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Updated May 2, 2026LLMs Comparison

GPT-5 vs Anthropic Claude Comparison

A detailed comparison of GPT-5 and Anthropic Claude.

G

GPT-5

OpenAI's frontier model launched August 2025 with unified reasoning and multimodal capabilities.

Primary Task

Frontier General-purpose LLM

Pricing

Pay-as-you-go

Key Features

  • Adaptive Reasoning Depth
  • Extended Thinking
  • Multimodal (Text, Images, Audio, Video)
  • 128K+ Context
A

Anthropic Claude

The AI assistant for your tasks.

Primary Task

AI Intelligence

Pricing

Paid

Key Features

  • Claude 3
  • Large Context
  • Safety Focused

At a Glance

FeatureGPT-5Anthropic Claude
Primary TaskFrontier General-purpose LLMAI Intelligence
Pricing ModelPay-as-you-goPaid
Founded20152021
Context WindowN/AN/A
Training DataN/AN/A
Open Source
API CostN/AN/A
MultimodalN/A

Pros & Cons

G

GPT-5

Strengths

  • Best-in-class general capability
  • Adaptive reasoning (fast to deep)
  • Massive ecosystem and third-party support
  • Continuous updates (5.1, 5.2, 5.3)

Limitations

  • Expensive for high-volume use
  • Closed source
  • API waitlists for new features
A

Anthropic Claude

Strengths

  • Huge context window
  • More natural writing
  • Safety focus

Limitations

  • Slower than GPT-4
  • Fewer tools (no code interpreter)
  • API limits
Final Decision

The Verdict

Both tools are excellent. Here's how to choose the right one for your project.

G

Choose GPT-5

Best for

  • Strong Adaptive Reasoning Depth capabilities
  • Pay-as-you-go pricing model
  • Frontier General-purpose LLM workflows
A

Choose Anthropic Claude

Best for

  • Claude 3 focused projects
  • Paid approach
  • AI Intelligence use cases

Frequently Asked Questions

What is the main difference between GPT-5 and Anthropic Claude?

GPT-5 is primarily a Frontier General-purpose LLM, while Anthropic Claude is focused on AI Intelligence. OpenAI's frontier model launched August 2025 with unified reasoning and multimodal capabilities. The AI assistant for your tasks.

Is GPT-5 open source?

No, GPT-5 is a commercial product with a pay-as-you-go model.

Is Anthropic Claude open source?

No, Anthropic Claude is a commercial product with a paid model.

Which is better for LLMs?

It depends on your specific needs. GPT-5 is often chosen for its adaptive reasoning depth capabilities, while Anthropic Claude is popular for its claude 3 features.