GPT-5 Mini by openai Benchmarks

No Successful Benchmarks

This model has never returned successful benchmark results. It may be misconfigured or unavailable.

Last benchmark: May 20, 2026

Benchmark Overview

Avg Tokens / Second

43.60

Avg Time to First Token (ms)

1580.00

Runs Analysed

192

Last Updated

May 20, 2026, 12:41 PM

GPT-5 Mini streams at 43.60 tokens/second on average across the last 192 benchmark runs.
Performance fluctuated by 97.70 tokens/second (224.1% coefficient of variation), indicating variable behavior across benchmark runs.
Average time to first token is 1580.00 ms (moderate latency), consider alternatives for latency-sensitive workloads.
Latest measurements completed on May 20, 2026, 12:41 PM based on 192 total samples.

Distribution of throughput measurements showing performance consistency across benchmark runs.

Historical performance trends showing how throughput has changed over the benchmarking period.

Provider	Model	Avg Toks/Sec	Min	Max	Avg TTF (ms)
openai	GPT-5 Mini	43.60	10.30	108.00	1580.00

The latest rolling average throughput is 43.60 tokens per second with an average time to first token of 1580.00 ms across 192 recent runs.

Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on May 20, 2026, 12:41 PM.