ChatGPT and Claude are both cloud-hosted AI assistants with free tiers and paid plans that scale up to enterprise administration, while Jan is a fully free,…
Best for: Users who want the broadest general-purpose assistant with voice, image generation, real-time web browsing, and a fast-moving feature set across web, mobile, and desktop
Freemium / Subscription / Usage-based API · From Free (Pro from $17/month billed annually)
Best for: Users and teams focused on coding and agentic workflows who want strong developer tooling through Claude Code plus enterprise-grade admin, SSO, and audit features
Best for: Users who want a completely free, open-source, offline-capable AI assistant that keeps data on-device and offers an OpenAI-compatible local API for developers
At a Glance
ChatGPT
Claude
Jan
Primary category
AI Chatbots
AI Chatbots
AI Chatbots
Rating
Not documented
Not documented
Not documented
Pricing model
Freemium
Freemium / Subscription / Usage-based API
Free
Starting price
Free
Free (Pro from $17/month billed annually)
Free
Free plan
Yes
Yes
Not documented
Free trial
Not documented
Not documented
Not documented
Platforms
Web, iOS, Android, Mac, Windows
Web, iOS, Android, Mac, Windows
Mac, Windows
Team collaboration
Not documented
Not documented
Not documented
AI features
Yes
Yes
Yes
Public API
Yes
Yes
Yes
Standout Differences
Jan is the only fully offline, privacy-first option
Jan runs open-weight models entirely on a user's own device with no telemetry by default, while ChatGPT and Claude are both cloud-hosted services that require an internet connection and send data to the provider.
Jan, ChatGPT, Claude
ChatGPT and Claude both scale from free to enterprise
Both platforms offer a free tier alongside paid consumer plans and custom enterprise pricing with admin controls, giving individuals and organizations a path to upgrade as usage grows.
ChatGPT, Claude
Claude Code differentiates Claude for developers
Claude's dedicated Claude Code product and emphasis on agentic tasks give it a distinct edge for coding-focused workflows compared to ChatGPT's more general code execution feature.
Claude
ChatGPT covers the widest range of built-in capabilities
Voice mode, custom GPTs, image generation, and real-time web browsing are all documented ChatGPT features that are not all matched feature-for-feature by Claude or Jan.
ChatGPT
Jan is free to use with no subscription required
Jan is free and open source with local models, or usable with cloud models by bringing your own API key, avoiding the recurring subscription costs of ChatGPT Plus or Claude Pro.
Jan
Feature-by-Feature
Availability and Privacy
Feature
ChatGPT
Claude
Jan
Free to use
Available
Available
Available
Fully offline or local operation
Unavailable
Unavailable
Available
No telemetry by default
Not documented
Not documented
Available
Core Capabilities
Feature
ChatGPT
Claude
Jan
Real-time web search or browsing
Available
Available
Not documented
Image generation
Available
Not documented
Not documented
Coding-focused agent tooling
Available
Available
Not documented
Developer and Enterprise
Feature
ChatGPT
Claude
Jan
Developer API
Available
Available
Available
Enterprise administration (SSO, audit logs)
Available
Available
Unavailable
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
ChatGPT
Free — $0/month N/A
Go — $8/month monthly
Plus — $20/month monthly
Pro — $200/month monthly
Business — $25-30/user/month monthly or annual
Enterprise — Custom annual
Claude
Free — $0 N/A
Pro — $17/month (annual) or $20/month (monthly) Monthly or annual
Max — From $100/month Monthly
Team — $20-25/month per standard seat; $100-125/month per premium seat Monthly or annual
Enterprise — Custom Custom
Jan
Free (Local Models) — Free N/A
Bring Your Own Key (Cloud Models) — Free app, pay provider directly N/A
Pros & Cons
ChatGPT
Pros
Extremely capable general-purpose AI assistant for writing, coding, and research
Usable free tier with no cost to get started
Available across web, mobile, and desktop platforms
Fast-moving feature set including voice, agents, and coding tools
Cons
Free tier has tight usage limits compared to paid plans
Pro tier is expensive at $200/month
Outputs can be inaccurate or hallucinate and require human verification
Enterprise-grade features require a custom sales conversation rather than self-serve signup
Claude
Pros
Free tier available alongside multiple paid tiers for different usage levels
Strong coding and agentic-task capabilities via Claude Code
Enterprise-grade compliance and admin features (SSO, SCIM, audit logs)
Available across web, desktop, mobile, and API, plus major cloud marketplaces
Cons
Usage limits on Free and Pro tiers can be restrictive for heavy users
Max and Enterprise tiers are significantly more expensive than entry-level plans
API costs scale with token usage and can be harder to predict than flat subscriptions
Enterprise pricing is not published and requires a custom quote
Jan
Pros
Completely free and open source under Apache 2.0
Works fully offline with no data leaving the device
OpenAI-compatible API makes it a drop-in local backend for developers
Supports both local open-weight models and cloud models in one app
Large, active community with frequent updates
Cons
Local model quality and speed depend heavily on the user's own hardware
Larger, more capable models require significant RAM or GPU resources
Persistent memory across conversations is on the roadmap but not yet available
Less polished enterprise support compared to commercial AI platforms
Model management and quantization concepts have a learning curve for non-technical users
Use Cases
Choose ChatGPT: Users who want the broadest general-purpose assistant with voice, image generation, real-time web browsing, and a fast-moving feature set across web, mobile, and desktop
Choose Claude: Users and teams focused on coding and agentic workflows who want strong developer tooling through Claude Code plus enterprise-grade admin, SSO, and audit features
Choose Jan: Users who want a completely free, open-source, offline-capable AI assistant that keeps data on-device and offers an OpenAI-compatible local API for developers
ChatGPT
Everyday writing and research — Draft emails, summarize documents, and answer general questions in natural language.
Software development assistance — Write, explain, debug, and refactor code across many programming languages.
Enterprise AI assistant deployment — Roll out a secure, admin-controlled AI assistant across an organization with SSO and data protections.
Claude
Everyday knowledge work — Using Claude's chat interface for writing, research, summarization, and brainstorming.
Agentic software development — Using Claude Code to read, write, and run code across a codebase for multi-step development tasks.
Enterprise AI deployment — Building regulated or large-scale AI applications with SSO, audit logs, and compliance controls via Enterprise plans or the API.
Jan
Private, offline AI chat — Individuals use Jan to chat with AI models without sending any data to external servers, ideal for sensitive personal or business information.
Local development and prototyping — Developers use Jan's OpenAI-compatible local server to build and test AI features against local models before switching to production APIs.
Regulated and air-gapped environments — Organizations that cannot send data to external AI vendors use Jan to run models entirely within their own infrastructure.
Frequently Asked Questions
What is the main difference between ChatGPT, Claude, and Jan?
ChatGPT and Claude are cloud-hosted AI assistants from OpenAI and Anthropic with free and paid tiers, while Jan is a free, open-source app that runs open-weight AI models entirely offline on the user's own computer.
Is Jan really free with no subscription?
Yes, Jan is free and open source under Apache 2.0 for running local models, and it also supports bringing your own API key to connect to cloud models if you want to pay a provider directly instead of a Jan subscription.
Which is best for coding, ChatGPT or Claude?
Claude has a dedicated Claude Code product built for agentic coding tasks, while ChatGPT offers a general code execution feature; both are capable, but Claude leans more specifically into developer and agentic workflows.
Can Jan generate images like ChatGPT?
Image generation is not documented as a Jan feature, while ChatGPT includes image generation as part of its core feature set.
Does Jan work without an internet connection?
Yes, Jan's core feature is fully offline local inference using open-weight models, with no telemetry by default, unlike ChatGPT and Claude which require a connection to their cloud services.
Do ChatGPT and Claude both offer enterprise plans?
Yes, both offer enterprise-tier plans with custom pricing that add administration features such as SSO and audit logs, while Jan does not document enterprise administration features since it is a local-first, open-source app.