New Anthropic Models Marshmallow and Melon Surface in API

Developers spotted two new Claude model IDs, claude-marshmallow-eap and claude-melon-eap, in Anthropic's API, suggesting an imminent release, possibly an Opus update.

2026-08-24 ~ 2026-08-24 · 2 related posts

• New Claude Models 'Marshmallow' and 'Melon' Spotted, Likely Opus Update — kimmonismus · 2026-08-24
• Anthropic 'Marshmallow' and 'Melon' Models Leaked in API — 机器之心 · 2026-08-24