llmgauge

OpenAI · model

GPT-5.4 Pro

$30.00/1M in · $180/1M out · 1.1M context. That's cheaper than 0% of the 298 models we track, by output price. Here's what it costs, how its price has moved, and where it fits.

output price · per 1M tokens
$180
input $30.00/1M · list
Context
1.1M
Input / 1M
$30.00
Output / 1M
$180
Modality
text + image + file
Provider
OpenAI
Tokenizer
GPT

Snapshot · source: provider list ↗ · how we measure →

cost at a typical workload
$27,000 / mo

For 1,500 input + 500 output tokens across 200,000 requests/month. That's 4500× the cheapest tracked option (Ling-2.6-flash, $6.00/mo).

Tune the workload in the calculator →

output price history
output / 1M

Flat at $180 since tracking began 2026-06-14. Full history →

Where it fits

  • Long inputs — a 1.1M-token window holds roughly 1,575 pages of text at once.
  • Multimodal prompts — accepts image input alongside text.
  • Quality-first tasks where capability matters more than rate — a first-party flagship rather than a budget pick.

Watch for

  • Output at $180/1M is among the priciest tracked — output-heavy or reasoning-heavy workloads add up fast.

These notes are derived from price, context and modality — structural facts, not measured quality. Measured cost-to-finish-a-task lives on the real-cost index.

Related models

GPT-5.5 Pro OpenAI · $180/1M out · 1.1M GPT-5.2 Pro OpenAI · $168/1M out · 400K GPT-5 Pro OpenAI · $120/1M out · 400K o3 Pro OpenAI · $80.00/1M out · 200K Claude Opus 4.7 (Fast) Anthropic · $150/1M out · 1M Claude Opus 4.6 (Fast) Anthropic · $150/1M out · 1M

See how the leading models compare head-to-head →

How to read GPT-5.4 Pro's pricing

Two numbers decide most of the bill: $30.00/1M for input (everything you send — prompt, context, attachments) and $180/1M for output (everything it generates, including hidden reasoning tokens). Output is priced 6.0× the input rate here, so the shape of your workload — how much it reads versus writes — matters as much as the headline figure. This is the provider's first-party list price, reconciled against the routed market each run.

Frequently asked questions

How much does GPT-5.4 Pro cost per million tokens?

GPT-5.4 Pro is priced at $30.00 per 1M input tokens and $180 per 1M output tokens (first-party list price) as of the 2026-06-15 snapshot. Output is the figure that usually drives the bill. Enter your own token volumes in the cost calculator for a monthly estimate.

What is GPT-5.4 Pro's context window?

GPT-5.4 Pro has a 1.1M-token context window — roughly 1,575 pages of text. Prompt, attachments, conversation and the model's own output all share that budget, and every token you send is billed at the input rate.

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