Comparing 2 models

Claude Opus 4.6 vs DeepSeek V4 Pro

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric

Model 1Claude Opus 4.6

Model 2DeepSeek V4 Pro

Best for

a General Assistant (#1)

Best Open-Weight LLM for Self-Hosting (#3)

Provider

anthropic

deepseek

Context

1.0MBest

Input / 1M

$0.43Best

Output / 1M

$25

$0.87Best

Tool use

yesBest

Vision

yesBest

—

Reasoning

yesBest

Open-weight

—

yesBest

Released

Feb 1, 2026

Apr 23, 2026

task evidence

How they place when the question changes

Lower ranks are better. “Best” marks the strongest option in this shortlist for that task.

Best LLM for Translation #1Best —

Best LLM for Math & Reasoning #1Best #4

Best LLM for Logic & Problem Solving #1Best —

Best LLM for Image Understanding #3Best —

Best LLM for Document Summarization #1Best —

Best LLM for Grounded RAG #1Best —

Best LLM for Everyday Translation #1Best —

Best LLM for Structured Data Extraction #1Best —

Best LLM for Marketing Copy #1Best —

Best LLM for Literary Translation #1Best —

Best LLM for Vision & Documents #3Best —

Best LLM for Roleplay & Character #1Best —

Best LLM for Hermes Agent #5Best —

Best LLM for High-Volume Extraction #1Best —

Best LLM for RAG & Long Context #1Best —

Best LLM for JSON & Schema Output #1Best —

Best LLM for Agentic Coding #9Best —

Best LLM for a General Assistant #1Best —

Best LLM for OCR & Documents #3Best —

Best LLM for Fast Summaries #1Best —

Best LLM for Massive Context #1Best #7

Best LLM for Goose —#6Best

Best LLM for Business Writing #1Best —

Best Open-Weight LLM for Self-Hosting —#3Best

Best LLM for Competition Math #1Best —

Best LLM for OpenHands —#6Best

Best LLM for Summarization #1Best —

Best LLM for Writing #1Best —

Best Value LLM #1Best —

Best LLM for Chat & Roleplay #1Best —

Best LLM for Document Parsing #2Best —

Best LLM for Tool & Function Calling #8Best —

Cheapest Capable LLM #3Best —

Best LLM for Creative Writing #1Best —

Best LLM for Autonomous Agents #8Best —

Best LLM for Charts & Diagrams #3Best —