Answer · Marketing
What AI models does Writesonic use?
Writesonic runs on ChatGPT (OpenAI), Claude (Anthropic), ClaudeBot (Anthropic), Gemini (Google), GPT-4 (OpenAI), GPT-5.2 (OpenAI), GPTBot (OpenAI), PerplexityBot (Perplexity), Unspecified LLM (Provider undisclosed) and Writesonic v2.5 (Writesonic).
- Models used
- 10
- Primary model
- Claude
- Public API
- Yes
- Last checked
- 2026-11-06
Model claims are labelled by how we know them: ChatGPT — inferred, Claude — disclosed, ClaudeBot — inferred, Gemini — disclosed, GPT-4 — inferred, GPT-5.2 — disclosed, GPTBot — inferred, PerplexityBot — inferred, Unspecified LLM — unknown and Writesonic v2.5 — inferred. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Context window: Not published.
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Cite this answer
Tomorrow. “What AI models does Writesonic use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-11-06. https://tomorrow.aliensquad.ai/q/what-models-does-writesonic-use
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