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Company
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April 14, 2026
Introducing the Trinity Builders Program
A community credit grant for developers, researchers, and open source builders working with Trinity models. Apply for free inference access on the Arcee API.
](https://www.arcee.ai/blog/introducing-the-trinity-builders-program)
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Agentic AI
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April 3, 2026
How to Use Hermes Agent with Trinity Large Thinking
Learn how to set up Hermes Agent powered by Trinity-Large-Thinking. This guide covers installation, tool configuration, and launching your AI assistant.
](https://www.arcee.ai/blog/how-to-use-hermes-agent-with-trinity-large-thinking)
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News
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April 1, 2026
Trinity-Large-Thinking: Scaling an Open Source Frontier Agent
Trinity-Large-Thinking is live. A frontier open reasoning model for complex, long-horizon agents and multi-turn tool calling released under Apache 2.0.
](https://www.arcee.ai/blog/trinity-large-thinking)
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News
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January 27, 2026
Trinity Large
A deep dive into Trinity Large, covering architecture, sparsity, training at scale, and why we shipped Preview, Base, and TrueBase checkpoints.
](https://www.arcee.ai/blog/trinity-large)
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Research
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December 15, 2025
Distilling Kimi Delta Attention into AFM-4.5B (and the Tool We Used to Do It)
Learn how Kimi Delta Attention was distilled into AFM-4.5B using knowledge distillation, long-context training, and Arcee’s open-source DistillKit.
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News
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December 1, 2025
The Trinity Manifesto
Arcee introduces Trinity Mini, a compact MoE model trained end-to-end in the U.S., offering open weights, strong reasoning, and full control for developers.
](https://www.arcee.ai/blog/the-trinity-manifesto)
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News
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October 31, 2025
Mergekit Returns To Its Roots
Effective Friday, October 31, 2025, we are returning Mergekit to the GNU Lesser General Public License v3.
](https://www.arcee.ai/blog/mergekit-returns-to-its-roots)
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Open-Source Toolkits
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October 6, 2025
IBM Research Uses Arcee MergeKit in Granite 4.0 Model Development
MergeKit helped evaluate merged checkpoints and select top performers, reflecting a broader enterprise shift to open models & reproducible tooling.
](https://www.arcee.ai/blog/ibm-research-uses-arcee-mergekit-in-granite-4-0-model-development)
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Research
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September 30, 2025
Optimizing Arcee Foundation Models on Intel CPUs
Explore how to optimize small language models on Intel’s latest CPU, utilizing Arcee AI’s AFM-4.5B and Intel-optimized inference libraries.
](https://www.arcee.ai/blog/optimizing-arcee-foundation-models-on-intel-cpus)
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