Answer · Search & Research
What AI models does Perplexity use?
Perplexity runs on Claude Opus 4.5 (Anthropic), Frontier Models (Anthropic), Gemini 3 Pro (Google), GPT-5.2 (OpenAI) and Sonar (Perplexity), and routes requests between them.
- Models used
- 5
- Primary model
- Claude Opus 4.5
- Public API
- Yes
- Last checked
- 2026-09-11
Model claims are labelled by how we know them: Claude Opus 4.5 — disclosed, Frontier Models — disclosed, Gemini 3 Pro — disclosed, GPT-5.2 — disclosed and Sonar — disclosed. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Context window: Varies by model.
Other stack signals: api, mcp, cli and embeddings.
Cite this answer
Tomorrow. “What AI models does Perplexity use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-11. https://tomorrow.aliensquad.ai/q/what-models-does-perplexity-use
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