---
title: "whichllm vs Atomic-Chat"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/andyyyy64-whichllm-vs-atomicbot-ai-atomic-chat"
tools: ["andyyyy64-whichllm", "atomicbot-ai-atomic-chat"]
---

# whichllm vs Atomic-Chat

*GraphCanon updated Sep 20, 2026*

## Verdict

Pick whichllm if whichllm is designed to help users identify and benchmark local large language models that perform well on their specific hardware configuration via real-time benchmarks; pick Atomic-Chat if atomic-Chat is a local AI app and inference engine for agents that runs open-weight LLMs privately offline.

[whichllm](https://github.com/Andyyyy64/whichllm) reports 6.7k GitHub stars, 368 forks, and 13 open issues, last pushed Sep 19, 2026. [Atomic-Chat](https://atomic.chat) has 1.5k stars, 178 forks, and 55 open issues, last pushed Sep 19, 2026. Figures are from public GitHub metadata via [whichllm's repository](https://github.com/Andyyyy64/whichllm) and [Atomic-Chat's repository](https://github.com/AtomicBot-ai/Atomic-Chat).

| | [whichllm](/tools/andyyyy64-whichllm.md) | [Atomic-Chat](/tools/atomicbot-ai-atomic-chat.md) |
| --- | --- | --- |
| Tagline | Command-line tool to find and benchmark local LLM performance | Local AI app and inference engine for agents |
| Stars | 6,666 | 1,526 |
| Forks | 368 | 178 |
| Open issues | 13 | 55 |
| Language | Python | TypeScript |
| Adopt for | whichllm is designed to help users identify and benchmark local large language models that perform well on their specific hardware configuration via real-time benchmarks. | Atomic-Chat is a local AI app and inference engine for agents that runs open-weight LLMs privately offline. |
| Persona | - | - |
| Runtime | - | - |
| License | MIT | Other |
| Categories | Evaluation & Observability, Inference & Serving | Developer Tools, Inference & Serving |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [whichllm](/tools/andyyyy64-whichllm.md) | [Atomic-Chat](/tools/atomicbot-ai-atomic-chat.md) |
| --- | --- | --- |
| Open issues (now) | 13 | 55 |
| Stars delta | +441 (30d) | +368 (30d) |
| Open issues delta | -9 (30d) | +11 (30d) |
| Owner type | User | Organization |
| Full report | [trust report](/tools/andyyyy64-whichllm/trust.md) | [trust report](/tools/atomicbot-ai-atomic-chat/trust.md) |

## Decision facts: whichllm

- **Adopt for:** whichllm is designed to help users identify and benchmark local large language models that perform well on their specific hardware configuration via real-time benchmarks.

## Decision facts: Atomic-Chat

- **Hosting:** self hosted
- **Requirements:** Atomic-Chat requires TypeScript for development.; Ensure you have the necessary hardware and setup to run open-weight LLM models locally.
- **Adopt for:** Atomic-Chat is a local AI app and inference engine for agents that runs open-weight LLMs privately offline.

## Choose when

### Choose whichllm if…

- whichllm is primarily Python; Atomic-Chat is TypeScript.
- License: whichllm is MIT, Atomic-Chat is Other.
- Tags unique to whichllm: ai, apple-silicon, benchmarks, cli.
- Also covers Evaluation & Observability.
- When you need to quickly discover which locally available LLM runs most efficiently on your Apple Silicon or GPU infrastructure using Python scripts

### Choose Atomic-Chat if…

- Atomic-Chat is primarily TypeScript; whichllm is Python.
- License: Atomic-Chat is Other, whichllm is MIT.
- Requirements: Atomic-Chat requires TypeScript for development.; Ensure you have the necessary hardware and setup to run open-weight LLM models locally..
- Tags unique to Atomic-Chat: ai-agent, local-first, open-source.
- Also covers Developer Tools.
- When you need to run large language models (LLMs) locally with full privacy and no internet connectivity required.

## When NOT to use whichllm

- In scenarios where extensive customization of benchmarking criteria beyond what this tool offers is required
- When you are working in a non-Python environment and prefer not to introduce Python scripts into your workflow

## When NOT to use Atomic-Chat

- Avoid Atomic-Chat when you need cloud-based AI services that offer automatic updates and maintenance, as it focuses on local offline deployment.
- Do not choose this tool if your project does not require deep-seek capabilities or self-hosted solutions but prefers more mainstream LLMs like Qwen.

## Common questions

### What is the difference between whichllm and Atomic-Chat?

whichllm: Command-line tool to find and benchmark local LLM performance. Atomic-Chat: Local AI app and inference engine for agents. See the comparison table for live GitHub stats and shared categories.

### When should I choose whichllm over Atomic-Chat?

Choose whichllm over Atomic-Chat when whichllm is primarily Python; Atomic-Chat is TypeScript; License: whichllm is MIT, Atomic-Chat is Other; Tags unique to whichllm: ai, apple-silicon, benchmarks, cli; Also covers Evaluation & Observability; When you need to quickly discover which locally available LLM runs most efficiently on your Apple Silicon or GPU infrastructure using Python scripts.

### When should I choose Atomic-Chat over whichllm?

Choose Atomic-Chat over whichllm when Atomic-Chat is primarily TypeScript; whichllm is Python; License: Atomic-Chat is Other, whichllm is MIT; Requirements: Atomic-Chat requires TypeScript for development.; Ensure you have the necessary hardware and setup to run open-weight LLM models locally.; Tags unique to Atomic-Chat: ai-agent, local-first, open-source; Also covers Developer Tools; When you need to run large language models (LLMs) locally with full privacy and no internet connectivity required.

### When should I avoid whichllm?

In scenarios where extensive customization of benchmarking criteria beyond what this tool offers is required When you are working in a non-Python environment and prefer not to introduce Python scripts into your workflow

### When should I avoid Atomic-Chat?

Avoid Atomic-Chat when you need cloud-based AI services that offer automatic updates and maintenance, as it focuses on local offline deployment. Do not choose this tool if your project does not require deep-seek capabilities or self-hosted solutions but prefers more mainstream LLMs like Qwen.

### Is whichllm or Atomic-Chat more popular on GitHub?

whichllm has more GitHub stars (6,666 vs 1,526). Stars measure visibility, not whether either tool fits your constraints.

### Are whichllm and Atomic-Chat open source?

Yes - both are open-source projects on GitHub (whichllm: MIT, Atomic-Chat: Other).

### Where can I find alternatives to whichllm or Atomic-Chat?

GraphCanon lists graph-backed alternatives at [whichllm alternatives](/tools/andyyyy64-whichllm/alternatives) and [Atomic-Chat alternatives](/tools/atomicbot-ai-atomic-chat/alternatives) ([whichllm markdown twin](/tools/andyyyy64-whichllm/alternatives.md), [Atomic-Chat markdown twin](/tools/atomicbot-ai-atomic-chat/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/andyyyy64-whichllm-vs-atomicbot-ai-atomic-chat.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, whichllm or Atomic-Chat?

whichllm: Very active. Atomic-Chat: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for whichllm and Atomic-Chat?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [whichllm trust report](/tools/andyyyy64-whichllm/trust); [Atomic-Chat trust report](/tools/atomicbot-ai-atomic-chat/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=andyyyy64-whichllm`](/api/graphcanon/graph?tool=andyyyy64-whichllm)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
