llm-benchmarks
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gpt-oss-120b Benchmarks


Measured on dekallm

3 runs
Avg Tokens / Second
6.57
Decode Tokens / Second
—
Avg Time to First Token (ms)
8980.00
Runs Analysed
3
Last Updated
Oct 24, 2026, 07:00 PM

Throughput distribution

Throughput over time

gpt-oss-120bdekallm32tok/s

Generated throughput, including reasoning tokens — so a thinking model's line does not collapse; the table ranks on visible tokens · one cell per model, showing its best-covered provider · models with at least 4 samples in the window first, fastest of those at the top · shared vertical scale, 0 to 57 tok/s (99th percentile) · dashed rule is the model's own mean · 1 cell carry fewer than 4 samples

Every lane measuring this model

2 measured · live first · a lane is a provider, a catalogue id and a transport
ProviderLaneAvg Toks/SecMinMaxAvg TTF (ms)n
dekallmvia OpenRouter6.573.788.828980.003
dekallmdirect7.584.9012.207780.003

Frequently Asked Questions

How fast is gpt-oss-120b?
The latest rolling average throughput is 6.57 tokens per second with an average time to first token of 8980.00 ms across 3 recent runs.
How often are these benchmarks updated?
Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on Oct 24, 2026, 07:00 PM.

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