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 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced contextual understanding with fast, cos…
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 66K | 🏆 AI21: Jamba Large 1.7 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $0.50 | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $3.00 | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 AI21: Jamba Large 1.7 |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) wins on 4 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 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Input: $2.00 vs $0.50 per 1M tokens. Output: $8.00 vs $3.00 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports up to 66K tokens.
Do both AI21: Jamba Large 1.7 and Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) support tool calling?
AI21: Jamba Large 1.7: yes. Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview): not advertised.