The AI arena is free today

Open Superagent

Jamba 1.5 Large vs Qwen4-Max-Preview

Comparing Jamba 1.5 Large and Qwen4-Max-Preview across benchmarks, pricing, and capabilities.

AI21 Labs · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Jamba 1.5 Large and Qwen4-Max-Preview trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Jamba 1.5 Large

  • you need open weights you can self-host or fine-tune

Choose Qwen4-Max-Preview

  • you want the most recent training data — it shipped Nov 2026

At a glance

The differences that matter most.

Jamba 1.5 Large
AI21 Labs
Qwen4-Max-Preview
Alibaba Cloud / Qwen Team
Benchmark wins
—
—
Input price
$2.00 / M
— / M
Output price
$8.00 / M
— / M
Context window
256,000
—

Individual benchmarks

8 reported for Jamba 1.5 Large · 0 for Qwen4-Max-Preview

No common benchmarks found

Jamba 1.5 Large and Qwen4-Max-Previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Jamba 1.5 Large specifies input context (256,000 tokens). Only Jamba 1.5 Large specifies output context (256,000 tokens).

AI21 Labs
Jamba 1.5 Large
Input256,000 tokens
Output256,000 tokens
Alibaba Cloud / Qwen Team
Qwen4-Max-Preview
Input- tokens
Output- tokens
Fri Nov 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Qwen4-Max-Preview supports multimodal inputs, whereas Jamba 1.5 Large does not.

Qwen4-Max-Preview can handle both text and other forms of data like images, making it suitable for multimodal applications.

Jamba 1.5 Large

Text
Images
Audio
Video

Qwen4-Max-Preview

Text
Images
Audio
Video

License

Usage and distribution terms

Jamba 1.5 Large is licensed under Jamba Open Model License, while Qwen4-Max-Preview uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Jamba 1.5 Large

Jamba Open Model License

Open weights

Qwen4-Max-Preview

Proprietary

Closed source

Release Timeline

When each model was launched

Jamba 1.5 Large was released on 2024-08-22, while Qwen4-Max-Preview was released on 2026-11-11.

Qwen4-Max-Preview is 27 months newer than Jamba 1.5 Large.

Jamba 1.5 Large

Aug 22, 2024

2.2 years ago

Qwen4-Max-Preview

Nov 11, 2026

1 days ago

2.2yr newer

Knowledge Cutoff

When training data ends

Jamba 1.5 Large has a documented knowledge cutoff of 2024-03-05, while Qwen4-Max-Preview's cutoff date is not specified.

We can confirm Jamba 1.5 Large's training data extends to 2024-03-05, but cannot make a direct comparison without Qwen4-Max-Preview's cutoff date.

Jamba 1.5 Large

Mar 2024

Qwen4-Max-Preview

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Jamba 1.5 Large and Qwen4-Max-Preview side-by-side, then vote on the output you prefer.

Jamba 1.5 Large
✓ Preferred
Qwen4-Max-Preview
Open in Playground

FAQ

Common questions about Jamba 1.5 Large vs Qwen4-Max-Preview.

Which is better, Jamba 1.5 Large or Qwen4-Max-Preview?

Jamba 1.5 Large (AI21 Labs) and Qwen4-Max-Preview (Alibaba Cloud / Qwen Team) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Jamba 1.5 Large compare to Qwen4-Max-Preview in benchmarks?

Jamba 1.5 Large scores ARC-C: 93.0%, GSM8k: 87.0%, MMLU: 81.2%, Arena Hard: 65.4%, TruthfulQA: 58.3%.

What are the context window sizes for Jamba 1.5 Large and Qwen4-Max-Preview?

Jamba 1.5 Large supports 256K tokens and Qwen4-Max-Preview supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Jamba 1.5 Large and Qwen4-Max-Preview?

Key differences include multimodal support (no vs yes), licensing (Jamba Open Model License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Jamba 1.5 Large and Qwen4-Max-Preview?

Jamba 1.5 Large is developed by AI21 Labs and Qwen4-Max-Preview is developed by Alibaba Cloud / Qwen Team.

Related comparisons