Last verified 2026-03-06 (left) · 2026-03-06 (right)
GPT-5.4 Pro vs GPT-5 nano — Pricing & Capability Comparison
GPT-5.4 Pro charges $30.00 per million input tokens and $180.00 per million output tokens. GPT-5 nano comes in at $0.05 / $0.40. Context windows span 1.1M vs 200K tokens respectively.
TL;DR — Quick Comparison
- ✓GPT-5 nano is cheaper overall: $0.45 per 1M tokens (in+out) vs $210.00 for GPT-5.4 Pro — saves $209.55 per 1M tokens
- ✓Input pricing: GPT-5.4 Pro $30.00/1M vs GPT-5 nano $0.05/1M
- ✓Output pricing: GPT-5.4 Pro $180.00/1M vs GPT-5 nano $0.40/1M
- ✓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 nano
$0.05
GPT-5 nano leads here
Output price (per 1M)
GPT-5.4 Pro
$180.00
GPT-5 nano
$0.40
GPT-5 nano leads here
Context window
GPT-5.4 Pro
1,050,000 tokens
GPT-5 nano
200,000 tokens
GPT-5.4 Pro leads here
Cached input
GPT-5.4 Pro
Not published
GPT-5 nano
$0.005
GPT-5 nano leads here
Cost comparison for 10K-token workloads
Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.
| Scenario | GPT-5.4 Pro | GPT-5 nano | GPT-5 nano cached |
|---|---|---|---|
Balanced conversation 50% input · 50% output | $1.05 | $0.0023 | $0.0020 |
Input-heavy workflow 80% input · 20% output | $0.600 | $0.0012 | $0.0008 |
Generation heavy 30% input · 70% output | $1.35 | $0.0030 | $0.0028 |
Cached system prompt 90% cached input · 10% fresh output | $0.450 | $0.0009 | $0.0004 |
Frequently asked questions
Which is cheaper: GPT-5.4 Pro or GPT-5 nano?
GPT-5 nano is cheaper for input tokens at $0.05 per 1M tokens compared to $30.00. For output, GPT-5 nano costs $0.40 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 nano?
GPT-5 nano pricing: $0.05 per 1M input tokens and $0.40 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 nano costs $0.0001 input / $0.0004 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 nano.
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 nano would cost $1.30. GPT-5 nano is more economical for this usage pattern.
Do these models support prompt caching?
GPT-5.4 Pro does not publish cached pricing. GPT-5 nano supports caching at $0.005 per 1M tokens, saving up to 90%.
Which model is best for my use case?
Choose GPT-5 nano 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.