Claude Opus 4.5 vs Gemini 3 Pro

Comprehensive comparison between Anthropic's Claude Opus 4.5 and Google's Gemini 3 Pro. Compare pricing, performance, features, and user reviews.

claude vs geminianthropic vs google ai

Specs Comparison

SpecificationClaude Opus 4.5Gemini 3 Pro
Context Window200K2000K
Max Output64K66K
Input (per 1M tokens)$5.00$2.00
Output (per 1M tokens)$25.00$12.00
Reasoning
Open Source

Scenario Score Comparison

Coding
95
vs
84
Writing
90
vs
85
Translation
89
vs
91
Data Analysis
88
vs
89
Conversation
92
vs
88
Image Gen
75
vs
87
Research
92
vs
87
App Building
91
vs
84

Claude Opus 4.5

Pros

  • + Top-tier coding ability
  • + Highest code quality
  • + Strong context understanding
  • + Mature Claude Code ecosystem

Cons

  • Highest pricing ($15/1M input)
  • Average response speed
  • Strict quota limits

Gemini 3 Pro

Pros

  • + 2M ultra-long context
  • + Strong multimodal
  • + Competitive pricing
  • + Google ecosystem integration

Cons

  • Coding inferior to Claude
  • Slower response
  • API stability needs improvement

Recommendation

Choose Claude Opus 4.5 if you:

  • Need top-tier coding ability
  • Need highest code quality
  • Need strong context understanding

Choose Gemini 3 Pro if you:

  • Need 2m ultra-long context
  • Need strong multimodal
  • Need competitive pricing

Based on scores across 8 scenarios, Claude Opus 4.5 performs better overall.

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