What is the difference between OpenAI and OpenRouter?

OpenAI and OpenRouter 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 OpenRouter?

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 OpenRouter?

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 OpenRouter

Compare LLM inference API pricing between OpenAI and OpenRouter. Find the best rates for AI training, inference, and ML workloads.

OpenAI

Provider 1

Models Available

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OpenRouter

Provider 2

212

Models Available

Visit Website

Comparison Overview

212

Total LLM Models

OpenAI Models

212

OpenRouter Models

Direct Comparisons

LLM API Pricing Comparison

Total models: 212Both available: 28OpenAI: 28OpenRouter: 212

Showing 15 of 212 models

Prices per 1M tokens · Last updated: 10/26/2026, 1:14:33 PM

Model ↑	OpenAI	OpenRouter	Input Diff ↕
Claude Fable 5 Anthropic	Not available	$10.00 in $50.00 out	—
Claude Fable 5.1 Anthropic	Not available	$10.00 in $50.00 out	—
Claude Haiku 4.5 Anthropic	Not available	$1.00 in $5.00 out	—
Claude Haiku 5.5 Anthropic	Not available	$0.100 in $0.500 out	—
Claude Opus 4.1 Anthropic	Not available	$15.00 in $75.00 out	—
Claude Opus 4.5 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 4.6 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 4.7 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 4.8 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 5 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 5.5 Anthropic	Not available	$4.00 in $20.00 out	—
Claude Sonnet 4.5 Anthropic	Not available	$3.00 in $15.00 out	—
Claude Sonnet 4.6 Anthropic	Not available	$3.00 in $15.00 out	—
Claude Sonnet 5 Anthropic	Not available	$2.00 in $10.00 out	—
Claude Sonnet 5.5 Anthropic	Not available	$2.00 in $10.00 out	—

Features Comparison

OpenAI

GPT Model Family
GPT-6 Astra for complex reasoning and coding, GPT-6 Sol to balance capability and cost, and GPT-6 Luna for cost-sensitive, high-volume workloads
Reasoning Models
Reasoning models for multi-step, complex tasks
Image Generation
Generate images as output with GPT Image 2
Realtime and Audio
Realtime API for voice applications plus endpoints to analyze, transcribe, and generate audio
Multimodal Capabilities
Process text, images, audio, and video inputs with unified models
Function Calling
Structured outputs and tool use for building agents and workflows

OpenRouter

Unified Model Access
Single API endpoint for 500+ models from 80+ providers across text, image, video, and audio
Automatic Fallback Routing
Requests automatically route to the best available provider for each model
OpenAI-Compatible API
Drop-in replacement using the OpenAI SDK format
Provider Optimization
Routes to the fastest or cheapest provider based on your preference
Usage-Based Pricing
Pay per token with no minimum commitments or subscriptions
Prompt Caching
Reduced pricing for cached input tokens on supported models

Pros & Cons

OpenAI

Advantages

Model performance and accuracy reported on public benchmarks
Training data spanning many 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

OpenRouter

Advantages

Largest selection of models through a single API
Transparent per-token pricing with per-provider comparison for each model
Automatic failover across multiple providers
No vendor lock-in — switch models with a single parameter change

Considerations

Platform fee on pay-as-you-go usage (5.5% Standard, 8% Business)
Latency may be slightly higher due to routing layer
No fine-tuning or custom model training

Compute Services

OpenAI

OpenRouter

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

OpenRouter

Free

25+ free models from a small set of providers, rate limited, with community support

Standard (pay-as-you-go)

Per-token model pricing plus a 5.5% platform fee, with no subscription

Business (pay-as-you-go)

8% platform fee; adds EU/US in-region routing, workload identity federation, and higher workspace limits

Enterprise

Custom agreements with fee discounts, SSO/SAML, contractual SLAs, invoicing options, a dedicated support team, and Private Endpoints as an add-on

Prompt caching

Discounted rates for cached input tokens on supported models (paid plans)

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

OpenRouter

Get Started

1
Create an account
Sign up at openrouter.ai; an organization for your team can be set up later
2
Buy credits
Purchase credits usable with any model or provider (credit card, crypto, and more)
3
Get API key
Create an API key from your dashboard
4
Make API calls
Use OpenAI-compatible endpoints or the OpenRouter Client and Agent SDKs with your key

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

OpenRouter

Global Regions

Global — routes to providers across multiple regions for optimal latency

Support

Community support on the Free plan, email support on Standard and Business, dedicated support team on Enterprise; documentation and Discord community