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 OpenAI: GPT-5.4 Image 2
AI21: Jamba Large 1.7 and OpenAI: GPT-5.4 Image 2 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between re…
Model details →Side-by-side comparison
| Capability | AI21: Jamba Large 1.7 | OpenAI: GPT-5.4 Image 2 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 272K | 🏆 OpenAI: GPT-5.4 Image 2 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $8.00 | 🏆 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 | — | 🏆 AI21: Jamba Large 1.7 |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-5.4 Image 2 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 OpenAI: GPT-5.4 Image 2 |
Frequently asked questions
Is AI21: Jamba Large 1.7 better than OpenAI: GPT-5.4 Image 2?
AI21: Jamba Large 1.7 and OpenAI: GPT-5.4 Image 2 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 OpenAI: GPT-5.4 Image 2?
Input: $2.00 vs $8.00 per 1M tokens. Output: $8.00 vs $15.00 per 1M tokens.
What context windows do AI21: Jamba Large 1.7 and OpenAI: GPT-5.4 Image 2 support?
AI21: Jamba Large 1.7 supports up to 256K tokens. OpenAI: GPT-5.4 Image 2 supports up to 272K tokens.
Do both AI21: Jamba Large 1.7 and OpenAI: GPT-5.4 Image 2 support tool calling?
AI21: Jamba Large 1.7: yes. OpenAI: GPT-5.4 Image 2: not advertised.