Last verified 2026-03-06 (left) · 2026-03-06 (right)

GPT-5.4 Pro vs GPT-5 mini — Pricing & Capability Comparison

GPT-5.4 Pro charges $30.00 per million input tokens and $180.00 per million output tokens. GPT-5 mini comes in at $0.25 / $2.00. Context windows span 1.1M vs 200K tokens respectively.

TL;DR — Quick Comparison

  • GPT-5 mini is cheaper overall: $2.25 per 1M tokens (in+out) vs $210.00 for GPT-5.4 Pro — saves $207.75 per 1M tokens
  • Input pricing: GPT-5.4 Pro $30.00/1M vs GPT-5 mini $0.25/1M
  • Output pricing: GPT-5.4 Pro $180.00/1M vs GPT-5 mini $2.00/1M
  • Context window: GPT-5.4 Pro offers more (1.1M vs 200K)
  • Use our calculator below to estimate costs for your specific usage pattern

Input price (per 1M)

GPT-5.4 Pro

$30.00

GPT-5 mini

$0.25

GPT-5 mini leads here

Output price (per 1M)

GPT-5.4 Pro

$180.00

GPT-5 mini

$2.00

GPT-5 mini leads here

Context window

GPT-5.4 Pro

1,050,000 tokens

GPT-5 mini

200,000 tokens

GPT-5.4 Pro leads here

Cached input

GPT-5.4 Pro

Not published

GPT-5 mini

$0.025

GPT-5 mini leads here

Cost comparison for 10K-token workloads

Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.

ScenarioGPT-5.4 ProGPT-5 miniGPT-5 mini cached
Balanced conversation
50% input · 50% output
$1.05$0.0112$0.0101
Input-heavy workflow
80% input · 20% output
$0.600$0.0060$0.0042
Generation heavy
30% input · 70% output
$1.35$0.0148$0.0141
Cached system prompt
90% cached input · 10% fresh output
$0.450$0.0043$0.0022

Frequently asked questions

Which is cheaper: GPT-5.4 Pro or GPT-5 mini?

GPT-5 mini is cheaper for input tokens at $0.25 per 1M tokens compared to $30.00. For output, GPT-5 mini costs $2.00 per 1M tokens versus $180.00 for GPT-5.4 Pro.

What is the cost per 1M tokens for GPT-5.4 Pro?

GPT-5.4 Pro pricing: $30.00 per 1M input tokens and $180.00 per 1M output tokens. Context window: 1,050,000 tokens.

What is the cost per 1M tokens for GPT-5 mini?

GPT-5 mini pricing: $0.25 per 1M input tokens and $2.00 per 1M output tokens. Context window: 200,000 tokens.

How much does it cost per 1K tokens?

Per 1K tokens: GPT-5.4 Pro costs $0.0300 input / $0.1800 output. GPT-5 mini costs $0.0003 input / $0.0020 output. This is useful for calculating small-scale usage costs.

Which model supports a larger context window?

GPT-5.4 Pro offers 1,050,000 tokens (1.1M) versus 200K for GPT-5 mini.

What is the estimated monthly cost for typical usage?

For a typical workload of 10M input + 2M output tokens per month: GPT-5.4 Pro would cost approximately $660.00, while GPT-5 mini would cost $6.50. GPT-5 mini is more economical for this usage pattern.

Do these models support prompt caching?

GPT-5.4 Pro does not publish cached pricing. GPT-5 mini supports caching at $0.025 per 1M tokens, saving up to 90%.

Which model is best for my use case?

Choose GPT-5 mini for cost-sensitive applications with high input volume. Choose GPT-5.4 Pro if you need 1.1M context for long documents or conversations. Consider prompt caching if you have repeated context. Use our token calculator to model your specific usage pattern.

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