llm-benchmarks
githubdrose.io

GPT-5.2-pro Benchmarks


Measured on openai

6 runs
openai site
Avg Tokens / Second
13.30
Decode Tokens / Second
—
Avg Time to First Token (ms)
32600.00
Runs Analysed
6
Last Updated
Sep 23, 2026, 12:31 PM

Throughput distribution

Throughput over time

GPT-5.2-proopenai16tok/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 19 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
openaidirect13.3010.8015.9032600.006

Frequently Asked Questions

How fast is GPT-5.2-pro?
The latest rolling average throughput is 13.30 tokens per second with an average time to first token of 32600.00 ms across 6 recent runs.
How often are these benchmarks updated?
Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on Sep 23, 2026, 12:31 PM.

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