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Head-to-head

Claude Opus 5 vs DeepSeek V3 (Thinking)

As of October 25, 2026, Claude Opus 5 leads DeepSeek V3 (Thinking) on the Analyzer Index, 92.4 to 82.0.

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 Opus 5
Anthropic
DeepSeek V3 (Thinking)
DeepSeek
At a glanceClaude Opus 5DeepSeek V3 (Thinking)
Analyzer Index92.4 (5/13)82.0 (4/13)
Blended price$10.00/M$0.50/M
Cheapest hostmaker's API$0.44/M
Context1.0M128k
Output speed88 tok/s25 tok/s
Time to first token3.71 s1.73 s
BenchmarkClaude Opus 5DeepSeek V3 (Thinking)
Chatbot Arena Elo

Arena

SWE-bench Verified

SWE-bench

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Output Speed

Speed

Time to First Token

TTFT

Rolling Contamination-Controlled Average

Rolling Avg

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Rolling Data Analysis

Data Analysis

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SimpleQA Verified

SimpleQA

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OTIS Mock AIME 2024-2025

OTIS AIME

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ARC-AGI 2

ARC-AGI 2

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Aider Polyglot

Aider

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Frontier Composite

Frontier

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Output Stability

Stability

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Format Adherence

Format

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Recovery Rate

Recovery

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API Success Rate

API OK

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Safety Handling

Safety

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Methodology matches the main AI Model Analyzer About page.