EssentialAI: Rnj 1 Instruct
Review
EssentialAI's Rnj 1 Instruct has no benchmark data available; while it supports tool use and function calling at a low price point, its capabilities cannot be reliably assessed for business use without performance evidence.
Assessment date: April 4, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
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. The model demonstrates strong performance..
Capabilities
Architecture
| Modality | Text → Text |
| Tokenizer | Other |
How does EssentialAI: Rnj 1 Instruct stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
essentialai/rnj-1-instruct
|
| Provider | essentialai |
| Release Date | December 7, 2025 |
| Context Length | 32,768 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.15 | $0.000150 |
| Output | $0.15 | $0.000150 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
External Resources
Explore Related Models
Data sourced from OpenRouter API, Artificial Analysis and Hugging Face Open LLM Leaderboard. Scores are editorially curated by our team.
Last updated: April 15, 2026 8:53 pm