DeepSeek V4 Pro vs Gemini 3.5 Flash: 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
Gemini 3.5 Flash
Pricing (per 1M tokens)
Input$1.50
Output$9.00
Cached Input$0.1500
Batch Input$0.7500
Batch Output$4.50
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categorymid
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
DeepSeek V4 Pro
71.0% cheaper
Cheaper Output Price
DeepSeek V4 Pro
90.3% cheaper
Larger Context Window
Gemini 3.5 Flash
+0 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
Gemini 3.5 Flash
$10.50
$1.50/1M input + $9.00/1M output
DeepSeek V4 Pro is 87.6% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, DeepSeek V4 Pro or Gemini 3.5 Flash?
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 Gemini 3.5 Flash?
DeepSeek V4 Pro has a context window of 1M tokens, while Gemini 3.5 Flash has 1M 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.