What is the difference between Anthropic and OpenRouter?

Anthropic 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: Anthropic 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 Anthropic 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.

Anthropic vs OpenRouter

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

Anthropic

Provider 1

Models Available

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OpenRouter

Provider 2

212

Models Available

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Comparison Overview

212

Total LLM Models

Anthropic Models

212

OpenRouter Models

Direct Comparisons

LLM API Pricing Comparison

Total models: 212Both available: 14Anthropic: 14OpenRouter: 212

Showing 15 of 212 models

Prices per 1M tokens · Last updated: 10/26/2026, 12:38:59 PM

Model ↑	Anthropic	OpenRouter	Input Diff ↕
Claude Fable 5 Anthropic	$10.00 in $50.00 out	$10.00 in $50.00 out	$0.0000
Claude Fable 5.1 Anthropic	$10.00 in $50.00 out	$10.00 in $50.00 out	$0.0000
Claude Haiku 4.5 Anthropic	$1.00 in $5.00 out	$1.00 in $5.00 out	$0.0000
Claude Haiku 5.5 Anthropic	$0.100 in $0.500 out	$0.100 in $0.500 out	$0.0000
Claude Opus 4.1 Anthropic	Not available	$15.00 in $75.00 out	—
Claude Opus 4.5 Anthropic	$5.00 in $25.00 out	$5.00 in $25.00 out	$0.0000
Claude Opus 4.6 Anthropic	$5.00 in $25.00 out	$5.00 in $25.00 out	$0.0000
Claude Opus 4.7 Anthropic	$5.00 in $25.00 out	$5.00 in $25.00 out	$0.0000
Claude Opus 4.8 Anthropic	$5.00 in $25.00 out	$5.00 in $25.00 out	$0.0000
Claude Opus 5 Anthropic	$5.00 in $25.00 out	$5.00 in $25.00 out	$0.0000
Claude Opus 5.5 Anthropic	$4.00 in $20.00 out	$4.00 in $20.00 out	$0.0000
Claude Sonnet 4.5 Anthropic	$3.00 in $15.00 out	$3.00 in $15.00 out	$0.0000
Claude Sonnet 4.6 Anthropic	$3.00 in $15.00 out	$3.00 in $15.00 out	$0.0000
Claude Sonnet 5 Anthropic	$2.00 in $10.00 out	$2.00 in $10.00 out	$0.0000
Claude Sonnet 5.5 Anthropic	$2.00 in $10.00 out	$2.00 in $10.00 out	$0.0000

Features Comparison

Anthropic

Claude Model Family
Access to the Claude model family including Fable 5, Opus 5, Sonnet 5, and Haiku 4.5, plus the Mythos line
Claude Code
Agentic coding assistant in your terminal for enhanced development workflows
Claude Cowork
Collaborative workspace features for team projects and shared workflows
Claude Design
Design-focused product surface included with paid Claude plans
Claude Science
Customizable app for researchers that integrates common research tools and packages, produces auditable artifacts, and provides flexible access to computing resources
Claude Security
Security features and tools for enterprise security teams

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

Anthropic

Advantages

Clean API design with SDKs for Python, TypeScript, Go, Java, Ruby, PHP, and C#
200K token context window across all plans
Cost savings via prompt caching and the Batch API
Comprehensive documentation with quickstarts, courses, and a cookbook

Considerations

No image or video generation capabilities
Higher cost for top-tier Fable and Opus models
Closed source proprietary models

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

Anthropic

OpenRouter

Pricing Options

Anthropic

Pay-per-token API

Per million token pricing for Claude models with competitive rates

Consumer Plans

Free, Pro, and Max subscription tiers for individual use, billed monthly or annually

Team Plans

Per-seat pricing with monthly or annual billing, central billing, and SSO

Enterprise Plans

Self-serve and sales-assisted per-seat pricing with advanced admin, security, and compliance features, also available via AWS Marketplace

Prompt Caching

90% savings on cached content with 5-minute and 1-hour options

Batch API

50% discount on all tokens for async processing

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

Anthropic

Get Started

1
Create Console account
Sign up at platform.claude.com
2
Generate API key
Create an API key from Account Settings
3
Install SDK
pip install anthropic (Python) or npm install @anthropic-ai/sdk (TypeScript)
4
Make first API call
Call the Messages API endpoint with your API key

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

Anthropic

Global Regions

150+ countries including US, Canada, UK, EU, Australia, Japan. Available via direct API, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry

Support

Documentation, Discord community, email support, Help Center, status page, and enterprise support options

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