How much does Sonar Reasoning Pro cost per million tokens?

Sonar Reasoning Pro costs $2 per million input tokens and $8 per million output tokens at list price.

What is the context window of Sonar Reasoning Pro?

Sonar Reasoning Pro accepts up to 128,000 tokens of context and returns up to 115,200 output tokens.

How much do 1,000 chat messages cost with Sonar Reasoning Pro?

About $6.00, assuming 1,000 input + 500 output tokens per message.

Is there a cheaper alternative to Sonar Reasoning Pro?

In the same price range, OpenAI GPT-6 Luna Pro ($0.1 / $0.5), OpenAI GPT-6 Luna ($0.1 / $0.5), SpaceXAI Grok 4.7 ($2 / $6) cost less per token. Quality differs: test on your own prompts.

Where can I buy Perplexity API credits for less?

Discount credit books resell OpenRouter usage below face value within their depth, OpenRouter adds a 5.5% card fee, and Perplexity sells its own credits at face value. The live table on this page ranks them for $100 of usage.

Perplexity · live price

Sonar Reasoning Pro API pricing

Note: Sonar Pro pricing includes Perplexity search pricing. See details here Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for...

Mid-range ($1–5 per 1M)Reasoningimage input

Input: $2; per 1M tokens
Output: $8; per 1M tokens
Cached input: –; per 1M tokens
Context: 128K; 115K max output

List price from OpenRouter, which passes Perplexity's price through without markup. Refreshed hourly. Released March 7, 2025. Model id perplexity/sonar-reasoning-pro.

What Sonar Reasoning Pro costs in practice

At list price, before any batch or caching discount.

1,000 chat messages

$6.00

1,000 input + 500 output tokens each

1,000 RAG questions

$20.00

8,000 input + 500 output tokens each

100 coding-agent steps

$7.60

30,000 input + 2,000 output tokens each, no caching

Sonar Reasoning Pro price history

No price change since we started tracking on 2026-10-01. We record prices daily; changes will show here.

Sonar Reasoning Pro price by host

One host serves this model through OpenRouter.

Perplexity$2 in · $8 out · 128K ctx · 99.9% uptime 24h

Where to buy Perplexity credits for less

Sonar Reasoning Pro costs the same per token everywhere it's sold through OpenRouter. What changes is the price of the credits. Live quotes for $100 of usage:

#	Where you buy	You payYou pay for $100.00 of usage	vs list price	Price source
1	OrbioCardCheapest right now Credits from a discount book, plus a 5% platform fee and card processing, both included in the quote.	$85.10 incl. $2.60 card processing	-14.9%	live quote
2	smaaartCard Credits from a discount book, plus a 5% platform fee on face value. Card processing and taxes shown at checkout.	$95.00 + card processing and tax at checkout (not in this number)	-5.0%	live quote
3	Direct from the labCard Prepaid credits at face value (OpenAI, Anthropic, Google…). Taxes may apply.	$100.00 no top-up fee	list price	face value
4	OpenRouterCrypto 5% on crypto purchases. No markup on model prices.	$105.00 fees included	+5.0%	published fee
5	OpenRouterCard 5.5% on card purchases, $0.80 minimum. No markup on model prices.	$105.50 fees included	+5.5%	published fee

Disclosure: this site is run by the team behind smaaart, one of the options compared. Tables are ranked by price only, from live quotes and published fees, including when smaaart isn't first. How we compare

Sonar Reasoning Pro cost calculator

Enter your monthly tokens to price your own usage.

Model$2.00 in / $8.00 out per 1M tokens · list price, liveInput tokens / month (millions)Output tokens / month (millions)

Usage at list price$180.00/ month

Cheaper alternatives to Sonar Reasoning Pro

Other labs' models in the same price range or the one below, cheaper per token.

Model	Input / 1M	Output / 1M	Blended 3:1	Context
OpenAI: GPT-6 Luna Pro	$0.1	$0.5	$0.2	1.1M
OpenAI: GPT-6 Luna	$0.1	$0.5	$0.2	1.1M
SpaceXAI: Grok 4.7	$2	$6	$3	500K
Qwen: Qwen3.8 Omni Flash	$0.15	$0.47	$0.23	1M
Z.ai: GLM 5.3 FlashX	$0.37	$1.25	$0.59	1.0M
DeepSeek: DeepSeek V4.1 Flash	$0.03	$0.5	$0.147	1.0M

Other Perplexity models

Model	Input / 1M	Output / 1M	Blended 3:1	Context
Sonar Pro	$3	$15	$6	200K
Sonar Deep Research	$2	$8	$3.50	128K
Sonar	$1	$1	$1	127K
Sonar Pro Search	$3	$15	$6	200K

All Perplexity API prices