Specification

Release date: 28 Jul 2026
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Openness: open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
License: other
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Architecture: Lfm2ForCausalLM
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Parameters: 2.7B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Context window: 128K tokens
Source:Artificial AnalysisT2observed 1 h agomedium
Languages: ar, zh, en, fr, de, hi, id, it, ja, ko, pl, pt, ru, es, th, vi
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Base model: LiquidAI/LFM2.5-2.6B-Base
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
File size: 5.4 GB
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Hugging Face repo: LiquidAI/LFM2.5-2.6B
Source:OpenRouter public model & pricing listingT2observed 3 h agomedium
Pipeline tag: text-generation
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Model card: huggingface.co/LiquidAI/LFM2.5-2.6B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Downloads: 108,352
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 52 min agomedium
Likes: 754
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 52 min agomedium
Gated: No
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Last modified: 2026-08-24T21:06:45+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 3 h agomedium
Library name: transformers
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
License name: lfm1.0
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 1 h agomedium
License url: LICENSE
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Aa median output tokens per second: 199
Source:Artificial AnalysisT2observed 1 h agomedium
Downloads all time: 230,380
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Model type: lfm2
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Openrouter id: liquid/lfm-2.5-2.6b
Source:OpenRouter public model & pricing listingT2observed 3 h agomedium
Tags: transformers, safetensors, lfm2, text-generation, liquid, lfm2.5, edge, ar, zh, en, fr, de, hi, id, it, ja, ko, pl, pt, ru, es, th, vi
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium
Weights dtype: BF16
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

26

Source tiers

T226

Freshest observation

52 min ago

Conflicts

None

Modalities

Modalities unavailable.

Capabilities

Tool calling
Unavailable
Structured output
Unavailable
Reasoning
Yes
Artificial Analysis · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable

Context window: 128K tokens
Source:Artificial AnalysisT2observed 1 h agomedium
Languages: ar, zh, en, fr, de, hi, id, it, ja, ko, pl, pt, ru, es, th, vi
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 2 h agomedium

Benchmark results
Benchmark	Score	Metric	Config	Evaluated	Source
Artificial Analysis Intelligence Index	8.39	index	aa_slug=lfm2-5-2-6b · version=4.3 · estimated=true	—	artificialanalysis.aiT2
GPQA	55.76%	accuracy	aa_slug=lfm2-5-2-6b · variant=GPQA Diamond · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
Humanity's Last Exam	6.21%	accuracy	aa_slug=lfm2-5-2-6b · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
SciCode	14.35%	accuracy	aa_slug=lfm2-5-2-6b · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2
Terminal-Bench	4.49%	accuracy	aa_slug=lfm2-5-2-6b · variant=v2.1 · evaluator=Artificial Analysis · index_version=4.3	—	artificialanalysis.aiT2

Scores are reported as published, with their evaluation configuration (harness, prompting, judge). Results with different configs are not directly comparable — see methodology.

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenRouterliquid/lfm-2.5-2.6b:free	$0	$0	—	—	65.5K	1 h ago	openrouter.aiT2

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Available through 1

OpenRouter

Price history

Input price · USD / 1M tokens

Output price · USD / 1M tokens

OpenRouter

Estimated

Memory need = bytes per parameter (4-bit ≈ 0.5 × 1.15 overhead, 8-bit 1.0, fp16 2.0) + a KV-cache allowance. Not a measurement.

Estimated hardware fit
Hardware	Quantization	Memory	Est. need	Fits
NVIDIA DGX B200	4bit	1,440 GB	2.0 GB	Yes
Apple M3 Ultra	4bit	—	2.0 GB	Yes
Mac Studio (Apple M5 Ultra)	4bit	—	2.0 GB	Yes
AMD Instinct MI325X	4bit	256 GB	2.0 GB	Yes
AMD Instinct MI300X	4bit	192 GB	2.0 GB	Yes
Apple M2 Ultra	4bit	—	2.0 GB	Yes
NVIDIA B200	4bit	180 GB	2.0 GB	Yes
NVIDIA H200	4bit	141 GB	2.0 GB	Yes
NVIDIA H200 NVL	4bit	141 GB	2.0 GB	Yes
Apple M1 Ultra	4bit	—	2.0 GB	Yes
Apple M3 Max	4bit	—	2.0 GB	Yes
Apple M4 Max	4bit	—	2.0 GB	Yes
Mac Studio (Apple M5 Max)	4bit	—	2.0 GB	Yes
MacBook Pro (Apple M5 Max)	4bit	—	2.0 GB	Yes
NVIDIA DGX Spark	4bit	128 GB	2.0 GB	Yes
Apple M2 Max	4bit	—	2.0 GB	Yes
NVIDIA H100 NVL	4bit	94 GB	2.0 GB	Yes
NVIDIA A100 80GB	4bit	80 GB	2.0 GB	Yes
NVIDIA H100 SXM	4bit	80 GB	2.0 GB	Yes
Apple M1 Max	4bit	—	2.0 GB	Yes
Apple M4 Pro	4bit	—	2.0 GB	Yes
Mac mini (Apple M5 Pro)	4bit	—	2.0 GB	Yes
MacBook Pro (Apple M5 Pro)	4bit	—	2.0 GB	Yes
Apple M3 Pro	4bit	—	2.0 GB	Yes
Apple M1 Pro	4bit	—	2.0 GB	Yes
Apple M2 Pro	4bit	—	2.0 GB	Yes
Apple M4	4bit	—	2.0 GB	Yes
iMac (Apple M4)	4bit	—	2.0 GB	Yes
Mac mini (Apple M6)	4bit	—	2.0 GB	Yes
MacBook Air (Apple M5)	4bit	—	2.0 GB	Yes
MacBook Pro (Apple M5)	4bit	—	2.0 GB	Yes
NVIDIA GeForce RTX 5090	4bit	32 GB	2.0 GB	Yes
Apple M2	4bit	—	2.0 GB	Yes
Apple M3	4bit	—	2.0 GB	Yes
NVIDIA GeForce RTX 3090	4bit	24 GB	2.0 GB	Yes
NVIDIA GeForce RTX 4090	4bit	24 GB	2.0 GB	Yes
Apple M1	4bit	—	2.0 GB	Yes

Ancestors 1

LFM2.5-2.6B-BaseLiquid AI

This model

LFM2.5-2.6B (free)

2.7B params

Quantizations 1

LiquidAI/LFM2.5-2.6B-GGUF2.7B

Descendants 0

None recorded.

Papers 1

arXiv:2511.23404Active
35

Repositories 0

No repositories linked yet.

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history

23 claims · 22 properties

Release daterelease_date1

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
28 Jul 2026	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Opennessopenness1

Claim history for Openness
Value	Valid from → to	Status	Source	Confidence	Extractor
open-weights	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Licenselicense1

Claim history for License
Value	Valid from → to	Status	Source	Confidence	Extractor
other	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Architecturearchitecture1

Claim history for Architecture
Value	Valid from → to	Status	Source	Confidence	Extractor
Lfm2ForCausalLM	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Parametersparameter_count1

Claim history for Parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
2.7B	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Languageslanguages1

Claim history for Languages
Value	Valid from → to	Status	Source	Confidence	Extractor
ar, zh, en, fr, de, hi, id, it, ja, ko, pl, pt, ru, es, th, vi	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Base modelbase_model1

Claim history for Base model
Value	Valid from → to	Status	Source	Confidence	Extractor
LiquidAI/LFM2.5-2.6B-Base	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

File sizefile_size_gb1

Claim history for File size
Value	Valid from → to	Status	Source	Confidence	Extractor
5.4 GB	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Hugging Face repohf_repo1

Claim history for Hugging Face repo
Value	Valid from → to	Status	Source	Confidence	Extractor
LiquidAI/LFM2.5-2.6B	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Pipeline tagpipeline_tag1

Claim history for Pipeline tag
Value	Valid from → to	Status	Source	Confidence	Extractor
text-generation	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Model cardmodel_card_url1

Claim history for Model card
Value	Valid from → to	Status	Source	Confidence	Extractor
https://huggingface.co/LiquidAI/LFM2.5-2.6B	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Downloadsmetric.downloads1

Claim history for Downloads
Value	Valid from → to	Status	Source	Confidence	Extractor
108,352	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Likesmetric.likes2

Claim history for Likes
Value	Valid from → to	Status	Source	Confidence	Extractor
754	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic
753	11 Sept 2026 21:11 UTC → 11 Sept 2026 21:40 UTC	superseded	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Gatedgated1

Claim history for Gated
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Last modifiedlast_modified1

Claim history for Last modified
Value	Valid from → to	Status	Source	Confidence	Extractor
2026-08-24T21:06:45+00:00	11 Sept 2026 21:11 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Library namelibrary_name1

Claim history for Library name
Value	Valid from → to	Status	Source	Confidence	Extractor
transformers	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

License urllicense_url1

Claim history for License url
Value	Valid from → to	Status	Source	Confidence	Extractor
LICENSE	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Downloads all timemetric.downloads_all_time1

Claim history for Downloads all time
Value	Valid from → to	Status	Source	Confidence	Extractor
230,380	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Model typemodel_type1

Claim history for Model type
Value	Valid from → to	Status	Source	Confidence	Extractor
lfm2	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
liquid/lfm-2.5-2.6b	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tagstags1

Claim history for Tags
Value	Valid from → to	Status	Source	Confidence	Extractor
transformers, safetensors, lfm2, text-generation, liquid, lfm2.5, edge, ar, zh, en, fr, de, hi, id, it, ja, ko, pl, pt, ru, es, th, vi	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Weights dtypeweights_dtype1

Claim history for Weights dtype
Value	Valid from → to	Status	Source	Confidence	Extractor
BF16	11 Sept 2026 21:40 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

11 Sept 2026
Benchmark resultModelLFM2.5-2.6B (free)Liquid AI
LFM2.5-2.6B (free) scores 4.49% on Terminal-Bench
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelLFM2.5-2.6B (free)Liquid AI
LFM2.5-2.6B (free) scores 14.35% on SciCode
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelLFM2.5-2.6B (free)Liquid AI
LFM2.5-2.6B (free) scores 6.21% on Humanity's Last Exam
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelLFM2.5-2.6B (free)Liquid AI
LFM2.5-2.6B (free) scores 55.76% on GPQA
artificial_analysis
artificialanalysis.ai
11 Sept 2026
Benchmark resultModelLFM2.5-2.6B (free)Liquid AI
LFM2.5-2.6B (free) scores 8.39 on Artificial Analysis Intelligence Index
artificial_analysis
artificialanalysis.ai
11 Sept 2026
New modelModelLFM2.5-2.6B (free)Liquid AI
New model: LFM2.5-2.6B (free) (Liquid AI)
openrouter
openrouter.ai
11 Sept 2026
Listed by providerModelLFM2.5-2.6B (free)Liquid AI
OpenRouter lists LFM2.5-2.6B (free) at $0 in / $0 out per 1M tokens
openrouter
openrouter.ai

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/models?author=LiquidAI&p=0&sort=downloads	listing	T2· Quality secondary	52 min ago	2
Artificial Analysis	artificialanalysis.ai/leaderboards/models	leaderboard	T2· Quality secondary	1 h ago	1
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	1 h ago	2
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/LiquidAI/LFM2.5-2.6B/raw/main/README.md	model_card	T2· Quality secondary	1 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/LiquidAI/LFM2.5-2.6B	model_page	T2· Quality secondary	2 h ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/LiquidAI/LFM2.5-2.6B-GGUF	model_page	T2· Quality secondary	2 h ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.