GPT-5 Pro vs GPT-5.4 Pro: Pricing Comparison

Compare pricing, capabilities, and costs for your LLM workloads.

OpenAI

GPT-5 Pro

Pricing (per 1M tokens)

Input$15.00
Output$120.00

Context & Output

Context Window400K tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

OpenAI

GPT-5.4 Pro

Pricing (per 1M tokens)

Input$30.00
Output$180.00

Context & Output

Context Window1.1M tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

GPT-5 Pro

50.0% cheaper

Cheaper Output Price

GPT-5 Pro

33.3% cheaper

Larger Context Window

GPT-5.4 Pro

+650K tokens

Cost Comparison

Sample workload: 1,000,000 input tokens + 1,000,000 output tokens

GPT-5 Pro

$135.00

$15.00/1M input + $120.00/1M output

GPT-5.4 Pro

$210.00

$30.00/1M input + $180.00/1M output

GPT-5 Pro is 35.7% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-5 Pro or GPT-5.4 Pro?
For input tokens, GPT-5 Pro is cheaper at $15.00 per 1M tokens. For output tokens, GPT-5 Pro is cheaper at $120.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5 Pro vs GPT-5.4 Pro?
GPT-5 Pro has a context window of 400K tokens, while GPT-5.4 Pro has 1.1M tokens. GPT-5.4 Pro supports a larger context window of 1.1M tokens, which is beneficial for processing longer documents.

Need more tools?

Explore our complete suite of LLM calculators and comparison tools.