DeepSeek V4 Pro vs GPT-5.4 mini: Pricing Comparison

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

DeepSeek

DeepSeek V4 Pro

Pricing (per 1M tokens)

Input$0.4350
Output$0.8700
Cached Input$0.003625

Context & Output

Context Window1M tokens
Max Output384K tokens

Capabilities

Categoryflagship
Multimodaltext
Fine-tuningNo
StreamingYes

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

Quick Verdict

Cheaper Input Price

DeepSeek V4 Pro

42.0% cheaper

Cheaper Output Price

DeepSeek V4 Pro

80.7% cheaper

Larger Context Window

DeepSeek V4 Pro

+600K tokens

Cost Comparison

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

DeepSeek V4 Pro

$1.31

$0.4350/1M input + $0.8700/1M output

GPT-5.4 mini

$5.25

$0.7500/1M input + $4.50/1M output

DeepSeek V4 Pro is 75.1% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, DeepSeek V4 Pro or GPT-5.4 mini?
For input tokens, DeepSeek V4 Pro is cheaper at $0.4350 per 1M tokens. For output tokens, DeepSeek V4 Pro is cheaper at $0.8700 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of DeepSeek V4 Pro vs GPT-5.4 mini?
DeepSeek V4 Pro has a context window of 1M tokens, while GPT-5.4 mini has 400K tokens. DeepSeek V4 Pro supports a larger context window of 1M tokens, which is beneficial for processing longer documents.

Need more tools?

Explore our complete suite of LLM calculators and comparison tools.