GPT-5.2 vs o3 Pro: Pricing Comparison

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

OpenAI

GPT-5.2

Pricing (per 1M tokens)

Input$1.75
Output$14.00
Cached Input$0.1750
Batch Input$0.8750
Batch Output$7.00

Context & Output

Context Window400K tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

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

Quick Verdict

Cheaper Input Price

GPT-5.2

91.3% cheaper

Cheaper Output Price

GPT-5.2

82.5% cheaper

Larger Context Window

GPT-5.2

+200K tokens

Cost Comparison

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

GPT-5.2

$15.75

$1.75/1M input + $14.00/1M output

o3 Pro

$100.00

$20.00/1M input + $80.00/1M output

GPT-5.2 is 84.3% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-5.2 or o3 Pro?
For input tokens, GPT-5.2 is cheaper at $1.75 per 1M tokens. For output tokens, GPT-5.2 is cheaper at $14.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5.2 vs o3 Pro?
GPT-5.2 has a context window of 400K tokens, while o3 Pro has 200K tokens. GPT-5.2 supports a larger context window of 400K tokens, which is beneficial for processing longer documents.

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