Sonar Reasoning
Pricing & Specs
Perplexity · $1 input / $5 output per 1M tokens · 128K context window
No longer offered on OpenMark
Sonar Reasoning is no longer offered on OpenMark (deprecated or superseded upstream). Its specs are kept here for reference — if you're still running it in production, it's worth benchmarking current alternatives: newer models are often cheaper AND better on the same task.
Sonar Reasoning API Pricing
| Tokens | Price |
|---|---|
| Input | $1 / 1M tokens |
| Output | $5 / 1M tokens |
No cache pricing is published. Batch pricing is not documented.
What that means in practice
Sonar Reasoning Specs
| Spec | Value |
|---|---|
| Context window | 128K tokens |
| Input modalities | text, image |
| Output modalities | text |
| Latency (measured by OpenMark) | ~8.1s median response |
| Reasoning model | Yes |
| Tool / function calling | No |
| JSON mode | Yes |
| Streaming | Yes |
| Prompt caching | No |
Capabilities
Notes
Use sonar-reasoning-pro instead. ⚠️ Request fee applies.
FAQ
How much does Sonar Reasoning cost?
Sonar Reasoning costs $1 per 1M input tokens and $5 per 1M output tokens.
What is Sonar Reasoning's context window?
Sonar Reasoning has a 128K-token context window.
Can I test Sonar Reasoning on my own task?
Sonar Reasoning is no longer offered on OpenMark, but you can benchmark its current alternatives from Perplexity and other providers on your own task — free tier available.
Still using Sonar Reasoning?
It's been superseded. Benchmark its current alternatives on your actual
workload — you'll likely find something cheaper AND better. Free tier available.