Comparison

Claude Sonnet 5 vs DeepSeek V4 Pro

Claude Sonnet 5 charges 78% more per input token than DeepSeek V4 Pro. DeepSeek V4 Pro is 91% cheaper on output tokens.

FieldClaude Sonnet 5
DeepSeek V4 Pro
ProviderAnthropicDeepSeek
Context window1M1M
Max output128K384K
Input / 1M$2.00$0.43578% cheaper
Output / 1M$10.00$0.8791% cheaper
Cached input / 1M$0.20$0.003698% cheaper
Batch discount50%
Release date

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Sonnet 5DeepSeek V4 Pro

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$360.00$52.20cheaper

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$570.00$96.57cheaper

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$275.00$50.03cheaper

Claude Sonnet 5 vs DeepSeek V4 Pro FAQ

Is Claude Sonnet 5 cheaper than DeepSeek V4 Pro?
Claude Sonnet 5 costs $2.00 per 1M input tokens versus $0.435 for DeepSeek V4 Pro — DeepSeek V4 Pro is 360% cheaper per input token.
Which is cheaper for output tokens, Claude Sonnet 5 or DeepSeek V4 Pro?
Claude Sonnet 5 charges $10.00 per 1M output tokens; DeepSeek V4 Pro charges $0.87 per 1M output tokens.
Which has the larger context window, Claude Sonnet 5 or DeepSeek V4 Pro?
Claude Sonnet 5 does, with a 1,000,000-token context window.
Do Claude Sonnet 5 and DeepSeek V4 Pro offer cache pricing?
Claude Sonnet 5 discounts cached input to $0.20 per 1M tokens. DeepSeek V4 Pro discounts cached input to $0.0036 per 1M tokens.

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