Claude Sonnet 5.5

Every figure OnlySOTA holds for this model, one source at a time. Nothing on this page is averaged across sources.

SOTA

Identity

Developer

Anthropic

Family

Claude → Claude Sonnet

Weights

closed

Blended Price, USD per 1M tokens (3:1 input:output)

$4.00

Sources

2 sources · 10 entries · 10 configs

Published upstream as

Claude Sonnet 5.5claude-sonnet-5-5claude-sonnet-5.5Sonnet 5.5

Where it places

• Artificial Analysis LLM Leaderboard Artificial Analysis Intelligence Index 56.0
• Artificial Analysis Coding Agents Artificial Analysis Coding Agent Index 0.684

Others in Claude Sonnet

Price, and Artificial Analysis Intelligence Index as Artificial Analysis LLM Leaderboard publishes it.

• Claude Sonnet 5 SOTA $4.00 38.2
• Claude Sonnet 4.6 KILLED $6.00 30.1
• Claude Sonnet 4.5 KILLED $6.00 20.7
• Claude Sonnet 4 18.9
• Claude Sonnet 3.7 KILLED $6.00 17.7
• Claude Sonnet 3.5 KILLED $6.00 7.9
• Claude Sonnet 3 5.9

Effort ladder

• Artificial Analysis LLM Leaderboard max wins

  1. low 35.8
  2. medium 40.7
  3. high 46.7
  4. xhigh 51.9
  5. max 56.0

• Artificial Analysis Coding Agents Claude Code max wins

  1. low 0.421
  2. medium 0.459
  3. high 0.550
  4. xhigh 0.629
  5. max 0.684