o3 vs GPT-5.2 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
o3
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 Window200K tokens
Max Output100K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
OpenAI
GPT-5.2 Pro
Pricing (per 1M tokens)
Input$10.50
Output$84.00
Context & Output
Context Window400K tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
o3
81.0% cheaper
Cheaper Output Price
o3
90.5% 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
$10.00
$2.00/1M input + $8.00/1M output
GPT-5.2 Pro
$94.50
$10.50/1M input + $84.00/1M output
o3 is 89.4% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, o3 or GPT-5.2 Pro?
For input tokens, o3 is cheaper at $2.00 per 1M tokens. For output tokens, o3 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 o3 vs GPT-5.2 Pro?
o3 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.
Need more tools?
Explore our complete suite of LLM calculators and comparison tools.