DeepSeek V3.1 vs LiquidAI/LFM2-2.6B (Comparative Analysis)

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Comparative Analysis: DeepSeek V3.1 vs. LiquidAI/LFM2-2.6B

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Overview

DeepSeek V3.1 was released 2 months before LiquidAI/LFM2-2.6B.

	DeepSeek V3.1	LiquidAI/LFM2-2.6B
Model Provider The organization behind this AI's development	DeepSeek	Liquid
Input Context Window Maximum input tokens this model can process at once	163.8K tokens	32.8K tokens
Output Token Limit Maximum output tokens this model can generate at once	163.8K tokens	Not specified tokens
Release Date When this model first became publicly available	August 21, 2025 2 months ago August 21st, 2025	October 20, 2025 26 days ago October 20th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities

	DeepSeek V3.1	LiquidAI/LFM2-2.6B
Input Types Supported input formats	📝Text	📝Text
Output Types Supported output formats	📝Text	📝Text
Tokenizer Text encoding system	DeepSeek	Other
Key Features Advanced capabilities	✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation	Function CallingStructured OutputReasoning ModeContent Moderation
Open Source Model availability	Available on HuggingFace →	Available on HuggingFace →

Pricing

DeepSeek V3.1 is roughly 4.0x more expensive compared to LiquidAI/LFM2-2.6B for input tokens and roughly 8.0x more expensive for output tokens.

	DeepSeek V3.1	LiquidAI/LFM2-2.6B
Input Token Cost Cost per million input tokens	$0.20 per million tokens	$0.05 per million tokens
Output Token Cost Cost per million outut tokens	$0.80 per million tokens	$0.10 per million tokens

Benchmarks

Compare relevant benchmarks between DeepSeek V3.1 and LiquidAI/LFM2-2.6B.

	DeepSeek V3.1	LiquidAI/LFM2-2.6B
MMLU Measures knowledge across 57 subjects like law, math, history, and science	Benchmark not available.	Benchmark not available.
MMMU Measures understanding of combined text and images across various domains	Benchmark not available.	Benchmark not available.
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations	Benchmark not available.	Benchmark not available.

At a Glance

Quick overview of what makes DeepSeek V3.1 and LiquidAI/LFM2-2.6B unique.

DeepSeek V3.1 by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 163.8K token context window. Very affordable at $0.20/M input and $0.80/M output tokens. Released August 21st, 2025.

LiquidAI/LFM2-2.6B by Liquid is a text-based AI model. It can handle standard conversations with its 32.8K token context window. Very affordable at $0.05/M input and $0.10/M output tokens. Released October 20th, 2025.