Grok 4.5 vs GPT-5.2 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
xAI
Grok 4.5
Pricing (per 1M tokens)
Input$2.00
Output$6.00
Cached Input$0.3000
Context & Output
Context Window500K tokens
Max Output32.8K 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
Grok 4.5
90.5% cheaper
Cheaper Output Price
Grok 4.5
96.4% cheaper
Larger Context Window
Grok 4.5
+100K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Grok 4.5
$8.00
$2.00/1M input + $6.00/1M output
GPT-5.2 Pro
$189.00
$21.00/1M input + $168.00/1M output
Grok 4.5 is 95.8% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Grok 4.5 or GPT-5.2 Pro?
For input tokens, Grok 4.5 is cheaper at $2.00 per 1M tokens. For output tokens, Grok 4.5 is cheaper at $6.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Grok 4.5 vs GPT-5.2 Pro?
Grok 4.5 has a context window of 500K tokens, while GPT-5.2 Pro has 400K tokens. Grok 4.5 supports a larger context window of 500K tokens, which is beneficial for processing longer documents.
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