LFM 2 2.6B is Liquid AI's language model. A 2.6B-parameter Liquid Foundation Model from the LFM2 family balancing compact size with strong language understanding.
Specifications
Canonical IDliquid-lfm-2-2-6b
TypeLanguage
StatusActive
CreatorLiquid AILiquid AI
Providers
Input ModalitiesText
Output ModalitiesText
Parameters2.6B
Benchmarks
Intelligence Index
2.7
#450
Math Index
8.3
#226
MMLU-Pro
0.3
#312
GPQA
0.3
#418
HLE
0.1
#269
LiveCodeBench
0.1
#304
IFBench
0.2
#397
Time to First Token
1.02s
#339
SciCode
0.0
#445
AIME 2025
0.1
#226
LCR
0.0
#377
TerminalBench Hard
0.0
#336
TAU2
0.1
#346
Output TPS

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
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
$0.01$0.02

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
LFM 2 24B A2B128K$0.030$0.120Available
LFM 2.5 1.2B Instruct33KAvailable
LFM 2.5 1.2B Thinking33KAvailable
LFM 2 2.6BCurrent
LFM 2.5 8B A1BAvailable
LFM 2 8B A1BAvailable
LFM 2 1.2BAvailable
LFM 2.5 1.6B VLAvailable
LFM 40B131K$0.100$0.200Available
LFM 7B131K$0.025$0.040Available

Model IDs

lfm2-2-6b
liquid-lfm-2-2-6b