600,000 · Cost = kWh × $0.080/kWh · last 30 days
Idle Consumption
GPU power split between active inference and idle — stacked area per cluster
GPU Power — Serving vs Idle (cluster total, W)
Idle = total GPU power with no active inference tokens
Loading…
Carbon & Cost per Token
Derivation formula shown inline for every figure (AC-7) · grid intensity source badge
1.002.00
$
| Namespace | Model | Hardware | J / token | kWh / token | Cost / token | gCO₂ / token |
|---|---|---|---|---|---|---|
| Loading… | ||||||
kWh/token = J/token × PUE ÷ 3,600,000 · gCO₂/token = kWh/token × grid intensity · refreshes every 15s