DeepSeek Flash (V4.1) vs Claude Sonnet 5.5: 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
Anthropic
Claude Sonnet 5.5
Pricing (per 1M tokens)
Input$2.00
Output$10.00
Cached Input$0.1000
Batch Input$1.00
Batch Output$5.00
Context & Output
Context Window200K tokens
Max Output64K tokens
Capabilities
Categorymid
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
DeepSeek Flash (V4.1)
85.0% cheaper
Cheaper Output Price
DeepSeek Flash (V4.1)
88.0% cheaper
Larger Context Window
DeepSeek Flash (V4.1)
+800K 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
Claude Sonnet 5.5
$12.00
$2.00/1M input + $10.00/1M output
DeepSeek Flash (V4.1) is 87.5% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, DeepSeek Flash (V4.1) or Claude Sonnet 5.5?
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 Claude Sonnet 5.5?
DeepSeek Flash (V4.1) has a context window of 1M tokens, while Claude Sonnet 5.5 has 200K tokens. DeepSeek Flash (V4.1) supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
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