GPT-4.1 vs GPT-5 Pro: Pricing Comparison

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

OpenAI

GPT-4.1

Pricing (per 1M tokens)

Input$2.00
Output$8.00
Cached Input$0.5000
Batch Input$1.00
Batch Output$4.00

Context & Output

Context Window1.0M tokens
Max Output32.8K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningYes
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-4.1

86.7% cheaper

Cheaper Output Price

GPT-4.1

93.3% cheaper

Larger Context Window

GPT-4.1

+647.6K tokens

Cost Comparison

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

GPT-4.1

$10.00

$2.00/1M input + $8.00/1M output

GPT-5 Pro

$135.00

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

GPT-4.1 is 92.6% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-4.1 or GPT-5 Pro?
For input tokens, GPT-4.1 is cheaper at $2.00 per 1M tokens. For output tokens, GPT-4.1 is cheaper at $8.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-4.1 vs GPT-5 Pro?
GPT-4.1 has a context window of 1.0M tokens, while GPT-5 Pro has 400K tokens. GPT-4.1 supports a larger context window of 1.0M tokens, which is beneficial for processing longer documents.

Need more tools?

Explore our complete suite of LLM calculators and comparison tools.