Liquid AI

LiquidAI: LFM2.5-2.6B (free)

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...

ReasoningTool callingStreamingJSON mode
65.5K token context Released Aug 11, 2026

Intelligence overview

65.5K tok

Context window

8.2K tok

Max output

Capabilities

What LiquidAI: LFM2.5-2.6B (free) can do.

Reasoning

Extended reasoning

Works through problems step by step before answering, trading latency for accuracy on harder tasks.

Development

Tool calling

Calls external functions mid-response, then continues reasoning from the result.

Structured output

Returns responses constrained to a JSON schema, ready to parse without cleanup.

Streaming

Streams tokens as they're generated instead of waiting on the full response.

Pricing

Pay for what you use.

Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.

INPUT

Free

OUTPUT

Free

Use cases

Built for serious work.

Build

Generate and refactor code, with the ability to run and verify tool calls and return structured, parseable output.

Think

Works through multi-step problems with extended reasoning before it answers.

Automate

Chains tool calls across multi-step workflows, reasoning between each one.

Preview

Ask LiquidAI: LFM2.5-2.6B (free) anything.

A preview of the real UltraGPT composer — the model you see here is the model you get.

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

Continues in the UltraGPT app — one login, every model.

Comparison

How LiquidAI: LFM2.5-2.6B (free) stacks up.

The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.

Specification

Technical details.

Specification

Context window
65.5K tokens
Max output
8.2K tokens
Input modalities
Text
Output modalities
Text
Release date
Aug 11, 2026
Streaming
Supported
Tool calling
Supported
JSON mode
Supported

Model identity

Provider
Liquid AI
Provider ID
liquid

Model ID

Directory

More from Liquid AI, and everything else.

This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.

LiquidAI: LFM2.5-2.6B (free), one subscription away.

UltraGPT puts this model — and every other one in the directory — behind a single login and one flat monthly price.