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 Perplexity: Sonar Reasoning Pro
AI21: Jamba Large 1.7 and Perplexity: Sonar Reasoning Pro are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) Sonar Reasoning Pro is a premier reasoning model pow…
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Perplexity: Sonar Reasoning Pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 128K | 🏆 AI21: Jamba Large 1.7 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $2.00 | Tie |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $8.00 | Tie |
| 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 | 🏆 Perplexity: Sonar Reasoning Pro |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Perplexity: Sonar Reasoning Pro |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Perplexity: Sonar Reasoning Pro?
AI21: Jamba Large 1.7 and Perplexity: Sonar Reasoning Pro 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 Perplexity: Sonar Reasoning Pro?
Input: $2.00 vs $2.00 per 1M tokens. Output: $8.00 vs $8.00 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Perplexity: Sonar Reasoning Pro support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Perplexity: Sonar Reasoning Pro supports up to 128K tokens.
Do both AI21: Jamba Large 1.7 and Perplexity: Sonar Reasoning Pro support tool calling?
AI21: Jamba Large 1.7: yes. Perplexity: Sonar Reasoning Pro: not advertised.