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 Anthropic: Claude Opus 4.5 (batch)
AI21: Jamba Large 1.7 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding…
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | Anthropic: Claude Opus 4.5 (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 200K | 🏆 AI21: Jamba Large 1.7 |
| 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 | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Anthropic: Claude Opus 4.5 (batch) |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Anthropic: Claude Opus 4.5 (batch)?
AI21: Jamba Large 1.7 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 Anthropic: Claude Opus 4.5 (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 Anthropic: Claude Opus 4.5 (batch) support?
AI21: Jamba Large 1.7 supports up to 256K tokens. Anthropic: Claude Opus 4.5 (batch) supports up to 200K tokens.
Do both AI21: Jamba Large 1.7 and Anthropic: Claude Opus 4.5 (batch) support tool calling?
AI21: Jamba Large 1.7: yes. Anthropic: Claude Opus 4.5 (batch): yes.
Compare AI21: Jamba Large 1.7 with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest