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Claude 3.5 Sonnet vs DeepSeek Chat

Claude 3.5 SonnetDeepSeek Chat
ProviderAnthropicDeepSeek
Context Window200,000128,000
Release Date2024-06-202025-05-21
Input Price$3.00/ 1M tokens$0.27/ 1M tokens
Output Price$15.00/ 1M tokens$1.10/ 1M tokens
Best forcoding · writing · chatbot · analysisgeneral chat · coding · cost-sensitive apps · Chinese content

Capabilities

Claude 3.5 SonnetDeepSeek Chat
Vision
Reasoning
Coding
Audio
Tools
Long Context

Ranking Comparison

Claude 3.5 SonnetDeepSeek Chat
Overall47.177.5
Benchmark085
Capability85.742.9
Price Efficiency100100
Context10064

Overall = Benchmark 50% + Capability 20% + Price Efficiency 20% + Context 10%.

Benchmark Comparison

Claude 3.5 SonnetDeepSeek Chat
Coding
Reasoning
Math
Vision

Price History

Claude 3.5 Sonnet

DateInputOutput
2026-08-05$3.00$15.00

/ 1M tokens

DeepSeek Chat

DateInputOutput
2026-08-05$0.27$1.10

/ 1M tokens

Claude 3.5 Sonnet

Anthropic's flagship model known for strong coding and nuanced writing.

DeepSeek Chat

DeepSeek's general chat model (V3 series), open-source friendly and cheap.