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Models / Perplexity

Sonar Deep Research

GA

Expert-level research model that runs exhaustive multi-source searches and generates comprehensive reports. 128K context. Token pricing: input $2/M, output $8/M, citation tokens $2/M, reasoning tokens $3/M, plus search queries $5 per 1,000 (pricing page). Featured May 2025 with reasoning-effort parameter and async API. Max output tokens and knowledge cutoff not published. Pricing page fetched 2026-06-28.

Sonar Deep Research by Perplexity costs $2 per 1M input tokens and $8 per 1M output tokens ($3.50/1M blended), with a 128K (128.000-token) context window. It is generally available (GA).

Last verified: 13 Aug 2026 · sourced from official provider documentation

Provider
Perplexity
Status
GA
Input price
$2 / 1M tokens
Output price
$8 / 1M tokens
Cached input
—
Blended price
$3.50 / 1M tokens
Context window
128.000 tokens (128K)
Max output
—
Modality
text
Open weights
No — API only
Knowledge cutoff
—
Released
May 2025
API string
sonar-deep-research

Source: Perplexity official documentation ↗

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FAQ

Sonar Deep Research — questions & answers

How much does Sonar Deep Research cost?

Sonar Deep Research is priced at $2 per 1M input tokens and $8 per 1M output tokens ($3.50/1M blended at a 3:1 input-to-output ratio).

What is the context window of Sonar Deep Research?

Sonar Deep Research has a 128.000-token context window (128K).

Is Sonar Deep Research deprecated?

No — Sonar Deep Research is generally available (GA) and not currently scheduled for deprecation or retirement in our tracker.

Does Sonar Deep Research support image or vision input?

Our catalog lists Sonar Deep Research's modalities as text; image/vision input is not among them.

Can I self-host Sonar Deep Research?

No — Sonar Deep Research is proprietary. Its weights are not publicly released, so it is available only through Perplexity's API (or hosted partners), not for self-hosting.

What is the API model string for Sonar Deep Research?

The API model identifier for Sonar Deep Research is "sonar-deep-research" when calling Perplexity's API.