UltraGPT
Perplexity: Sonar
Sonar is lightweight, affordable, fast, and simple to use — now featuring citations and the ability to customize sources. It is designed for companies seeking to integrate lightweight question-and-answer features...
Intelligence overview
127.1K tok
Context window
114.4K tok
Max output
What Perplexity: Sonar can do.
Multimodal
Image understanding
Reads and reasons over images alongside text in the same prompt.
Development
Streaming
Streams tokens as they're generated instead of waiting on the full response.
Pay for what you use.
Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.
$1 / 1M tok
$1 / 1M tok
Built for serious work.
Research
Holds up to 127.1K tokens of source material in context without losing the thread.
Create
Reads images alongside a prompt to ground creative and design work in what's actually on screen.
Ask Perplexity: Sonar anything.
A preview of the real UltraGPT composer — the model you see here is the model you get.
Continues in the UltraGPT app — one login, every model.
How Perplexity: Sonar stacks up.
The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.
Technical details.
Specification
- Context window
- 127.1K tokens
- Max output
- 114.4K tokens
- Input modalities
- Text + Image
- Output modalities
- Text
- Knowledge cutoff
- Sep 1, 2025
- Release date
- Jan 1, 2024
- Streaming
- Supported
- Tool calling
- Not supported
- JSON mode
- Not supported
More from Perplexity, and everything else.
This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.