GPT-5.4 mini vs DeepSeek V4 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
GPT-5.4 mini
Pricing (per 1M tokens)
Input$0.7500
Output$4.50
Cached Input$0.0750
Batch Input$0.3750
Batch Output$2.25
Context & Output
Context Window400K tokens
Max Output128K tokens
Capabilities
Categorymid
Multimodaltext + image
Fine-tuningNo
StreamingYes
DeepSeek
DeepSeek V4 Pro
Pricing (per 1M tokens)
Input$1.74
Output$3.48
Cached Input$0.1450
Context & Output
Context Window1M tokens
Max Output384K tokens
Capabilities
Categoryflagship
Multimodaltext
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
GPT-5.4 mini
56.9% cheaper
Cheaper Output Price
DeepSeek V4 Pro
22.7% cheaper
Larger Context Window
DeepSeek V4 Pro
+600K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
GPT-5.4 mini
$5.25
$0.7500/1M input + $4.50/1M output
DeepSeek V4 Pro
$5.22
$1.74/1M input + $3.48/1M output
DeepSeek V4 Pro is 0.6% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, GPT-5.4 mini or DeepSeek V4 Pro?
For input tokens, GPT-5.4 mini is cheaper at $0.7500 per 1M tokens. For output tokens, DeepSeek V4 Pro is cheaper at $3.48 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5.4 mini vs DeepSeek V4 Pro?
GPT-5.4 mini has a context window of 400K tokens, while DeepSeek V4 Pro has 1M tokens. DeepSeek V4 Pro supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
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