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← Back to Text Models LFM2.5-1.2B-Thinking is optimized for reasoning tasks, delivering strong performance on math, logic, and multi-step problem-solving. Built on the LFM2.5 architecture with specialized training for chain-of-thought reasoning.

Specifications

PropertyValue
Parameters1.2B
Context Length32K tokens
ArchitectureLFM2.5 (Dense)

Math & Logic

Strong arithmetic and logical reasoning

Chain-of-Thought

Step-by-step problem decomposition

Fine-tunable

TRL compatible (SFT, DPO, GRPO)

Quick Start