Jan

Jan

Jan is a free, open-source local AI assistant that runs open models — Llama, Mistral, Qwen, DeepSeek — right on your desktop.

73/100Safe BetFreeFree

If you want a local AI workstation you actually control, Jan's v0.8.x cadence is the strongest argument for it — bundled llama.cpp 0.5.0, working web search, artifacts, message branching and an OpenAI-compatible local endpoint, all in a free open-source app. The catch is unchanged: you bring the GPU (or at least 8GB of RAM), you absorb the setup time, and Memory isn't there yet. Choose a hosted assistant if zero-config polish matters more than data residency.

Verified 5d ago · liveness 73/100 · cite: rightaichoice.com/tools/jan

Best for
  • Privacy-conscious professionals handling confidential documents that cannot leave the machine
  • Developers who want a local OpenAI-compatible endpoint plus MCP tooling and an unbundled CLI
  • Researchers running reproducible offline experiments across Llama, Mistral, Qwen and DeepSeek
  • Power users switching between local and hosted models from a single desktop interface
Not ideal for
  • Users who want a polished, zero-setup chat assistant out of the box
  • Anyone without a capable GPU or at least 8GB of RAM for local models
  • Teams needing centralized user management, SSO and a vendor support agreement
Visit Website

IntermediateDesktop app plus one small model: roughly 15-30 minutes on a machine with the download bandwidth. Desktop plus a large local model and a working local API server: an afternoon, since you are choosing quantizations and backends. Adding the separately distributed Jan Agent: plan a second session to stand up its host.Desktop · APIAPI availableVerified 5d ago
Pricing
Free
FreeFree tier3 hidden costs
Learning curve
Intermediate
Desktop app plus one small model: roughly 15-30 minutes on a machine with the download bandwidth. Desktop plus a large local model and a working local API server: an afternoon, since you are choosing quantizations and backends. Adding the separately distributed Jan Agent: plan a second session to stand up its host.
Runs on
DesktopAPI
API available · 4 integrations
Who it's for
Privacy-conscious consultantDeveloper building on a local endpointResearcher comparing open models
Live sentiment
Is Jan actually worth it?

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  • Real pros & cons from real users
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Skip it if

Skip Jan if you want a turnkey assistant with no hardware or model management on your side, or if your workflow depends on memory carrying context across sessions.

The 30-second take
Biggest gripe

Local models are free to run, but the hardware is not — a GPU or 8GB-plus of RAM is a real up-front cost that decides which models you can actually load.

Price reality

Jan is a free, open-source download, so the cost comparison is against hosted subscriptions like ChatGPT Plus or Claude Pro and against your electricity and hardware. Compared with Ollama and LM Studio, the software price is the same — nothing — and the difference is Jan's MCP tooling, CLI and separately distributed Jan Agent.

In short

Jan — Jan is a free, open-source local AI assistant that runs open models — Llama, Mistral, Qwen, DeepSeek — right on your desktop. Best for Privacy-conscious professionals handling confidential documents that cannot leave the machine, Developers who want a local OpenAI-compatible endpoint plus MCP tooling and an unbundled CLI, Researchers running reproducible offline experiments across Llama, Mistral, Qwen and DeepSeek. Free to use.

What's new in Jan

Checked 5 days ago

Across the latest 3 updates: 1 feature update and 2 changelog entries.

What people actually say about Jan — is it worth it?

We scanned public community sources for Jan on Jul 3, 2026 and could not establish that the discussion we found is about this tool rather than something else sharing its name. Our own analysis of that scan says the posts were off-subject. Rather than publish a sentiment score built on the wrong subject, we publish nothing here and re-run the scan.

Viability Score

73/100
Safe Bet

How well maintained and how widely used is Jan? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this

Recent activity
90
Traction
100
Site health
95
User sentiment
30
What the vendor publishes
40

Last calculated: October 2026

How we score →

Key Features

  • Offline chat with local open models from HuggingFace
  • Bundled llama.cpp engine 0.5.0 shipped inside the app (v0.8.5)
  • Native web_search and web_fetch tools (v0.8.4)
  • Per-model chat template kwargs for llama.cpp (v0.8.4)
  • Token counter for remote and MLX providers (v0.8.4)
  • Backend-managed settings and credentials store (v0.8.4)
  • Message version branching with history (v0.8.3)
  • HTML and SVG artifact previews in chat (v0.8.3)
  • Video input for local vision models (v0.8.3)
  • Unified reasoning and tool timeline (v0.8.3)
  • AMD ROCm/HIP backend support on Linux (v0.8.2)
  • Pause-and-resume model downloads (v0.8.2)
  • Anthropic-compatible custom providers (v0.8.1)
  • Multi-Token Prediction for llama.cpp models (v0.8.0)
  • MCP tool images delivered to the model (v0.8.6)

About Jan

FreeIntermediateAPI availableDesktop · API

Jan is a free, open-source desktop AI assistant that runs models on your own machine — macOS, Windows or Linux — so conversations stay on your hardware. It is aimed at privacy-conscious professionals, developers and researchers who would rather own the stack than rent a chat window. You get 6.9M+ downloads and 44.9K GitHub stars worth of company, and a model library spanning Llama, Mistral, Qwen, DeepSeek, Gemma, Kimi plus hosted OpenAI, Anthropic and Google endpoints from the same interface. Recent releases pushed it well beyond chat. v0.8.4 (21 July 2026) added native web_search and web_fetch tools, per-model chat-template kwargs for llama.cpp, a token counter for remote and MLX providers, and a backend-managed settings and credentials store. v0.8.3 introduced navigable message version branching, HTML and SVG artifact previews, video input for local vision models, and a unified reasoning/tool timeline. v0.8.2 brought AMD ROCm/HIP backend support on Linux plus pause-and-resume downloads, and v0.8.0 shipped Multi-Token Prediction with a unified llama.cpp router process. The October 2026 releases tightened the plumbing. v0.8.5 now bundles llama.cpp engine 0.5.0 inside the app instead of downloading it, unbundles the jan CLI, renames the desktop binary Jan-Desktop, and enforces Trusted Hosts on the Local API Server bound to 0.0.0.0. v0.8.6 followed as a hotfix for Linux AppImage crashes on model load, CUDA engine restoration on NVIDIA Turing GPUs, MTP speed with Qwen3.8, and MCP tool images. Beyond the client there is a Jan CLI, a local API server that speaks the OpenAI spec, and a separately distributed Jan Agent for autonomous work against a local model. It is not a zero-setup ChatGPT replacement — expect to supply hardware and patience. Memory is still labeled Coming Soon on the vendor page.

Behind the Verdict

The honest framing: Jan is the app you pick when sending your documents to someone else's data center is the problem you're trying to solve. Confidential contracts, unreleased research, patient data, internal architecture notes — the local-first model means those never leave the machine, and the 6.9M+ download count says plenty of people reached the same conclusion. Where it earns its place: developers get an OpenAI-compatible local API server plus MCP tooling, so existing SDK code points at localhost without a rewrite. Researchers get repeatable offline runs across Llama, Mistral, Qwen and DeepSeek without juggling four separate runtimes. Note the v0.8.5 security change — the Local API Server now enforces Trusted Hosts when bound to 0.0.0.0, so audit that config before exposing it on a shared network. The October hotfix cycle tells you something useful about maturity. v0.8.6 exists because Linux AppImage crashed on model load, Turing GPUs lost their CUDA engine and Qwen3.8 MTP ran slow. Fast fixes are good; needing them in a point release is the tradeoff you accept with fast-moving open source. If you're deploying to a fleet of machines, budget test time on each upgrade. Pass on Jan if you want a turnkey assistant. Setup, model choice, quantization and VRAM planning are on you, and the machine has to be capable. Teams needing centralized user management, SSO and a vendor support contract should look at enterprise offerings instead. And if cross-session memory is central to your workflow, the vendor page still says Coming Soon — don't build a process around it yet. The closest comparison is a hosted assistant subscription. You pay monthly, you get polish and zero setup, and your prompts travel. Jan inverts that: $0, your hardware, your data, and real configuration

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Real-world workflow fit

Concrete scenarios for the personas Jan actually fits — and what changes day-one when you adopt it.

Privacy-conscious consultant

Install Jan Desktop, pull an open Llama or Qwen model from HuggingFace, and draft client documents offline on a laptop while travelling.

Outcome: Confidential material never leaves the machine, and drafts can be branched into alternative versions using v0.8.3 message history.

Developer building on a local endpoint

Start the Jan local API server, point an internal app at the OpenAI-compatible endpoint, and wire MCP tools with inline approval from v0.8.0.

Outcome: The prototype runs against models on your own hardware instead of a metered cloud endpoint.

Researcher comparing open models

Install several HuggingFace models, use per-model context sizing and fit labels, and toggle between them on the same prompt.

Outcome: Side-by-side reasoning comparisons with the token counter from v0.8.4 tracking usage per run.

Use Cases

  • Run offline AI chat on a laptop while travelling so confidential documents never touch a cloud API
  • Compile research reports with agents that use the native web search and fetch tools added in v0.8.4
  • Serve a local OpenAI-compatible endpoint for your own apps and prototypes
  • Swap between Llama, Mistral, Qwen and DeepSeek to compare reasoning without per-token cloud costs
  • Drive AI from your terminal through the Jan CLI and MCP servers
  • Branch a message into alternative answers in v0.8.3 and roll back to the version you preferred

Models Under the Hood

LlamaMistralQwenDeepSeekGemmaKimi

as of 2026-10-17

Limitations

  • Jan runs open models locally on your own hardware, so speed and model size are capped by your RAM and GPU.
  • The Memory feature is still listed as Coming Soon on jan.ai, so context does not yet carry across sessions.
  • Downloading models involves large files (hence v0.8.2's pause/resume support), and v0.8.5 notes the jan CLI is no longer bundled with the app.

as of 2026-10-02

Verification history

We have re-verified Jan 8 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.

  1. — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
  2. — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
  3. — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
  4. — re-checked, vendor evidence unchanged
  5. — re-checked, vendor evidence unchanged
  6. — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it

Showing the 6 most recent of 8 verification passes.

Free to cite with attribution — this page re-verifies continuously.

12-month cost

Project the real annual outlay, including the implied monthly cost when only an annual tier is published.

Annual total
Free
Over 12 months
Effective monthly
—
—

Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.

Hidden costs & gotchas

What the public pricing page doesn't put in bold. Captured from pricing-page footnotes, contract terms, and recurring complaints.

  • Local models are free to run, but the hardware is not — a GPU or 8GB-plus of RAM is a real up-front cost that decides which models you can actually load.
  • Plugging in OpenAI, Anthropic or Google providers from the Jan interface moves usage onto your own paid API account with those vendors.
  • Running the separately distributed Jan Agent means finding and paying for a VM or container to host it, on top of the desktop install.

Where the pricing makes sense

The company stage and team size where Jan's pricing actually pencils out — and where peers do it cheaper.

Jan is a free, open-source download, so the cost comparison is against hosted subscriptions like ChatGPT Plus or Claude Pro and against your electricity and hardware. Compared with Ollama and LM Studio, the software price is the same — nothing — and the difference is Jan's MCP tooling, CLI and separately distributed Jan Agent.

Setup time & first value

How long it actually takes to get something useful out of Jan — broken out by persona, not the marketing-page minute.

Desktop app plus one small model: roughly 15-30 minutes on a machine with the download bandwidth. Desktop plus a large local model and a working local API server: an afternoon, since you are choosing quantizations and backends. Adding the separately distributed Jan Agent: plan a second session to stand up its host.

Switching to or from Jan

How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.

Migrating in
  • →From ChatGPT or Claude web: export your key threads, install Jan Desktop, and pull an open model to recreate the chat workflow locally.
  • →From Ollama: keep your existing model library and point Jan at the same local models, gaining the chat UI and MCP tooling.
  • →From LM Studio: install Jan Desktop and reuse the same HuggingFace models, adding the Jan CLI and OpenAI-compatible API server.
Migrating out
  • ↗To Ollama: keep the open models you downloaded and drive them from the Ollama CLI if you only need a local runtime.
  • ↗To a hosted assistant: export your threads and move to a cloud provider if you no longer want to manage hardware.

Integrations

HuggingFaceOpenAIAnthropicGoogle

Resources & Guides

Tutorials & Learning

YouTube returned 6 videos for “Jan”, and we withheld 5: 5 could not be judged, because “Jan” is a single word that other videos use for other things. Showing the 1 we can prove is about Jan.

Tools that pair well with Jan

Common stack mates teams adopt alongside Jan, with the specific reason each pairing earns its keep.

Featured Head-to-Head Comparisons

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Frequently Asked Questions

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