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 across multiple programming …
Model details →EssentialAI: Rnj 1 Instruct vs TheDrummer: Rocinante 12B
EssentialAI: Rnj 1 Instruct wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Rocinante 12B is designed for engaging storytelling and rich prose. Early testers have reported: - Expanded vocabulary with unique and expressive word choices - Enhanced creativity for vivid narratives - Adventure-filled and captivating st…
Model details →Side-by-side comparison
| Capability | EssentialAI: Rnj 1 Instruct | TheDrummer: Rocinante 12B | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 33K | 33K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.15 | $0.17 | 🏆 EssentialAI: Rnj 1 Instruct |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.15 | $0.43 | 🏆 EssentialAI: Rnj 1 Instruct |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is EssentialAI: Rnj 1 Instruct better than TheDrummer: Rocinante 12B?
EssentialAI: Rnj 1 Instruct wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between EssentialAI: Rnj 1 Instruct and TheDrummer: Rocinante 12B?
Input: $0.15 vs $0.17 per 1M tokens. Output: $0.15 vs $0.43 per 1M tokens.
What context windows do EssentialAI: Rnj 1 Instruct and TheDrummer: Rocinante 12B support?
EssentialAI: Rnj 1 Instruct supports up to 33K tokens. TheDrummer: Rocinante 12B supports up to 33K tokens.
Do both EssentialAI: Rnj 1 Instruct and TheDrummer: Rocinante 12B support tool calling?
EssentialAI: Rnj 1 Instruct: yes. TheDrummer: Rocinante 12B: yes.