DeepSeek Flash (V4.1) vs GPT-5 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
DeepSeek
DeepSeek Flash (V4.1)
Pricing (per 1M tokens)
Input$0.3000
Output$1.20
Cached Input$0.006000
Context & Output
Context Window1M tokens
Max Output384K tokens
Capabilities
Categorybudget
Multimodaltext
Fine-tuningNo
StreamingYes
OpenAI
GPT-5 Pro
Pricing (per 1M tokens)
Input$15.00
Output$120.00
Context & Output
Context Window400K tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
DeepSeek Flash (V4.1)
98.0% cheaper
Cheaper Output Price
DeepSeek Flash (V4.1)
99.0% cheaper
Larger Context Window
DeepSeek Flash (V4.1)
+600K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
DeepSeek Flash (V4.1)
$1.50
$0.3000/1M input + $1.20/1M output
GPT-5 Pro
$135.00
$15.00/1M input + $120.00/1M output
DeepSeek Flash (V4.1) is 98.9% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, DeepSeek Flash (V4.1) or GPT-5 Pro?
For input tokens, DeepSeek Flash (V4.1) is cheaper at $0.3000 per 1M tokens. For output tokens, DeepSeek Flash (V4.1) is cheaper at $1.20 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of DeepSeek Flash (V4.1) vs GPT-5 Pro?
DeepSeek Flash (V4.1) has a context window of 1M tokens, while GPT-5 Pro has 400K tokens. DeepSeek Flash (V4.1) supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
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