3 models
Ranked by Aider Polyglot
Tools 88.0

Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows

openai/gpt-5 2025-08-07 400K context $1.25/M input $10/M output
30 providers
Reasoning Tools 61.3

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-sonnet-4-20250514 2025-05-22 200K context $3/M input $15/M output
11 providers
Tools 28.0

Fast Claude model for responsive assistance, classification, and lightweight agents

anthropic/claude-3-5-haiku-20241022 2024-10-22 200K context $0.8/M input $4/M output
3 providers