QuanLLM Field Branch · Major Release

QuanLLM-v1.0-qm A Quantum Mechanics Expert That Thinks and Computes

QuanLLM-v1.0-qm is a major upgrade of the QuanLLM field branch for quantum mechanics teaching and application. Now built on Qwen3-8B, it adds a visible thinking mode, streaming output, and SymPy symbolic computation: the model plans the derivation, SymPy guarantees the math. Ships with a no-install CLI client for Windows, macOS, and Linux.

How to apply: send an email to activity@quanllm.com following the fixed template below.

8B
Parameters
Qwen3
Base Model
CLI
3-Platform Client
50
First-Batch Keys
FIELD BRANCH · MAJOR RELEASE

Quantum Mechanics · An Expert That Thinks and Computes

v0.2-qm made the model available anywhere; v1.0-qm makes it accurate and transparent. The model understands the problem and plans the derivation, while SymPy handles symbolic computation exactly. The full thinking chain is visible, and the self-adapting three-platform client works out of the box with no development environment required.

Mainline: QuanLLM Version: v1.0 (0815) Direction: Quantum Mechanics Teaching & Application Status: Released · Limited Beta

From Assistant to an Expert That Shows Its Work

v0.2-qm moved the model to the cloud. v1.0-qm fixes the two remaining weaknesses of a language model in physics teaching: the accuracy of symbolic math and the transparency of reasoning. Computation is done by the SymPy engine, exact down to the expression itself; thinking mode lets the model reason first and answer second, so students see how a problem is approached and teachers can check where it goes right or wrong.

🎯

Exam-Oriented

Targets high-frequency final exam topics: concept explanation, formula derivation, calculation problems, and proof questions.

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General Q&A

Not limited to exam questions; also explains concepts, compares representations, and discusses physical pictures and common misconceptions.

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Thinking Mode · Streaming

Reason first, answer second, with the full chain of thought visible. Both thinking and answers stream token by token—no more waiting on a blank screen.

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Exact SymPy Computation

Differentiation, integration, and equation solving are delegated to the symbolic engine, exact to the expression, with multi-round tool calls in a single conversation.

What v1.0-qm Can Do

Concept Explanation

Explains core concepts such as wave functions, the uncertainty principle, representation transformations, identical particles, spin, and entanglement in clear language.

What is a Hermitian operator?
A Hermitian operator satisfies A† = A, has real eigenvalues, and corresponds to physical observables...

Formula Derivation

Step-by-step derivations of the Schrödinger equation, ladder operators, angular momentum commutation relations, perturbation theory, and more.

Exercise Solving

Problem-solving strategies and step-by-step solutions for harmonic oscillators, hydrogen atoms, perturbation theory, and scattering—with SymPy guaranteeing every computation.

General Quantum Q&A

Answers open-ended quantum mechanics questions, including physical pictures, comparisons of theoretical frameworks, and connections to frontiers.

Three-Platform CLI Client

No-install client for Windows, macOS, and Linux, with multi-turn conversation and session history save & restore. Ready out of the box.

Three-Platform CLI, Ready Out of the Box

Every v1.0-qm API Key ships with a self-adapting command-line client. No key is embedded in the program—an APIKEY template file is generated on first run. Streaming, visible thinking, and SymPy tool calls are all preserved. Only 50 API Keys are available in the first batch.

To download the release for your platform (Windows / macOS / Linux), just click the GitHub button in the top-right corner.

🔒 Limited to 50 First-Batch API Keys
v1.0-qm Client Information
💻 platforms Windows / macOS / Linux (no install, unzip and run)
🔑 api_key Read from the APIKEY file next to the program; no key embedded
🏗️ base_model Qwen3-8B
⚡ features Thinking mode · Streaming · SymPy tool calls
📥
Input Cost
0.6 CNY / million tokens
📤
Output Cost
6 CNY / million tokens (thinking + answer)
💻 Quick Start
bash
# 1. Unzip, rename APIKEY.example to APIKEY, and paste your key # 2. Launch the client ./quanllm-cli # macOS / Linux quanllm-cli.exe # double-click on Windows # 3. Session commands :sessions list all saved sessions :load 2 restore a specific session :clear start a fresh session :quit exit

How to Apply for a v1.0-qm API Key

Only 50 spots are available in the first batch. Please send an email using the fixed template below. We will reply with the API Key, the three-platform client packages, and usage instructions after review.

New Email - Apply for QuanLLM-v1.0-qm API Key
Subject Application for QuanLLM-v1.0-qm API Key
Cc
📝 Fixed Email Body Template
Copy-ready
Full Name: [Your real name] Contact Email: [Your frequently used email address] Purpose: [Briefly describe why you need the API Key, e.g., quantum mechanics exam review, teaching assistance, research exploration] Usage Scenario: [Personal learning / Classroom teaching / Research project / Other] Institution/School: [Your school or organization] Role: [Student / Teacher / Researcher / Developer / Other] Expected Call Frequency: [e.g., fewer than 50 calls per day / weekly testing / unsure] Willing to Provide Feedback: [Yes / No]
I promise that the API Key will only be used for the stated purpose, will not be shared with others, will not be used for commercial purposes, and I will comply with QuanLLM's usage policies. Applicant Signature: [Your Name] Application Date: [YYYY-MM-DD]

⚠️ Please make sure all fields above are filled out completely. Missing key information may delay the review process. Please do not send duplicate applications from the same email address or applicant.

Experience QuanLLM-v1.0-qm

The current demo is static. Full conversational functionality requires an API Key, after which you can chat through the three-platform client.

QuanLLM-v1.0-qm Chat
👤
Explain the energy level formula for a 1D infinite potential well.
⚛️

For a 1D infinite potential well of width a, solving the time-independent Schrödinger equation gives:

En = (n²π²ℏ²)/(2ma²), n = 1, 2, 3, ...

Key points:

  • Energy is quantized, not continuous.
  • The ground-state energy is non-zero (zero-point energy).
  • Energy scales inversely with : the narrower the well, the higher the energy.

💡 Tip: Apply for an API Key to start conversing with the model through the three-platform client. Please follow the application template and send an email to activity@quanllm.com. This page is for product demonstration only.

Apply for a First-Batch API Key

v1.0-qm is opening 50 API Keys in its first batch. Approved applicants receive the three-platform client, ready out of the box. Feedback from students, teachers, and researchers is welcome.