Sonar Reasoning Pro
Perplexity Sonar Reasoning Pro — pricing, 128k context window, API cost calculator and alternatives.
By Perplexity
Specs
- Provider
- Perplexity
- Slug
- perplexity/sonar-reasoning-pro
- Capabilities
- vision
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Sonar Reasoning Pro pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Sonar Reasoning Pro from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "perplexity/sonar-reasoning-pro",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="perplexity/sonar-reasoning-pro",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "perplexity/sonar-reasoning-pro",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Sonar Reasoning Pro?
Sonar Reasoning Pro is a large language model API from Perplexity with a 128k-token context window. It costs $2 per 1M input tokens and $8 per 1M output tokens.
How much does Sonar Reasoning Pro cost?
Sonar Reasoning Pro is priced at $2 per 1M input tokens and $8 per 1M output tokens via the Perplexity API. A 50/50 input/output workload of 1M total tokens costs about $5.
What is the context window of Sonar Reasoning Pro?
Sonar Reasoning Pro supports up to 128k tokens of context per request — roughly 256 pages of English text or 16000 lines of code at a typical density.
Does Sonar Reasoning Pro support vision, tool use, or JSON mode?
Sonar Reasoning Pro supports image input (vision). It does not support tool/function calling and structured JSON mode.
Who makes Sonar Reasoning Pro?
Sonar Reasoning Pro is built and operated by Perplexity. Pricing, context window, and capabilities on this page are refreshed nightly from Perplexity's public catalog.
Can I self-host Sonar Reasoning Pro?
Sonar Reasoning Pro is API-only — its weights are not publicly distributed by Perplexity, so it cannot be self-hosted today.