A thorough comparison of ChatGPT and Claude. Learn how to choose in practice across document processing, multimodal capabilities, coding accuracy, cost, and security. A practical guide for managers.

"ChatGPT and Claude... how should we use them differently?"

Have you ever been asked this question by a team member? In fact, the two have clear differences. If you understand each one's strengths, you can dramatically improve operational efficiency.

In this article, we explain the differences between ChatGPT and Claude from their capabilities to concrete ways to choose in day-to-day work, so that managers can confidently explain it to their teams.

Differences in document processing: choose by how much data you can handle

Comparing token capacity

Model	Max tokens	Japanese-character equivalent
Claude 4 Opus/Sonnet	200k tokens	~150k characters
ChatGPT GPT-4o	128k tokens	~96k characters
ChatGPT GPT-4.1	1M tokens	~750k characters

Practical usage examples

If you need to analyze very long contracts or specifications, Claude is efficient. If you need to process extremely large volumes of data, GPT-4.1 is a good choice. For general document creation, either tool is sufficient.

Multimodal capabilities: handling diverse inputs/outputs

Feature comparison table

Feature	ChatGPT	Claude
Text processing	Yes	Yes
Image understanding	Yes	Yes
Image generation	Yes (DALL-E 3)	No
Voice conversation	Yes	No
Video processing	Yes	No
Web browsing	Yes	No

Rule of thumb for choosing

Broadly speaking, ChatGPT is suited to creating presentation materials and tasks where you need images, while Claude is suited to text-focused analysis and writing.

Ecosystem comparison: GPTs and custom AI creation

ChatGPT's unique ecosystem

One of ChatGPT's biggest features is GPTs (custom AI creation and sharing). As of 2025, ChatGPT enables the following:

Create custom GPTs: create AI assistants specialized for specific purposes without programming knowledge
GPT Store: search and use hundreds of thousands of custom GPTs
Monetization: earn revenue based on usage of your GPTs
External API integration: integrate GPTs with external systems via custom actions

Claude's current state

At present, Claude does not provide custom bot creation or a marketplace feature. Anthropic is focusing on providing high-quality base models.

Impact on business adoption

In enterprise AI adoption, GPTs become an important selection criterion:

Deploy customized AI assistants per department
Create GPTs that integrate with an internal knowledge base
Develop specialized GPTs for customer support

Response speed and stability

Speed comparison (2025 benchmarks)

Item	ChatGPT GPT-4o	Claude 4 Sonnet
Average response speed	Excellent (24% faster)	Standard
Generation speed	~300ms (human conversation level)	Slightly slower
Stability under heavy workloads	Standard	Excellent (consistent performance)

Practical selection guidelines

Need fast responses: ChatGPT (chatbots, real-time responses)
Stable processing of large texts: Claude (long-form analysis, complex tasks)
Cost-focused for API usage: ChatGPT (more economical pricing)

Coding capabilities: how strong as a development assistant

ChatGPT: Advanced Data Analysis

Can execute code
Automates data analysis and chart creation
Work in a Jupyter Notebook-like environment

Claude: Artifacts

Focused on code editing and preview
72.7% on the SWE-Bench benchmark (industry-leading)
More accurate code generation
Claude 4 supports complex problem-solving with "Extended Thinking"

CLI development tools

Both companies provide CLI tools. With ChatGPT Codex and Claude Code, you can get AI assistance directly from the terminal.

Real-world coding capability comparison (2025 developer evaluations)

Benchmark results

SWE-bench (real-world software engineering tasks): Claude 4 at 72.7%, GPT-4o at 54.6%
HumanEval (standard coding tests): Claude 3.5 Sonnet at 92.0%, GPT-4o at 88%

Developer feedback

Claude strengths:

Code quality: generates nearly bug-free code on the first attempt
Structure: better organization, appropriate comments, fewer edits needed
Context understanding: handles complex projects with a 200k-token context window
Tool integrations: default choice in major dev tools like Cursor IDE, Aider, and 16x Prompt

ChatGPT strengths:

Algorithm implementation: excellent at complex algorithms and handling edge cases
Beginner support: clear, concise code structure and learning-friendly explanations
Versatility: an integrated AI toolkit that includes non-coding capabilities as well

Practical selection guidelines

Serious development work: Claude (quality-first, larger projects)
Learning and debugging support: ChatGPT (explanation-first, multi-functional)
Prototyping: both are strong; choose based on your use case

Cost and security: key points for organizational rollout

Pricing models

Plans for individuals and teams

Service	Price	Key features
ChatGPT
Free	Free	Basic access to GPT-4o
Plus	$20/month	GPT-4o, image generation, 40-50 messages / 3 hours
Teams	$25/user/month (annual) $30/user/month (monthly)	100 messages / 3 hours, team features, minimum 2 users
Pro	$200/month	Unlimited access, latest features including o1 models
Claude
Free	Free	Basic access to Claude Sonnet 4
Pro	$20/month	Claude 4 Opus/Sonnet, priority access
Max (standard)	$45/month	Pro features + 5x usage
Max (expanded)	$100/month	Pro features + 10x usage
Max (maximum)	$200/month	Pro features + 20x usage
Teams	$25/user/month	Team features, minimum 5 users

Enterprise plans

ChatGPT Enterprise: custom pricing (contact sales). Minimum 150 users, annual contract required. Reported at about $60/user/month. Includes enterprise-grade security, SAML SSO, SCIM provisioning, and dedicated support.

Claude Enterprise: custom pricing (contact sales). Minimum 70 users, annual contract required. Reported at about $60/user/month. Features native GitHub integration, audit logs, role-based access control, and compliance features.

Example API pricing

Model	Input price	Output price	Use case
GPT-4.1 nano	$0.10 / 1M tokens	$0.10 / 1M tokens	High-volume processing
GPT-4o	$5 / 1M tokens	$15 / 1M tokens	High-performance processing
Claude 4 Sonnet	$3 / 1M tokens	$15 / 1M tokens	Balanced, fast processing
Claude 4 Opus	$15 / 1M tokens	$75 / 1M tokens	Deep reasoning, complex tasks

Differences in security

Item	ChatGPT	Claude
Training use of your data	Requires opt-out via settings	Not used across all plans
Enterprise support	Yes	Yes
SOC2 compliance	Yes	Yes

If you handle sensitive information, Claude is recommended, but ChatGPT can also be used safely if you manage settings strictly.

Other major LLM platforms

When choosing AI tools, it can be worth considering options beyond ChatGPT and Claude:

Grok 4 (xAI): for X Premium+ subscribers (about $16-22/month). Reported to have top scores on major 2025 benchmarks. Strong reasoning and real-time information access.

Gemini 2.5 Pro (Google): supports 1M+ token context sizes. Strong in multimodal tasks and deeply integrated with Google Workspace. Offers usage-based plans.

DeepSeek (from China): a major open-source-aligned option. Offers GPT-4-level performance at an extremely low price (around $0.0008 per 1K tokens). A strong option for cost-focused organizations.

Open-source options: Meta (Llama 4), Mistral, Alibaba (Qwen), etc. Can be run on your own infrastructure. Upfront cost is higher, but it enables long-term cost reduction and full data control.

By evaluating these alternatives as well, you can choose the AI solution that best matches your organization's needs.

A practical selection strategy you can start tomorrow

Step 1: Clarify your purpose

Define what you want to achieve and list the capabilities you need.

Step 2: Try both free tiers

Run the same task on both tools and compare usability and outputs.

Step 3: Define selection rules

Multimedia processing and up-to-date information -> ChatGPT
Specialized coding and long-form text processing -> Claude
Using both together often yields the best results

Concrete prompt examples

Here are prompt examples to bring out the best in each tool:

Example prompt for ChatGPT

You are an excellent marketer. Based on the attached product materials,
create five catchy ad copy variants for a youth audience.
For each variant, include:
- A social post version (within 140 characters)
- A catchphrase for a video ad
- Key appeal points for the target audience

Example prompt for Claude

Summarize the attached meeting minutes (10,000 Japanese characters) within 500 characters in a structured way,
and organize the output in the following format:
1. Key decisions (in priority order)
2. A list of owners and deadlines
3. Action items until the next meeting
4. Unresolved issues and discussion points

Points for choosing

ChatGPT: best for tasks requiring creativity and diversity
Claude: best for tasks requiring structured analysis and logical organization

Summary

ChatGPT and Claude are AI tools with different strengths. ChatGPT excels at multimodal features and accessing the latest information, while Claude excels at highly accurate coding assistance and long-form text processing.

The key is not to cling to one tool, but to choose based on the task. By understanding both tools and using them appropriately, you can significantly improve your team's productivity.

Next time, we will explain "three practical techniques to prevent AI hallucinations." Stay tuned.

About HIKUTAS Inc.

HIKUTAS Inc. defines "Small Team, Big Impact" as its social role, and supports productivity improvement through DX and AIX (AI-driven transformation). By introducing AI-based work efficiency and automation solutions, we create a big impact for our customers' organizations.

We have many successful cases of using ChatGPT, Claude, and other AI tools in real business settings. We provide comprehensive support from AI adoption planning to implementation and operations.

If you have any challenges with AI adoption, feel free to reach out.

Contact us at /contact.