GPT-5 Pro vs o1: 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

o1

Pricing (per 1M tokens)

Input$15.00
Output$60.00
Cached Input$7.50
Batch Input$7.50
Batch Output$30.00

Context & Output

Context Window200K tokens
Max Output100K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

o1

0.0% cheaper

Cheaper Output Price

o1

50.0% cheaper

Larger Context Window

GPT-5 Pro

+200K 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

o1

$75.00

$15.00/1M input + $60.00/1M output

o1 is 44.4% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-5 Pro or o1?
For input tokens, o1 is cheaper at $15.00 per 1M tokens. For output tokens, o1 is cheaper at $60.00 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 o1?
GPT-5 Pro has a context window of 400K tokens, while o1 has 200K tokens. GPT-5 Pro supports a larger context window of 400K tokens, which is beneficial for processing longer documents.

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