that.promo

OpenRouterOpenRouter LFM3-1.7B freeModel APIs

Free API access to liquid/lfm-3-1.7b:free ($0 prompt and completion tokens) with a 262,144 token context window

OpenRouter lists Liquid AI's LFM3-1.7B as a free route (liquid/lfm-3-1.7b:free) with a 262K-token context for agents, tool calling and structured outputs. Official FAQ says prompt and completion tokens are not charged.

LiveVerified Nov 13, 2026 against the official page

Who qualifies
Anyone with an OpenRouter API key
How to claim
Create an OpenRouter API key at openrouter.ai, then call model liquid/lfm-3-1.7b:free via the OpenAI-compatible chat completions API.
Expiry
ongoing

Heads up. OpenRouter free model rate limits apply (20 rpm / 50 rpd, or 1,000 rpd after $10 credits). Prompts and outputs may be retained and used to train Liquid models. Not available through EU in-region routing. Free preview models can be removed without notice.

Timeline 4

  1. Verified

    Re-checked against the official page 6 times, Nov 8, 2026 to Nov 13, 2026 Source

  2. Changed

    Category set to Model APIs, same as the other live OpenRouter free model routes. Source

  3. Verified

    Re-checked against the official page Source

  4. Launched

    Added to that.promo Source

Posts 1

vatan@vatanmalik_45

Liquid's LFM3-1.7B is out: 1.7B params, 262K context, built for agents, free tier.

Labs raised $11B to go bigger. The useful work keeps sliding to models at $0.08 a million tokens.

What's the smallest model doing real work in your stack? @LiquidAI #BuildInPublic #AI

Official sources

Added Nov 7, 2026 · Last changed Nov 7, 2026