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 xAI: Grok 4
AI21: Jamba Large 1.7 and xAI: Grok 4 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning ef…
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | xAI: Grok 4 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 256K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $3.00 | 🏆 AI21: Jamba Large 1.7 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $15.00 | 🏆 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 | 🏆 xAI: Grok 4 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 xAI: Grok 4 |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than xAI: Grok 4?
AI21: Jamba Large 1.7 and xAI: Grok 4 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 xAI: Grok 4?
Input: $2.00 vs $3.00 per 1M tokens. Output: $8.00 vs $15.00 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and xAI: Grok 4 support?
AI21: Jamba Large 1.7 supports up to 256K tokens. xAI: Grok 4 supports up to 256K tokens.
Do both AI21: Jamba Large 1.7 and xAI: Grok 4 support tool calling?
AI21: Jamba Large 1.7: yes. xAI: Grok 4: yes.