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 Writer: Palmyra X5
Writer: Palmyra X5 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise. It delivers industry-leading speed and efficiency on context windows up to 1 million tokens, powered by a novel transformer …
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Writer: Palmyra X5 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 1.0M | 🏆 Writer: Palmyra X5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $0.60 | 🏆 Writer: Palmyra X5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $6.00 | 🏆 Writer: Palmyra X5 |
| 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. | — | — | Tie |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Writer: Palmyra X5?
Writer: Palmyra X5 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 Writer: Palmyra X5?
Input: $2.00 vs $0.60 per 1M tokens. Output: $8.00 vs $6.00 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Writer: Palmyra X5 support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Writer: Palmyra X5 supports up to 1.0M tokens.
Do both AI21: Jamba Large 1.7 and Writer: Palmyra X5 support tool calling?
AI21: Jamba Large 1.7: yes. Writer: Palmyra X5: not advertised.