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LFM3-1.7B vs GLM 5.3 FlashX Legal: API price, context & features · api14

LiquidAI: LFM3-1.7B vs Z.ai: GLM 5.3 FlashX Legal

A side-by-side comparison of LiquidAI: LFM3-1.7B ($0.28 / 1M tokens) and Z.ai: GLM 5.3 FlashX Legal ($1.30 / 1M tokens) using current USD prices and capabilities from the api14 catalog. Both run through the same OpenAI-compatible API.

Specifications

	LiquidAI: LFM3-1.7B	Z.ai: GLM 5.3 FlashX Legal
Provider	LiquidAI	Z.ai
Input	$0.28 / 1M tokens	$1.30 / 1M tokens
Output	$0.70 / 1M tokens	$4.38 / 1M tokens
Cache read	$0.07 / 1M tokens	$0.26 / 1M tokens
Context window	262,144	1,048,576
Max output	8,192	131,072
Input	text	text, image, video
Output	text	text
Tool calling
Structured output
Reasoning control
Added	Nov 6, 2026	Nov 2, 2026

Key differences

LiquidAI: LFM3-1.7B is 78% cheaper on input tokens.
LiquidAI: LFM3-1.7B is 84% cheaper on output tokens.
Z.ai: GLM 5.3 FlashX Legal reads 4.0× more context (1,048,576 tokens).
A request with 1,000 input and 500 output tokens costs $0.000630 with LiquidAI: LFM3-1.7B and $0.00348 with Z.ai: GLM 5.3 FlashX Legal.

Switch with one string

Both models use the same endpoint and request shape. Change the model value from "liquid/lfm-3-1.7b" to "z-ai/glm-5.3-flashx-legal" and prompts, streaming and tools keep working.

LiquidAI: LFM3-1.7B details & playground →Z.ai: GLM 5.3 FlashX Legal details & playground →

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api14.com/api/v1",
  apiKey: process.env.API14_API_KEY,
});

const result = await client.chat.completions.create({
  "model": "z-ai/glm-5.3-flashx-legal",
  "messages": [
    {
      "role": "user",
      "content": "Explain vector databases in two sentences."
    }
  ]
});
console.log(result.choices[0].message.content);

LiquidAI: LFM3-1.7B vs Z.ai: GLM 5.3 FlashX Legal

Specifications

Key differences

Switch with one string

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