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 9, 2026

Benchmark Overview

Avg Tokens / Second

49.70

Avg Time to First Token (ms)

1220.00

Runs Analysed

211

Last Updated

May 9, 2026, 06:26 PM

GPT-5 Mini streams at 49.70 tokens/second on average across the last 211 benchmark runs.
Performance fluctuated by 97.70 tokens/second (196.6% coefficient of variation), indicating variable behavior across benchmark runs.
Average time to first token is 1220.00 ms (moderate latency), consider alternatives for latency-sensitive workloads.
Latest measurements completed on May 9, 2026, 06:26 PM based on 211 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	49.70	10.30	108.00	1220.00

The latest rolling average throughput is 49.70 tokens per second with an average time to first token of 1220.00 ms across 211 recent runs.

Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on May 9, 2026, 06:26 PM.