o3 Pro vs GPT-5.2 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
o3 Pro
Pricing (per 1M tokens)
Input$20.00
Output$80.00
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
OpenAI
GPT-5.2 Pro
Pricing (per 1M tokens)
Input$21.00
Output$168.00
Context & Output
Context Window400K tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
o3 Pro
4.8% cheaper
Cheaper Output Price
o3 Pro
52.4% cheaper
Larger Context Window
GPT-5.2 Pro
+200K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
o3 Pro
$100.00
$20.00/1M input + $80.00/1M output
GPT-5.2 Pro
$189.00
$21.00/1M input + $168.00/1M output
o3 Pro is 47.1% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, o3 Pro or GPT-5.2 Pro?
For input tokens, o3 Pro is cheaper at $20.00 per 1M tokens. For output tokens, o3 Pro is cheaper at $80.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of o3 Pro vs GPT-5.2 Pro?
o3 Pro has a context window of 200K tokens, while GPT-5.2 Pro has 400K tokens. GPT-5.2 Pro supports a larger context window of 400K tokens, which is beneficial for processing longer documents.
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