Comparing 2 models

Claude Opus 4.6 vs Gemini 3.8 Flash

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

metric

Model 1Claude Opus 4.6

Model 2Gemini 3.8 Flash

Best for

OCR & Documents (#1)

Fast Summaries (#3)

Provider

anthropic

google

Context

1.0MBest

Input / 1M

$0.75Best

Output / 1M

$25

$3.75Best

Tool use

yesBest

Vision

yesBest

Reasoning

yesBest

Open-weight

—

Released

Aug 26, 2025

Sep 2, 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 Writing #4Best —

Best LLM for Translation #7Best #8

Best LLM for Document Parsing #3Best —

Best LLM for Creative Writing #3Best —

Best LLM for AI Agents #6Best —

Cheapest Capable LLM #6Best —

Best LLM for Marketing Copy #2Best —

Best LLM for Roleplay & Character #2Best —

Best LLM for Hermes Agent #5Best —

Best LLM for Goose #5Best —

Best LLM for Fast Summaries #8 #3Best

Best LLM for Document Summarization #7Best —

Best LLM for OpenHands #3Best —

Best LLM for Structured Data Extraction #8Best —

Best LLM for OCR & Documents #1Best —

Best LLM for Business Writing #2Best —

Best LLM for Vision & Documents #2Best —

Best LLM for Literary Translation #6Best #8

Best LLM for a General Assistant #5Best —

Best LLM for Massive Context #3Best —

Best LLM for Autonomous Agents #6Best —

Best Value LLM #4Best —

Best LLM for RAG & Long Context #2Best —

Best LLM for JSON & Schema Output #6Best —

Best LLM for Summarization #8 #3Best

Best LLM for Chat & Roleplay #2Best —

Best LLM for Debugging & Code Review #7Best —

Best LLM for Logic & Problem Solving #3Best —

Best LLM for Competition Math #3Best —

Best LLM for Math & Reasoning #2Best —

Best LLM for Everyday Translation #3Best —

Best Cheap LLM for High Volume #7Best —