Antimatter
LiquidAI

LFM3-1.7B (free)

liquid/lfm-3-1.7b:free

A compact 1.7B-parameter text model with a 256K-token context, post-trained for agents, tool calling, and structured outputs.

Free in · Free out per 1M tokens262k contextNov 6, 2026

Free

Chat with LFM3-1.7B (free)
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Also:LFM3-1.7B

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
$0
Output, per 1M tokens
$0
Margin
none

Context and formats

Context window
262,144 tokens
Longest answer
8,192 tokens
Reads
text
Makes
text
First listed
2026-11-06

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
declaredthe provider's claim, not yet measured here
JSON output
declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=liquid/lfm-3-1.7b:free.

About

A compact 1.7B-parameter text model with a 256K-token context, post-trained for agents, tool calling, and structured outputs. It reasons before it answers. Prompts and outputs may be retained and used...

In LiquidAI's words.

Try it here

The answer appears here.

Measured here

Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "liquid/lfm-3-1.7b:free", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

LFM3-1.7B (free) price on Antimatter
<a href="https://useantimatter.com/planet/liquid/lfm-3-1.7b%3Afree"><img src="https://useantimatter.com/api/badge/price?id=liquid%2Flfm-3-1.7b%3Afree" alt="LFM3-1.7B (free) price on Antimatter" height="28"></a>

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