llm-benchmarks
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gpt-oss-120b Benchmarks


Measured on cerebras

8 runs
cerebras site
Avg Tokens / Second
99.50
Decode Tokens / Second
Avg Time to First Token (ms)
660.00
Runs Analysed
8
Last Updated
Sep 5, 2026, 11:45 AM

Throughput distribution

Throughput over time

gpt-oss-120bcerebras358tok/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 533 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 OpenRouter99.5071.10135.00660.008

Frequently Asked Questions

How fast is gpt-oss-120b?
The latest rolling average throughput is 99.50 tokens per second with an average time to first token of 660.00 ms across 8 recent runs.
How often are these benchmarks updated?
Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on Sep 5, 2026, 11:45 AM.