4 models
Ranked by Aider Polyglot
Tools JSON Open weights 70.2

DeepSeek chat model for instruction following, coding, and analysis

deepseek/deepseek-chat 2025-12-01 1M context $0.15/M input $0.6/M output
8 providers
Tools JSON 52.4

Long-lived GPT workhorse for coding, instruction following, and production apps

openai/gpt-4.1 2025-04-14 1.04758M context $2/M input $8/M output
31 providers
Tools JSON 32.4

Affordable GPT-4.1 lane for fast coding help and structured extraction

openai/gpt-4.1-mini 2025-04-14 1.04758M context $0.4/M input $1.6/M output
28 providers
Tools JSON 8.9

Tiny GPT-4.1 option for classification, routing, and very high-volume tasks

openai/gpt-4.1-nano 2025-04-14 1.04758M context $0.1/M input $0.4/M output
22 providers