Model Comparison

Hy3 vs Jamba 1.5 MiniWhich is better in 2026?

Hy3 significantly outperforms across most benchmarks.

Verdict: Hy3 vs Jamba 1.5 Mini — which is better?

Hy3 (by Tencent) and Jamba 1.5 Mini (by AI21 Labs) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Hy3 outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Mini is better at 0 benchmarks. Hy3 significantly outperforms across most benchmarks.

Choose Hy3 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Choose Jamba 1.5 Mini if…

  • you want predictable pricing at $0.20/M input and $0.40/M output

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Hy3 outperforms in 1 benchmarks (GPQA), while Jamba 1.5 Mini is better at 0 benchmarks.

Hy3 significantly outperforms across most benchmarks.

Mon Jul 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

243.0B diff

Hy3 has 243.0B more parameters than Jamba 1.5 Mini, making it 467.3% larger.

Tencent
Hy3
295.0Bparameters
AI21 Labs
Jamba 1.5 Mini
52.0Bparameters
295.0B
Hy3
52.0B
Jamba 1.5 Mini

Context Window

Maximum input and output token capacity

Only Jamba 1.5 Mini specifies input context (256,144 tokens). Only Jamba 1.5 Mini specifies output context (256,144 tokens).

Tencent
Hy3
Input- tokens
Output- tokens
AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Mon Jul 20 2026 • llm-stats.com

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while Jamba 1.5 Mini uses Jamba Open Model License.

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

Hy3

Apache 2.0

Open weights

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while Jamba 1.5 Mini was released on 2024-08-22.

Hy3 is 23 months newer than Jamba 1.5 Mini.

Hy3

Jul 6, 2026

2 weeks ago

1.9yr newer
Jamba 1.5 Mini

Aug 22, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while Hy3's cutoff date is not specified.

We can confirm Jamba 1.5 Mini's training data extends to 2024-03-05, but cannot make a direct comparison without Hy3's cutoff date.

Hy3

Jamba 1.5 Mini

Mar 2024

Outputs Comparison

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Key Takeaways

Higher GPQA score (90.4% vs 32.3%)
Larger context window (256,144 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Hy3 and Jamba 1.5 Mini side-by-side, then vote on the output you prefer.

Hy3
✓ Preferred
Jamba 1.5 Mini
Open in Playground
AI Model Comparison Table
Feature
Tencent
Hy3
AI21 Labs
Jamba 1.5 Mini

FAQ

Common questions about Hy3 vs Jamba 1.5 Mini.

Which is better, Hy3 or Jamba 1.5 Mini?

Hy3 significantly outperforms across most benchmarks. Hy3 is made by Tencent and Jamba 1.5 Mini is made by AI21 Labs. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Hy3 compare to Jamba 1.5 Mini in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%.

What are the context window sizes for Hy3 and Jamba 1.5 Mini?

Hy3 supports an unknown number of tokens and Jamba 1.5 Mini supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hy3 and Jamba 1.5 Mini?

Key differences include licensing (Apache 2.0 vs Jamba Open Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy3 and Jamba 1.5 Mini?

Hy3 is developed by Tencent and Jamba 1.5 Mini is developed by AI21 Labs.