Which model to pick? 你用什么模型？

Which model to pick?

Opus 5 — Coding / Claude Code / Agents

Fable 5 — Advanced Reasoning / Complex Coding / Research

GPT-5.6 — All-Rounder / API / Agents / Automation

GPT-6 Astra — Extreme Reasoning / Terminal / Heavy-Duty Agents

Opus 4.8 — Reliable Coding / Claude Code

Not sure which one to choose?

General use → GPT-5.6

Coding → Opus 5

Hardest problems → Fable 5 / Astra

Claude Code → Opus 5

Long-running Agent tasks → Opus 5 / Fable 5 / Astra