Answer · Writing

What AI models does Sudowrite use?

Sudowrite runs on Claude (Anthropic), Claude models (Anthropic), GPT models (OpenAI), GPT-3.5/4 (OpenAI), GPT-3.5/4 (OpenAI Models) (OpenAI), GPT-4 (OpenAI), Muse (Sudowrite), Muse 1.5 (Sudowrite) and OpenAI models (OpenAI).

Models used
9
Primary model
Claude
Public API
Not published
Last checked
2026-09-10

Model claims are labelled by how we know them: Claude — disclosed, Claude models — disclosed, GPT models — disclosed, GPT-3.5/4 — disclosed, GPT-3.5/4 (OpenAI Models) — disclosed, GPT-4 — disclosed, Muse — disclosed, Muse 1.5 — disclosed and OpenAI models — disclosed. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.

Context window: Not published.

Other stack signals: Custom fine-tune.

Cite this answer

Tomorrow. “What AI models does Sudowrite use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-10. https://tomorrow.aliensquad.ai/q/what-models-does-sudowrite-use

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