5 models
Ranked by Aider Polyglot
Reasoning Tools JSON 83.1

Google's proven reasoning model for coding, math, and multimodal analysis

google/gemini-2.5-pro 2025-06-17 1.04858M context $1.25/M input $10/M output
29 providers
Reasoning Tools 72.0

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-20250514 2025-05-22 200K context $15/M input $75/M output
8 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
Reasoning Tools JSON 55.1

Fast Gemini workhorse for multimodal apps where latency and price matter

google/gemini-2.5-flash 2025-06-17 1.04858M context $0.3/M input $2.5/M output
30 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