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

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

OpenAI

GPT-5 mini

Pricing (per 1M tokens)

Input$0.2500
Output$2.00
Cached Input$0.0250
Batch Input$0.1250
Batch Output$1.00

Context & Output

Context Window400K tokens
Max Output128K tokens

Capabilities

Categorymid
Multimodaltext + image
Fine-tuningNo
StreamingYes

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

Quick Verdict

Cheaper Input Price

GPT-5 mini

98.3% cheaper

Cheaper Output Price

GPT-5 mini

98.3% cheaper

Larger Context Window

GPT-5 Pro

+0 tokens

Cost Comparison

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

GPT-5 mini

$2.25

$0.2500/1M input + $2.00/1M output

GPT-5 Pro

$135.00

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

GPT-5 mini is 98.3% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-5 mini or GPT-5 Pro?
For input tokens, GPT-5 mini is cheaper at $0.2500 per 1M tokens. For output tokens, GPT-5 mini is cheaper at $2.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5 mini vs GPT-5 Pro?
GPT-5 mini has a context window of 400K tokens, while GPT-5 Pro has 400K tokens. GPT-5 mini supports a larger context window of 400K tokens, which is beneficial for processing longer documents.

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