Claude Opus 4.5

Frontier

Anthropic•Released on 2025-12-01

Anthropic's flagship model, widely recognized as the top coding model. Excels at complex refactoring, large codebase comprehension, and agentic coding. Claude Code makes it the go-to choice for professional developers.

88
Overall Score

Core Specs

200K
Context Window
64K
Max Output
✓
Reasoning
✗
Open Source
Multimodal Support
textimage

Scenario Scores

Coding
#1 / 895
Writing
#2 / 890
Translation
#3 / 889
Data Analysis
#3 / 888
Conversation
#2 / 892
Image Gen
#3 / 875

Pros & Cons

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

Pricing

Input (per 1M tokens)$15.00
Output (per 1M tokens)$75.00
Subscription$20/month
Updated on 2026-03-06

Available In

Claude Code
Anthropic
Cursor
Anysphere
Cline
Open Source

Compare with Others

Claude Opus 4.5 vs GPT-5.4 →Claude Opus 4.5 vs GPT-5.4 Thinking →Claude Opus 4.5 vs Claude Opus 4.6 →

Benchmarks

sweBench73.3%
mmlu92.1%
humanEval96.5%