LFM 2.5 1.2B Thinking is Liquid AI's language model with a 33K context window and up to 8K output tokens, starting at $0.02 / 1M input and $0.05 / 1M output. A lightweight 1.2B-parameter reasoning-focused Liquid Foundation Model optimized for agentic tasks, data extraction, and RAG on edge devices.
Specifications
Canonical IDliquid-lfm-2-5-1-2b-thinking
TypeLanguage
StatusActive
CreatorLiquid AILiquid AI
Providers
Context Window33K tokens
Max Output8K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Parameters1.2B
Release Date · 10 months ago
Benchmarks
Intelligence Index
#543
GPQA
#474
HLE
#342
IFBench
#246
Time to First Token
#209
SciCode
#530
LCR
#482
TerminalBench Hard
#397
TAU2
#342
Output TPS
#444

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Zerogpu
zerogpu/LFM2.5-1.2B-Thinking
$0.02$0.05

Cost Calculator

US Dollar ($)
Preset:

Cheapest Instances to Run It

Cloud GPU instances that can host LFM 2.5 1.2B Thinking, ranked by cheapest on-demand price. The model needs about 3 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)
Instance
Cloud
GPU
VRAM
Price
Cheapest region
Standard_NV4as_v4AzureAMD Radeon Instinct MI2516 GB$0.233/hr
Standard_NV4ads_V710_v5AzureAMD Radeon Pro V710 (24GB)4 GB$0.333/hr
g5g.xlargeAWST4g16 GB$0.420/hr
7 more instances can run LFM 2.5 1.2B Thinking
Unlock the full ranked list and FP8 / INT4 quantization with a CloudPrice subscription.

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
LFM 2.5 24B A2B128K$0.050$0.700Available
LFM 2 24B A2B128K——Available
LFM 2.5 1.2B Thinking33K$0.020$0.050Current
LFM 2.5 1.2B Instruct33K$0.020$0.050Available
LFM 2.5 8B A1B————Available
LFM 2 2.6B————Available
LFM 2 8B A1B————Available
LFM 2 1.2B————Available
LFM 2.5 1.6B VL————Available
LFM 2.5 2.6B Free—66K——Available
D1 Ultra33K$0.042—Available

Model IDs

lfm2-5-1-2b-thinking
liquid-lfm-2-5-1-2b-thinking
liquid/lfm-2.5-1.2b-thinking:free
zerogpu/LFM2.5-1.2B-Thinking