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...
Model details →AI21: Jamba Large 1.7 vs Claude Opus 5 (batch)
Claude Opus 5 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Claude Opus 5 (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 1M | 🏆 Claude Opus 5 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $2.50 | 🏆 AI21: Jamba Large 1.7 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $12.50 | 🏆 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 | 🏆 Claude Opus 5 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Claude Opus 5 (batch) |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Claude Opus 5 (batch)?
Claude Opus 5 (batch) 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 Claude Opus 5 (batch)?
Input: $2.00 vs $2.50 per 1M tokens. Output: $8.00 vs $12.50 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and Claude Opus 5 (batch) support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Claude Opus 5 (batch) supports up to 1M tokens.
Do both AI21: Jamba Large 1.7 and Claude Opus 5 (batch) support tool calling?
AI21: Jamba Large 1.7: yes. Claude Opus 5 (batch): yes.