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 Meituan: LongCat Flash Chat
Meituan: LongCat Flash Chat wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
LongCat-Flash-Chat is a large-scale Mixture-of-Experts (MoE) model with 560B total parameters, of which 18.6B–31.3B (≈27B on average) are dynamically activated per input. It introduces a shortcut-connected MoE design to reduce communication…
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Meituan: LongCat Flash Chat | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 131K | 🏆 AI21: Jamba Large 1.7 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $0.20 | 🏆 Meituan: LongCat Flash Chat |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $0.80 | 🏆 Meituan: LongCat Flash Chat |
| 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 Meituan: LongCat Flash Chat?
Meituan: LongCat Flash Chat 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 Meituan: LongCat Flash Chat?
Input: $2.00 vs $0.20 per 1M tokens. Output: $8.00 vs $0.80 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Meituan: LongCat Flash Chat support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Meituan: LongCat Flash Chat supports up to 131K tokens.
Do both AI21: Jamba Large 1.7 and Meituan: LongCat Flash Chat support tool calling?
AI21: Jamba Large 1.7: yes. Meituan: LongCat Flash Chat: yes.