Roundup
Best AI Models for Research
Long documents, citations and careful reasoning: the models we reach for when accuracy matters more than speed.
Perplexity: Sonar Deep Research
perplexity/sonar-deep-research
Sonar Deep Research is a research-focused model designed for multi-step retrieval, synthesis, and reasoning across complex topics. It autonomously searches, reads, and evaluates sources, refining its approach as it gathers...
Listed (7 Mar 2025)
Source: OpenRouter (live)
- Input
- $2.00
- USD per 1M tokens
- Output
- $8.00
- USD per 1M tokens
- Blended
- $3.50
- 75% in / 25% out
- Context
- 128K
- tokens
- Max output
- 115K
- tokens
- Modality
- text->text
Prices as listed on OpenRouter, refreshed every five minutes. Provider-direct prices may differ. Convert to your currency on the AI Tracker.
Capabilities
Declared on the listing
- Tool / function calling Not declared
- Reasoning controls Declared
- Structured output Not declared
- InputText
- OutputText
Capabilities are read from the provider listing. “Not declared” means the listing does not advertise the feature, not that it is absent.
Why it costs this
Pricing context
- 4.3× median
- Market median blended price is $0.806/M across 417 priced models.
Alternatives
More from Perplexity
Perplexity
$6.00
/M blended
Perplexity: Sonar Reasoning Pro
Perplexity
$3.50
/M blended
Perplexity
$6.00
/M blended
Perplexity
$1.00
/M blended
Alternatives
Similar price, other providers
OpenAI
$3.50
/M blended
OpenAI
$3.50
/M blended
$3.44
/M blended
OpenAI
$3.44
/M blended
OpenAI
$3.44
/M blended
OpenAI
$3.44
/M blended
Within ±50% of $3.50/M blended.
Analysis
Related reading
Search-grounded answer models. All Perplexity models · Official site
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