Jamba Large 1.7 is the latest model in the Jamba open family, offering improvements in grounding, instruction-following, and overall efficiency. Built on a hybrid SSM-Transformer architecture with a 256K context window, it delivers more acc…
Model details →AI21: Jamba Large 1.7 vs EssentialAI: Rnj 1 Instruct
EssentialAI: Rnj 1 Instruct wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
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 →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | EssentialAI: Rnj 1 Instruct | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 33K | 🏆 AI21: Jamba Large 1.7 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $0.15 | 🏆 EssentialAI: Rnj 1 Instruct |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $0.15 | 🏆 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 AI21: Jamba Large 1.7 better than EssentialAI: Rnj 1 Instruct?
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 AI21: Jamba Large 1.7 and EssentialAI: Rnj 1 Instruct?
Input: $2.00 vs $0.15 per 1M tokens. Output: $8.00 vs $0.15 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and EssentialAI: Rnj 1 Instruct support?
AI21: Jamba Large 1.7 supports up to 256K tokens. EssentialAI: Rnj 1 Instruct supports up to 33K tokens.
Do both AI21: Jamba Large 1.7 and EssentialAI: Rnj 1 Instruct support tool calling?
AI21: Jamba Large 1.7: yes. EssentialAI: Rnj 1 Instruct: yes.