GPT-5.4 Pro pricing & benchmarks
GPT-5.4 Pro is available from OpenAI at $30.00 per million input tokens and $180.00 per million output tokens ($67.50 blended at 3:1). It accepts up to 1,050,000 tokens of context. GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...
Pricing
Per million tokens · OpenRouter
Input$30.00
Output$180.00
Blended (3:1)$67.50
Specification
openai/gpt-5.4-pro
Context window1.1M
Max output128K
ReleasedMar 2026
LicenceProprietary
Modalitiesin:text, in:image, in:file, out:text
Benchmarks
Independently run — not vendor self-reports. Every score links its source.
| Benchmark | Score | Config | Run | Source |
|---|---|---|---|---|
| GPQA Diamond | 94.6% ±1.6 | xhigh effort | 2026-03-20 | Independently run · Epoch AI |
| FrontierMath T1–3 | 82.5% ±2.3 | xhigh effort | 2026-06-13 | Independently run · Epoch AI |
| FrontierMath T4 | 58.5% ±7.8 | xhigh effort | 2026-06-13 | Independently run · Epoch AI |
| SimpleQA Verified | 47.8% ±1.6 | xhigh effort | 2026-03-19 | Independently run · Epoch AI |
Scores published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0.
Where to run GPT-5.4 Pro
3 options across 2 providers · 2.0× between cheapest and dearest. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
| Host | Blended $/1M | In / Out | Context | Uptime 24h |
|---|---|---|---|---|
| OpenAI (flex) ⚠ re-prices above 272K prompt tokens ($30.00/$135.00) |
$33.75 | $15.00 / $90.00 | 1.1M | 99.2% |
| OpenAI ⚠ re-prices above 272K prompt tokens ($60.00/$270.00) |
$67.50 | $30.00 / $180.00 | 1.1M | 99.2% |
| Azure ⚠ re-prices above 272K prompt tokens ($60.00/$270.00) |
$67.50 | $30.00 / $180.00 | 1.1M | — |
Host prices and uptime from OpenRouter, synced 2026-08-08.
Compare GPT-5.4 Pro
FAQ
How much does GPT-5.4 Pro cost?
GPT-5.4 Pro costs $30.00 per million input tokens and $180.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $67.50 per million tokens.
What is GPT-5.4 Pro's context window?
GPT-5.4 Pro accepts up to 1,050,000 tokens of context, and can generate up to 128,000 output tokens.
How good is GPT-5.4 Pro on benchmarks?
GPT-5.4 Pro scores 94.6% on GPQA Diamond, independently run and published by Epoch AI. 4 benchmark results are listed on this page, each with its run date and source.