Sonar Pro Search vs Aion-3.0
Aion-3.0 is 1.6× cheaper than Sonar Pro Search on a blended basis. Sonar Pro Search has the larger context window at 200K tokens.
Side by side
Green marks the better value in each row where a comparison is meaningful.
| Attribute | Sonar Pro Search | Aion-3.0 |
|---|---|---|
| Provider | Perplexity | AionLabs |
| Input / 1M tokens | $3.00 | $3.00 |
| Output / 1M tokens | $15.00 | $6.00 |
| Blended / 1M tokens | $6.00 | $3.75 |
| Cached input / 1M | - | $0.750 |
| Context window | 200K | 131K |
| Max output | 8K | 33K |
| Input modalities | text, image | text |
| Reasoning | Yes | Yes |
| Tool calling | No | Yes |
| Structured output | Yes | Yes |
| Prompt caching | No | Yes |
| Open weights | No | No |
| Knowledge cutoff | - | - |
| Released | October 30, 2025 | July 7, 2026 |
Frequently asked
Is Sonar Pro Search or Aion-3.0 cheaper?
Aion-3.0 is 1.6× cheaper than Sonar Pro Search on a blended basis.
What is the price difference between Sonar Pro Search and Aion-3.0?
Sonar Pro Search costs $3.00 per million input tokens and $15.00 per million output tokens. Aion-3.0 costs $3.00 and $6.00 respectively.
Which has the larger context window, Sonar Pro Search or Aion-3.0?
Sonar Pro Search, at 200K tokens versus 131K.