AMA

Head-to-head

Claude Sonnet 4 (Thinking) vs DeepSeek V3 (Thinking)

Normalized scores are min-maxed per benchmark across all models we track (0–100). Open the interactive compare view to add benchmarks to the radar chart or pull in more models.

Claude Sonnet 4 (Thinking)
Anthropic
DeepSeek V3 (Thinking)
DeepSeek
BenchmarkClaude Sonnet 4 (Thinking)DeepSeek V3 (Thinking)
Chatbot Arena Elo

Arena

LiveCodeBench

LiveCB

Output Speed

Speed

Time to First Token

TTFT

Rolling Contamination-Controlled Average

Rolling Avg

Rolling Data Analysis

Data Analysis

Humanity's Last Exam

HLE

Aider Polyglot

Aider

Frontier Composite

Frontier

Methodology matches the main AI Model Analyzer About page.