LiquidAI: LFM2.5-1.2B-Thinking (free)✓ Catalog verified
LFM2.5-1.2B-Thinking is a lightweight reasoning-focused model optimized for agentic tasks, data extraction, and RAG—while still running comfortably on edge devices. It supports long context (up to 32K tokens) and is designed to provide higher-quality “thinking” responses in a small 1.2B model.
Overview
LFM2.5-1.2B-Thinking is a lightweight reasoning-focused model optimized for agentic tasks, data extraction, and RAG—while still running comfortably on edge devices. It supports long context (up to 32K tokens) and is designed to provide higher-quality “thinking” responses in a small 1.2B model.
Access: available through the official Liquid API. Context window: 33K.
Specifications
| API identifier | liquid/lfm-2.5-1.2b-thinking:free |
| Provider | Liquid |
| Model type | Text LLM |
| Context window | 33K catalog |
| Input modalities | text |
| Output modalities | text |
| Released | Jan 20, 2026 |
| Moderated | No |
| Architecture modality | text->text |
API defaults
{
"top_p": null,
"temperature": null,
"frequency_penalty": null
}Pricing
Live pricing components for liquid/lfm-2.5-1.2b-thinking:free as published in the catalog.
| Pricing component | Raw unit price | Normalized | Unit |
|---|---|---|---|
| Prompt tokens | $0 | $0.00 / 1M | Per input token |
| Completion tokens | $0 | $0.00 / 1M | Per output token |
| Request fee | N/A | N/A | Per request |
| Image fee | N/A | N/A | Per image unit |
| Web search fee | N/A | N/A | Per search request |
Cost calculator
Estimate monthly spend from your own token volumes.
Estimated Total Cost
$0Calculated from current list pricing in the ModelsAtlas catalog.Capabilities
| Capability | Status | What it means |
|---|---|---|
| Visual Understanding | Not advertised | Image and document analysis support |
| Audio Processing | Not advertised | Speech and voice aligned flows |
| Tool Calling | Not advertised | Supports tools / function calling |
| Self-Hosting | Not advertised | Deploy outside managed APIs |
Capability signals
Directional signals derived from model metadata and capability tags — not official benchmark submissions.
Quick start
Call LiquidAI: LFM2.5-1.2B-Thinking (free) through an OpenAI-compatible client.
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_API_KEY"
)
response = client.chat.completions.create(
model="liquid/lfm-2.5-1.2b-thinking:free",
messages=[{"role": "user", "content": "Explain quantum physics."}]
)
print(response.choices[0].message.content)Alternatives
Closest models by context window from a different provider.
| Model | Provider | Context | Input /1M | Actions |
|---|---|---|---|---|
| AionLabs: Aion-RP 1.0 (8B) | Aion Labs | 33K | $0.80 | View → |
| Arcee AI: Coder Large | Arcee Ai | 33K | $0.50 | View → |
Sources & attribution
Pricing and metadata are maintained in the ModelsAtlas catalog.
Frequently asked questions
How much does LiquidAI: LFM2.5-1.2B-Thinking (free) cost?
$0.00 per 1M input tokens and $0.00 per 1M output tokens on the official Liquid API.
What is the context window of LiquidAI: LFM2.5-1.2B-Thinking (free)?
LiquidAI: LFM2.5-1.2B-Thinking (free) supports up to 33K tokens of context.
Does LiquidAI: LFM2.5-1.2B-Thinking (free) support tool / function calling?
LiquidAI: LFM2.5-1.2B-Thinking (free) does not advertise first-class tool/function calling. Check vendor docs for the latest capabilities.
How do I access LiquidAI: LFM2.5-1.2B-Thinking (free)?
Use the official Liquid API with the model id `liquid/lfm-2.5-1.2b-thinking:free`. See the Quick start section above for code examples.