AI RACE— The AI Race
AI model

Claude Fable 5.1

Anthropic

Try it now ↗
Released09/2026
Speed70 tokens/s
Time to first token137.87s
Input price$10/1M
Output price$50/1M

Rankings

#3
AIM 92.8Peak #12 weeks at #1
#1
AIM 99.3Peak #14 weeks at #1
#6
AIM 96.8Peak #6
#1
AIM 99.3Peak #14 weeks at #1

Review

Claude Fable 5.1 excels in conversation, coding, and agentic workflows, making it well suited for enterprises and developers needing high accuracy and automation. For deep reasoning or tight budgets, other models may be worth considering.

Strengths

  • Exceptionally smooth general conversation with deep context understanding and fast response times
  • Outstanding coding capabilities, supporting multi-language code generation, debugging, and optimization
  • Strong AI agent capabilities, efficiently automating complex workflows

Weaknesses

  • Reasoning capabilities fall short of dedicated reasoning models
  • Relatively high operational costs compared to average alternatives
  • Context length limits can constrain extended multi-turn conversations

Use cases

Chat-based customer support with natural, accurate responsesDeveloper code assistance, including debugging and optimizationDeploying automated AI agent workflows for repetitive tasks