What is the difference between OpenAI and Perplexity?

OpenAI and Perplexity are both cloud GPU providers offering different pricing models, features, and GPU availability. Use our comparison tool to see real-time pricing and feature differences.

Which is cheaper: OpenAI or Perplexity?

Pricing varies by GPU model and usage requirements. Check our real-time comparison table to find the best deals for your specific needs.

Can I switch between OpenAI and Perplexity?

Yes, both providers offer flexible cloud GPU services. However, consider factors like data transfer costs, setup time, and specific features when switching between providers.

OpenAI vs Perplexity LLM API Pricing 2026

LLM API Pricing Comparison

Total models: 9Both available: 1OpenAI: 3Perplexity: 7

Showing 9 of 9 models

Prices per 1M tokens · Last updated: 7/20/2026, 11:37:58 PM

Model ↑	OpenAI	Perplexity	Input Diff ↕
Gemini 3.1 Flash Lite Google	Not available	$0.250 in $1.50 out	—
GPT-5 OpenAI	$5.00 in $30.00 out	Not available	—
GPT-5 mini OpenAI	Not available	$0.250 in $2.00 out	—
GPT-5.4 OpenAI	$2.50 in $15.00 out	$2.50 in $15.00 out	$0.0000
GPT-5.4 Mini OpenAI	$0.750 in $4.50 out	Not available	—
Sonar Perplexity	Not available	$1.00 in $1.00 out	—
Sonar Deep Research Perplexity	Not available	$2.00 in $8.00 out	—
Sonar Pro Perplexity	Not available	$3.00 in $15.00 out	—
Sonar Reasoning Pro Perplexity	Not available	$2.00 in $8.00 out	—

Features Comparison

OpenAI

GPT Model Family
Access to GPT-4o, GPT-4o mini, and other frontier language models
Reasoning Models
o1 and o3 series models with advanced reasoning capabilities for complex problems
Multimodal Capabilities
Process text, images, audio, and video inputs with unified models
Function Calling
Structured outputs and tool use for building agents and workflows
Assistants API
Build AI assistants with code interpreter, file search, and custom tools
Fine-Tuning
Customize models on your own data for specialized use cases

Perplexity

Sonar Search Models
Proprietary models combining LLM reasoning with real-time web search and citations
Online Grounding
Responses include inline citations and sources from live web data
OpenAI-Compatible API
Drop-in replacement using standard chat completions format
Open-Source Models
Access to Llama and other open-source models alongside Sonar
Structured Outputs
JSON mode and structured output support for reliable parsing
Search Domain Filtering
Restrict or focus web search to specific domains for targeted results

Pros & Cons

OpenAI

Advantages

Industry-leading model performance and accuracy
Extensive training data providing unmatched breadth across languages and domains
Developer-friendly SDKs for Python, JavaScript, and other languages
Comprehensive documentation and large community

Considerations

Higher cost compared to open-source alternatives
Token usage can scale quickly with conversation threads
Data privacy concerns for sensitive applications

Perplexity

Advantages

Unique search-augmented generation with real-time web data
Built-in citations reduce hallucination risk
OpenAI-compatible API for easy integration
Competitive pricing on open-source model hosting

Considerations

Smaller model selection than general-purpose platforms
Search-augmented models have higher per-request costs
Less mature enterprise offering compared to larger providers

Compute Services

OpenAI

Perplexity

Pricing Options

OpenAI

Pay-per-token

Charged based on tokens processed for both input and output

Batch API

50% discount for asynchronous batch processing

Prompt Caching

Discounts for recently seen input tokens

Perplexity

Pay-per-token

Per million token pricing with separate input and output rates

Search pricing

Per-request pricing for search-augmented Sonar queries

Getting Started

OpenAI

Get Started

1
Create an account
Sign up at platform.openai.com
2
Generate API key
Create an API key in the dashboard and store it securely
3
Install SDK
Install the OpenAI SDK for Python, JavaScript, or your preferred language
4
Make your first call
Use the SDK to call OpenAI models for text generation or other tasks

Perplexity

Get Started

1
Create an account
Sign up at perplexity.ai and navigate to API settings
2
Generate API key
Create an API key from your account settings
3
Choose a model
Select from Sonar (search-augmented) or standard open-source models
4
Make first API call
Use the OpenAI-compatible chat completions endpoint

Support & Global Availability

OpenAI

Global Regions

Global availability with data residency options in US, Europe, UK, Canada, Japan, South Korea, Singapore, India, Australia, and UAE

Support

Documentation, Help Center, Developer Forum, email support, and enterprise support plans with dedicated account managers

Perplexity

Global Regions

Global availability via cloud infrastructure

Support

API documentation, Discord community, email support