Essential AI (@essential

Essential AI

80 posts

Essential AI

@essential_ai

At Essential AI, we're building an open platform to democratize frontier AI capabilities and accelerate breakthroughs globally through collaborative science.

San Francisco, CA

Joined August 2023

Pinned
Essential AI
@essential_ai
Dec 6, 2025
Today, we’re excited to introduce Rnj-1, @essential_ai's first open model; a world-class 8B base + instruct pair, built with scientific rigor, intentional design, and a belief that the advancement and equitable distribution of AI depend on building in the open. We bring
618K
Essential AI
@essential_ai
Mar 7
Rnj-1 has outperformed other open models in its weight class in the largest open-source AI initiative in telecom to-date🚀
8K
Essential AI
@essential_ai
Mar 7
Replying to @essential_ai
Farbod Tavakkoli from @ATT and @DiamosGreg from @tensorwave demonstrated world-class efficiency at scale, achieving exceptional utilization across 256 @AMD MI325X GPUs on TensorWave using ScalarLM. This is a victory for American open weights models.
3.1K
Essential AI
@essential_ai
Mar 7
Blog → essential.ai/research/rnj-1 Model → huggingface.co/EssentialAI/rn… We have more exciting updates coming soon. Stay tuned!
essential.ai
Essential AI
Essential AI builds open-source models and tools to make frontier AI more accessible.
960
Essential AI
@essential_ai
Dec 23, 2025
[1/5] We thank the community for their feedback on Rnj-1. We’d like to announce a few updates to Rnj-1-instruct based on what we heard: - Resolving premature truncation of generations and improved instruction following. - Instructions for 128k context length extrapolation. -
23K
Essential AI
@essential_ai
Dec 23, 2025
Replying to @essential_ai
[4/5] Our tables have been updated with the Olmo-3-7B-Instruct baseline, and we have added post-processing improvements to our STEM evals, boosting performance. For reproducibility, we release our eval prompts and generations.
1.7K
Essential AI
@essential_ai
Dec 23, 2025
[5/5] Check it out on Hugging Face🤗: Model → huggingface.co/EssentialAI/rn… GGUF → huggingface.co/EssentialAI/rn… Evals → huggingface.co/collections/Es…
EssentialAI/rnj-1-instruct · Hugging Face
From huggingface.co
1.4K
Essential AI
@essential_ai
Dec 11, 2025
The momentum is real. Let's go! 🚀
Ashish Vaswani
@ashVaswani
Dec 11, 2025
Rnj-1-Instruct is now the #1 trending text generation model on HF!
19K
Essential AI
@essential_ai
Dec 10, 2025
We are now the #1 trending text-gen <256B size model on HuggingFace!!
13K
Essential AI
@essential_ai
Dec 10, 2025
EssentialAI/rnj-1-instruct · Hugging Face
From huggingface.co
909
Essential AI
@essential_ai
Dec 9, 2025
Proud to carry the spirit of Ramanujan with rnj-1: honoring the great minds who showed how curiosity reshapes the world. The lineage of deep thinking is part of our mission. Essential proud.
Divya Shivaprasad
@DivShivaprasad
Dec 9, 2025
Behind the scenes at Essential: long hours, tough problems, and a team driven by an unsatiable desire to build. What keeps us going isn’t noise - it’s the scientific discipline. The work demands focus, rigor, and a willingness to push through uncertainty. Proud to work with
5.8K
Essential AI
@essential_ai
Dec 9, 2025
Rnj-1 is now live on @openrouter!
6.3K
Essential AI
@essential_ai
Dec 9, 2025
Check it out
openrouter.ai
Rnj 1 Instruct - API Pricing & Providers
Rnj-1 is an 8B-parameter, dense, open-weight model family developed by Essential AI and trained from scratch with a focus on programming, math, and scientific reasoning. $0.15 per million input...
668
Essential AI reposted
Together AI
@togethercompute
Dec 6, 2025
Replying to @togethercompute and @essential_ai
Try Rnj-1 Instruct now on Together AI
Rnj-1 Instruct API | Together AI
From together.ai
4.7K
Essential AI reposted
Together AI
@togethercompute
Dec 6, 2025
Replying to @togethercompute and @essential_ai
Highlights: 👉 Dominant on SWE-bench, BFCL, and Enamel 👉 Strong tool use and function calling 👉 32K context window 👉 Apache 2.0 licensed, fully open weights 👉 Trained on 8.4T tokens with Muon optimizer
3.6K
Essential AI reposted
Together AI
@togethercompute
Dec 6, 2025
Introducing Rnj-1 Instruct from @essential_ai, an open-source 8B model engineered for agentic coding and STEM tasks. AI natives can now use Rnj-1 Instruct on Together AI and benefit from reliable inference for production-scale software engineering and scientific workflows.
5.6K
Essential AI reposted
Ashish Vaswani
@ashVaswani
Dec 6, 2025
We are beyond thrilled to share our first flagship models, Rnj-1 base and instruct 8B parameter models. Rnj-1 is the culmination of 10 months of hard work by a phenomenal team, dedicated to advancing American SOTA OSS AI. Lots of wins with Rnj-1. 1. SWE bench performance close
Essential AI
@essential_ai
Dec 6, 2025
Today, we’re excited to introduce Rnj-1, @essential_ai's first open model; a world-class 8B base + instruct pair, built with scientific rigor, intentional design, and a belief that the advancement and equitable distribution of AI depend on building in the open. We bring
641K