Liquid AI

LFM2.5-2.6B

liquid/lfm-2.5-2.6b
Model weightsReleased Aug 11, 2026Open Weights
ThinkingToolsopen weights

LFM2.5-2.6B is a compact reasoning model from Liquid AI. It is suited for agent workflows, data extraction, RAG, and long-context processing. Liquid advises against using it for agentic coding or...

Cost / 1M tokens

Low usage

$0.35

input

$0.04

cached input

$0.50

output

Context Window

128K

Up to 8K max output

Modalities

text → text

Other tokenizer

Quickstart & API

liquid/lfm-2.5-2.6b
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

Open weightsExtended reasoningTool & agent calling

Recommended Workloads in ChatOSS

  • Coding agents
  • Complex reasoning & debugging
  • Open-source AI workflows
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Verified Evaluations

Benchmarks & Frontier Comparison

How LFM2.5-2.6B compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.

View full Top 40 Leaderboard →
Benchmark (Metric)LFM2.5-2.6BDeepSeek V4.1 FlashGLM 5.3Kimi K3.1 ProClaude Opus 5.5
Agentic & Software Engineering
ChatOSS Agentic Coding Index (%)—63.2%58.3%65%74.1%
SWE-Bench Verified (%)—91.5%95.4%94.8%97%
DeepSWE v1.1 (Pass@1 %)—77%69%73.5%74.2%
Vibe Code Bench v1.1 (%)—87.7%78.1%88.4%90.3%
Terminal-Bench 4.0 (%)—42.3%42%46.2%65.2%
Code Migration (%)—45.6%44.2%52%66.7%
Intelligence & Token Economics
Artificial Analysis Intelligence Index (0–100)8.439.544.855.157.6
Input Price (/ 1M tokens)$0.35$0.15$1.40$2.00$4.00
Output Price (/ 1M tokens)$0.50$0.60$4.40$10.00$20.00

Artificial Analysis Intelligence Index

Artificial Analysis

8.4

Active Provider Endpoints (1)

Upstream inference providers serving LFM2.5-2.6B, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
Liquidcache
liquid/fp8
$0.35$0.50$0.04128K8Kfp8100.0%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

frequency_penaltyinclude_reasoninglogprobsmax_completion_tokensmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

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