What is the difference between Anthropic and OpenAI?

Anthropic and OpenAI 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 OpenAI?

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 OpenAI?

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 OpenAI

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

Anthropic

Provider 1

Models Available

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OpenAI

Provider 2

Models Available

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Comparison Overview

Total LLM Models

Anthropic Models

OpenAI Models

Direct Comparisons

LLM API Pricing Comparison

Total models: 42Both available: 0Anthropic: 14OpenAI: 28

Showing 15 of 42 models

Prices per 1M tokens · Last updated: 10/26/2026, 2:06:22 PM

Model ↑	Anthropic	OpenAI	Input Diff ↕
Claude Fable 5 Anthropic	$10.00 in $50.00 out	Not available	—
Claude Fable 5.1 Anthropic	$10.00 in $50.00 out	Not available	—
Claude Haiku 4.5 Anthropic	$1.00 in $5.00 out	Not available	—
Claude Haiku 5.5 Anthropic	$0.100 in $0.500 out	Not available	—
Claude Opus 4.5 Anthropic	$5.00 in $25.00 out	Not available	—
Claude Opus 4.6 Anthropic	$5.00 in $25.00 out	Not available	—
Claude Opus 4.7 Anthropic	$5.00 in $25.00 out	Not available	—
Claude Opus 4.8 Anthropic	$5.00 in $25.00 out	Not available	—
Claude Opus 5 Anthropic	$5.00 in $25.00 out	Not available	—
Claude Opus 5.5 Anthropic	$4.00 in $20.00 out	Not available	—
Claude Sonnet 4.5 Anthropic	$3.00 in $15.00 out	Not available	—
Claude Sonnet 4.6 Anthropic	$3.00 in $15.00 out	Not available	—
Claude Sonnet 5 Anthropic	$2.00 in $10.00 out	Not available	—
Claude Sonnet 5.5 Anthropic	$2.00 in $10.00 out	Not available	—
GPT-3.5 Turbo OpenAI	Not available	$0.500 in $1.50 out	—

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

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

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

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

Compute Services

Anthropic

OpenAI

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

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

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

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

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

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