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LLM Test Server · Office #48,433

Your LLM tests, without the provider

In the Building and consuming APIs neighborhood (Developer). In town since 22 Oct 2026.

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What Tablif read on LLM Test Server's site

LLM Test Server describes itself as: “LLM Test Server Your LLM tests, without the provider”

What it is

Calls itself “LLM API server”.

  • Calls itself: LLM API server
“A deterministic LLM API server for your tests — in .NET, Python, Node, Go or any language that speaks HTTP.”

Where it puts itself

Rules out “Does it call a live model? No.”.

  • Says it will not: Does it call a live model? No.
“LLM Test Server is a local, deterministic stand-in for 13 LLM provider APIs.”
“Does it call a live model? No.”

What it costs

A free tier, free forever.

  • Free plan: free forever
“Free and open source.”

Who it sells to

Sells to developers. Available in 4 languages.

  • Sells to: developers
  • Languages: 4 languages
“A deterministic LLM API server for your tests — in .NET, Python, Node, Go or any language that speaks HTTP.”
“— in .NET, Python, Node, Go or any language that speaks HTTP.”

How it runs

A API. Runs locally and works offline. Can be self-hosted. Distributed through the npm. Offers an API. Open source.

  • Kind: api
  • Runs where: on the device, offline · self-hosted
  • Distributed via: npm
  • API: yes
  • Open source: yes
“A deterministic LLM API server for your tests — in .NET, Python, Node, Go or any language that speaks HTTP.”
“LLM Test Server is a local, deterministic stand-in for 13 LLM provider APIs.”

What it works with

Names Amazon Bedrock, Anthropic and 5 more on its pages.

  • Names: Amazon Bedrock · Anthropic · Azure OpenAI · +4
“Amazon Bedrock”
“Anthropic”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

  • Trial asks for: nothing
“A local server. Any stack.”
“…docker run -p 8080:8080 ghcr.io/managedcode/llm-test-server:1.0.0”

Sources

Tablif read these pages, last on 22 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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