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AI & ML

Anthropic vs OpenAI: Pricing Comparison 2026

Side-by-side pricing comparison of Anthropic and OpenAI. See all plans, features, and costs at a glance.

Bottom line: OpenAI starts at $0.2/mo, making it $5/mo cheaper than Anthropic ($5/mo). Neither offers a free plan.

Last updated: March 16, 2026

Data compiled by Arthur Jacquemin
Updated March 16, 2026

Anthropic vs OpenAI: Quick Pricing Facts

FeatureAnthropicOpenAI
Starting Price$5/mo$0.2/mo
Number of Plans114
Free TierNoNo
Pricing Modelusage-basedusage-based
Annual DiscountN/AN/A

OpenAI is the more affordable option, starting at $0.2/mo compared to Anthropic's $5/mo. Both are AI & ML tools with 15 combined pricing plans and 0 features compared.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your AI & ML needs.

Pricing Plans
Anthropic
Anthropic
Try it free
Tier 1
$
$5/month
Start with $
GPT-5.4
$3/monthCheapest
Start with GPT-5.4
Tier 2
GPT-5 mini
$0/monthCheapest
Start with GPT-5 mini
Tier 3
GPT-4.1
$3/monthCheapest
Start with GPT-4.1
Tier 4
GPT-4.1 mini
$1/monthCheapest
Start with GPT-4.1 mini
Tier 5
GPT-4.1 nano
$0/monthCheapest
Start with GPT-4.1 nano
Tier 6
o4-mini
$4/monthCheapest
Start with o4-mini
Tier 7
Realtime API
$2/monthCheapest
Start with Realtime API
Tier 8
Sora Video API
Custom pricing
Start with Sora Video API
Tier 9
Image Generation API
$2/monthCheapest
Start with Image Generation API
Tier 10
Responses API
Custom pricing
Start with Responses API
Tier 11
Chat Completions API
Custom pricing
Start with Chat Completions API
Tier 12
Assistants API
Custom pricing
Start with Assistants API
Tier 13
Built-in tools
Custom pricing
Start with Built-in tools
Tier 14
AgentKit
Custom pricing
Start with AgentKit

Swipe to compare plans →

Anthropic

Claude AI models for safe and helpful text generation

View all Anthropic plans

OpenAI

AI models for text, image, and code generation via API

View all OpenAI plans

What Reviewers Say

Which Should You Choose?

Choose Anthropic if:

  • You prioritize safety, thoughtfulness, and nuanced reasoning in AI responses
  • Your work involves processing very long documents — Claude supports 200K token context windows
  • You want a single, clear Pro plan at $17/month rather than navigating complex API pricing tiers
  • Privacy is a priority — Anthropic does not use your conversations for model training by default

Choose OpenAI if:

  • You need access to the broadest AI model ecosystem — GPT-5, GPT-4.1, o4-mini, DALL-E, Sora, and more
  • Your use case involves image generation, video creation, or multimodal tasks beyond text
  • You want the most widely-adopted API with the largest developer community and tooling ecosystem
  • You need specialized models for different tasks — from nano-sized models for speed to full-scale models for quality

Anthropic and OpenAI represent the two leading approaches to frontier AI, and their pricing structures reflect their different philosophies. Anthropic keeps it simple: Free, Pro at $17/month, and Max at $100/month for power users. OpenAI offers a sprawling menu of models and pricing tiers, from GPT-4.1 nano at $0.20/month to specialized APIs for video, images, and real-time audio. For individual users choosing a chatbot subscription, both Pro plans cost $17/month. Claude Pro gives you access to Claude's full model family with higher usage limits and 200K token context. ChatGPT Plus gives you GPT-5, GPT-4.1, DALL-E image generation, Advanced Voice Mode, and access to the GPT Store. If you primarily need a text-based AI assistant for writing, coding, and analysis, Claude's longer context window and more considered responses give it an edge. If you want a Swiss Army knife that also generates images, browses the web, and runs code, ChatGPT offers more breadth. For developers building applications, the choice depends on your use case. OpenAI's API ecosystem is larger and more mature, with more model options at various price/performance tradeoffs. Anthropic's API is simpler, with fewer models but consistently strong performance on reasoning and safety benchmarks. Both companies are iterating rapidly. The best approach is to test both on your actual workload — the free tiers make this easy — and choose based on output quality for your specific tasks rather than brand loyalty.

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Frequently Asked Questions: Anthropic vs OpenAI

Which is cheaper, Anthropic or OpenAI?
As of March 2026, OpenAI starts at a lower price point. Anthropic starts at $5/mo while OpenAI starts at $0.2/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does Anthropic have vs OpenAI?
Anthropic offers 1 pricing plan, while OpenAI offers 14 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Anthropic or OpenAI offer custom enterprise pricing?
OpenAI offers a custom-priced enterprise tier for larger teams. Anthropic lists all its pricing publicly.
How do Anthropic and OpenAI compare for AI & ML?
Both Anthropic and OpenAI are AI & ML tools. Anthropic offers 1 plan starting at $5/mo, while OpenAI offers 14 plans starting at $0.2/mo. Review the feature breakdowns above to see which better fits your AI & ML needs.

Sources

  1. Anthropic Official PricingVendor pricing page
  2. OpenAI Official PricingVendor pricing page

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