LiquidAI/LFM2.5-1.2B-JP-202606

TEXT GENERATIONConcurrency Cost:1Model Size:1.2BQuant:BF16Ctx Length:32kPublished:May 26, 2026License:lfm1.0Architecture:Transformer0.1K Cold

The LiquidAI LFM2.5-1.2B-JP-202606 is a 1.2 billion parameter general-purpose Japanese chat model with a 32,768 token context length, developed by LiquidAI. It demonstrates significant improvements in Japanese knowledge, instruction following, math, code, and tool-use compared to other sub-2B models. This model is optimized for Japanese language applications requiring cultural and linguistic nuance, excelling in agentic workflows and structured outputs.

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LFM2.5-1.2B-JP-202606: Advanced Japanese Chat Model

LiquidAI's LFM2.5-1.2B-JP-202606 is a 1.2 billion parameter general-purpose Japanese chat model, representing a significant advancement in Japanese language understanding. It outperforms previous iterations and comparable models in knowledge, instruction following, math, code, and tool-use, as evidenced by its leading scores across a diverse benchmark suite, achieving a 53.11 Domain Avg.

Key Capabilities

  • Enhanced Japanese Performance: Sets a new benchmark for state-of-the-art performance in Japanese language understanding across multiple domains.
  • Broad Skill Set: Demonstrates strong capabilities in knowledge, complex instruction following, mathematical reasoning, code generation, and tool-use.
  • Extensive Context Window: Features a 32,768 token context length, allowing for processing longer and more complex Japanese inputs.
  • Bilingual Support: Supports both English and Japanese, making it suitable for bilingual applications.
  • Function Calling: Integrates robust function calling capabilities, supporting agentic workflows and structured outputs.

Good for

  • Developing Japanese-language applications where cultural and linguistic nuance are critical.
  • Agentic workflows and tool-use scenarios requiring precise function calling.
  • Generating structured outputs based on clear instructions.
  • Bilingual English-Japanese assistant applications.
  • On-device personal assistant applications due to its efficient size.

This model is not recommended for knowledge-intensive tasks but performs best when provided with clear, explicit instructions defining the task, expected behavior, and output format.