LiquidAI: LFM2.5-2.6B (free) Free API on OpenRouter

Free API Verified

Available from OpenRouter

★★★★★★★★★★ 3.5 Benchmark-backed score

Free provider route for experiments, demos, and cost-sensitive chat workloads

Free APIOpenAI compatibleReasoningTool callingJSON modeTextReasoning

Try in Playground Compare Save API Key

API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://openrouter.ai/api/v1

Model ID

liquid/lfm-2.5-2.6b:free

API format OpenAI Chat Completions + OpenAI Responses

Technical Details

LiquidAI: LFM2.5-2.6B (free) specifications

Provider catalog

Context window 66K

Max output 8K

Status Online

Released Aug 4, 2026

Last updated Oct 16, 2026

Free listing since Aug 11, 2026

Input text, reasoning

Output text

Capabilities reasoning, tool calling, structured output

AI Recommendation

Should you use LiquidAI: LFM2.5-2.6B (free)?

LiquidAI: LFM2.5-2.6B (free) is listed for chat workloads and supports a 66K context window.

Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Reasoning mode listed
Tool calling support
Structured JSON output
Works with OpenAI-style SDKs

Watch outs

Free-tier rate limits apply
Vision support is not listed

Benchmark Overview

Benchmark signals for LiquidAI: LFM2.5-2.6B (free)

Measured data

Intelligence General reasoning and instruction following

8.4/100

Coding Programming and code generation

7.7/100

Speed Observed generation speed

196 tok/s

Context Maximum listed context window

66K

Pricing

LiquidAI: LFM2.5-2.6B (free) pricing per 1M tokens

Free tier listed

Input $0 per 1M tokens

Output $0 per 1M tokens

Access Available OpenRouter

Rate limit 200 req/day (free tier) provider policy

Availability

LiquidAI: LFM2.5-2.6B (free) availability by provider

Current provider only

We only found this LiquidAI: LFM2.5-2.6B (free) listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
OpenRouter	LiquidAI: LFM2.5-2.6B (free)	Free tier	66K	OpenAI-style	200 req/day (free tier)

View OpenRouter setup guide →

Compare

LiquidAI: LFM2.5-2.6B (free) alternatives to consider

Open comparison

Model	Provider	Context	Access
NVIDIA: Nemotron 3.5 Super VL (free)	OpenRouter	1.0M	Free tier
Dots Studio: Dots3-Note Preview (free)	OpenRouter	512K	Free tier
NVIDIA: Nemotron 3.5 Lightning (free)	OpenRouter	1.0M	Free tier
Thinking Machines: Inkling Small (free)	OpenRouter	1.0M	Free tier
Poolside: Laguna S 2.1 (free)	OpenRouter	262K	Free tier

Typical Use Cases

LiquidAI: LFM2.5-2.6B (free) use cases

Chat

LiquidAI: LFM2.5-2.6B (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

LiquidAI: LFM2.5-2.6B (free) free API FAQ

Is LiquidAI: LFM2.5-2.6B (free) free to use?

LiquidAI: LFM2.5-2.6B (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.

What is the LiquidAI: LFM2.5-2.6B (free) model ID?

The model ID shown in this catalog is liquid/lfm-2.5-2.6b:free.

What are the LiquidAI: LFM2.5-2.6B (free) free tier rate limits on OpenRouter?

The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.

What context window does LiquidAI: LFM2.5-2.6B (free) support?

The listed context window is 66K tokens with up to 8K output tokens.

More about LiquidAI: LFM2.5-2.6B (free)