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 Amazon: Nova Premier 1.0
AI21: Jamba Large 1.7 and Amazon: Nova Premier 1.0 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Amazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Amazon: Nova Premier 1.0 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 1M | 🏆 Amazon: Nova Premier 1.0 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $2.50 | 🏆 AI21: Jamba Large 1.7 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $12.50 | 🏆 AI21: Jamba Large 1.7 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Amazon: Nova Premier 1.0 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Amazon: Nova Premier 1.0?
AI21: Jamba Large 1.7 and Amazon: Nova Premier 1.0 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between AI21: Jamba Large 1.7 and Amazon: Nova Premier 1.0?
Input: $2.00 vs $2.50 per 1M tokens. Output: $8.00 vs $12.50 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Amazon: Nova Premier 1.0 support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Amazon: Nova Premier 1.0 supports up to 1M tokens.
Do both AI21: Jamba Large 1.7 and Amazon: Nova Premier 1.0 support tool calling?
AI21: Jamba Large 1.7: yes. Amazon: Nova Premier 1.0: yes.