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 Baidu: ERNIE 4.5 21B A3B Thinking
Baidu: ERNIE 4.5 21B A3B Thinking wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
ERNIE-4.5-21B-A3B-Thinking is Baidu's upgraded lightweight MoE model, refined to boost reasoning depth and quality for top-tier performance in logical puzzles, math, science, coding, text generation, and expert-level academic benchmarks.
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Baidu: ERNIE 4.5 21B A3B Thinking | 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 | $0.07 | 🏆 Baidu: ERNIE 4.5 21B A3B Thinking |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $0.28 | 🏆 Baidu: ERNIE 4.5 21B A3B Thinking |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 AI21: Jamba Large 1.7 |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Baidu: ERNIE 4.5 21B A3B Thinking |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Baidu: ERNIE 4.5 21B A3B Thinking?
Baidu: ERNIE 4.5 21B A3B Thinking wins on 3 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 Baidu: ERNIE 4.5 21B A3B Thinking?
Input: $2.00 vs $0.07 per 1M tokens. Output: $8.00 vs $0.28 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Baidu: ERNIE 4.5 21B A3B Thinking support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Baidu: ERNIE 4.5 21B A3B Thinking supports up to 131K tokens.
Do both AI21: Jamba Large 1.7 and Baidu: ERNIE 4.5 21B A3B Thinking support tool calling?
AI21: Jamba Large 1.7: yes. Baidu: ERNIE 4.5 21B A3B Thinking: not advertised.