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
Select Language