llm-benchmarks
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gpt-oss-120b Benchmarks


Measured on cerebras

14 runs
cerebras site
Avg Tokens / Second
99.70
Decode Tokens / Second
Avg Time to First Token (ms)
650.00
Runs Analysed
14
Last Updated
Sep 7, 2026, 05:16 PM

Throughput distribution

Throughput over time

gpt-oss-120bcerebras348tok/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 544 tok/s (99th percentile) · dashed rule is the model's own mean

Every lane measuring this model

1 measured · live first · a lane is a provider, a catalogue id and a transport
ProviderLaneAvg Toks/SecMinMaxAvg TTF (ms)n
cerebrasvia OpenRouter99.7071.10135.00650.0014

Frequently Asked Questions

How fast is gpt-oss-120b?
The latest rolling average throughput is 99.70 tokens per second with an average time to first token of 650.00 ms across 14 recent runs.
How often are these benchmarks updated?
Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on Sep 7, 2026, 05:16 PM.