4 models
Ranked by AutomationBench
Reasoning Tools 40.0

Claude model for long-running agentic coding and knowledge work

anthropic/claude-opus-5-5 2026-09-22 1M context $4/M input $20/M output
35 providers
Reasoning Tools 31.4

Claude model for demanding reasoning and long-horizon agentic work

anthropic/claude-fable-5-1 2026-09-01 1M context $10/M input $50/M output
36 providers
Reasoning Tools 26.0

Strongest Claude Opus model for coding, agents, and professional work

anthropic/claude-opus-5 2026-07-24 1M context $5/M input $25/M output
41 providers
Reasoning Tools JSON 17.4

Claude model for creative writing, analysis, and controlled agent workflows

anthropic/claude-fable-5 2026-06-09 1M context $10/M input $50/M output
45 providers