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rnj-1

Essential AIOther

Rnj-1 is a family of 8B parameter open-weight, dense models trained from scratch by Essential AI, optimized for code and STEM with capabilities on par with SOTA open-weight models.

326K pullsUpdated Dec 26, 20256 tags32K context

Quick start

ollama run rnj-1

Available sizes

Tag	Size	Quantization	Context	Min RAM
rnj-1:latest	5.1GB	q4_k_m	32K context	6.4 GB

Run with

Claude Code

ollama launch claude --model rnj-1

Codex

ollama launch codex --model rnj-1

OpenCode

ollama launch opencode --model rnj-1

OpenClaw

ollama launch openclaw --model rnj-1

Strengths & Limitations

Strengths

Code generation
STEM problem solving
SOTA open-weight performance

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