GPT-5.1-codex-max Benchmarks

Provider: openai

Explore real-world latency and throughput results for GPT-5.1-codex-max. These measurements come from automated benchmarking runs against the provider APIs using the same harness that powers the public cloud dashboard.

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Benchmark Overview

Avg Tokens / Second

26.80

Avg Time to First Token (ms)

0.00

Runs Analysed

8

Last Updated

Dec 29, 2025, 04:00 AM

Key Insights

  • GPT-5.1-codex-max streams at 26.80 tokens/second on average across the last 8 benchmark runs.

  • Performance fluctuated by 55.26 tokens/second (206.2% coefficient of variation), indicating variable behavior across benchmark runs.

  • Latest measurements completed on Dec 29, 2025, 04:00 AM based on 8 total samples.

Performance Distribution

Distribution of throughput measurements showing performance consistency across benchmark runs.

Performance Over Time

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

GPT-5.1-codex-max

Benchmark Samples

ProviderModelAvg Toks/SecMinMaxAvg TTF (ms)
openaiGPT-5.1-codex-max26.803.2458.500.00

Frequently Asked Questions

The latest rolling average throughput is 26.80 tokens per second with an average time to first token of 0.00 ms across 8 recent runs.

Benchmarks refresh automatically whenever the monitoring cron runs. The most recent run completed on Dec 29, 2025, 04:00 AM.

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