o3 mini vs Grok 4.5: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
o3 mini
Pricing (per 1M tokens)
Input$1.10
Output$4.40
Cached Input$0.5500
Batch Input$0.5500
Batch Output$2.20
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categorymid
Multimodaltext
Fine-tuningNo
StreamingYes
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
Quick Verdict
Cheaper Input Price
o3 mini
45.0% cheaper
Cheaper Output Price
o3 mini
26.7% cheaper
Larger Context Window
Grok 4.5
+300K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
o3 mini
$5.50
$1.10/1M input + $4.40/1M output
Grok 4.5
$8.00
$2.00/1M input + $6.00/1M output
o3 mini is 31.3% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, o3 mini or Grok 4.5?
For input tokens, o3 mini is cheaper at $1.10 per 1M tokens. For output tokens, o3 mini is cheaper at $4.40 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of o3 mini vs Grok 4.5?
o3 mini has a context window of 200K tokens, while Grok 4.5 has 500K tokens. Grok 4.5 supports a larger context window of 500K tokens, which is beneficial for processing longer documents.
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