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Granite 3.3 8B Base vs Jamba 1.5 Mini

Granite 3.3 8B Base and Jamba 1.5 Mini are closely matched at -0.3 and -5.5 on the LLM Stats Score.

IBM · AI21 Labs · Updated for 2026

Which is better?

Granite 3.3 8B Base and Jamba 1.5 Mini are closely matched on the overall LLM Stats Score at -0.3 and -5.5.

In the 5 individual benchmarks reported for both models, Jamba 1.5 Mini wins 4; this is a narrower head-to-head signal than the composite indexes.

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

Choose Granite 3.3 8B Base

  • you want the most recent training data — it shipped Apr 2025

Choose Jamba 1.5 Mini

  • you value its reported benchmark strengths — it wins 4 of 5 exact shared results

At a glance

The differences that matter most.

Granite 3.3 8B Base
IBM
Jamba 1.5 Mini
AI21 Labs
Core performance indexes
LLM Stats Score
-0.3
#316
-5.5
#347
Reasoning
-0.5
#311
-5.5
#337
Cost, coverage & limits
Benchmark wins
1 of 5
4 of 5
Input price
— / M
$0.20 / M
Output price
— / M
$0.40 / M
Context window
—
256,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Granite 3.3 8B Base
Jamba 1.5 Mini
Math
-0.5#290
-3.6#306
Finance
-6.8#209
-3.4#199
Legal
-5.5#192
-3.4#185
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for Granite 3.3 8B Base · 8 for Jamba 1.5 Mini

5 shared

Granite 3.3 8B Base outperforms in 1 benchmarks (Arena Hard), while Jamba 1.5 Mini is better at 4 benchmarks (ARC-C, GSM8k, MMLU, TruthfulQA).

Jamba 1.5 Mini significantly outperforms across most benchmarks.

Fri Sep 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

43.8B diff

Jamba 1.5 Mini has 43.8B more parameters than Granite 3.3 8B Base, making it 536.5% larger.

IBM
Granite 3.3 8B Base
8.2Bparameters
AI21 Labs
Jamba 1.5 Mini
52.0Bparameters
8.2B
Granite 3.3 8B Base
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).

IBM
Granite 3.3 8B Base
Input- tokens
Output- tokens
AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Granite 3.3 8B Base supports multimodal inputs, whereas Jamba 1.5 Mini does not.

Granite 3.3 8B Base can handle both text and other forms of data like images, making it suitable for multimodal applications.

Granite 3.3 8B Base

Text
Images
Audio
Video

Jamba 1.5 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Granite 3.3 8B Base 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.

Granite 3.3 8B Base

Apache 2.0

Open weights

Jamba 1.5 Mini

Jamba Open Model License

Open weights

Release Timeline

When each model was launched

Granite 3.3 8B Base was released on 2025-04-16, while Jamba 1.5 Mini was released on 2024-08-22.

Granite 3.3 8B Base is 8 months newer than Jamba 1.5 Mini.

Granite 3.3 8B Base

Apr 16, 2025

1.4 years ago

7mo newer
Jamba 1.5 Mini

Aug 22, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Granite 3.3 8B Base has a knowledge cutoff of 2024-04-01, while Jamba 1.5 Mini has a cutoff of 2024-03-05.

Granite 3.3 8B Base has more recent training data (up to 2024-04-01), making it potentially better informed about events through that date compared to Jamba 1.5 Mini (2024-03-05).

Granite 3.3 8B Base

Apr 2024

1 mo newer
Jamba 1.5 Mini

Mar 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Granite 3.3 8B Base and Jamba 1.5 Mini side-by-side, then vote on the output you prefer.

Granite 3.3 8B Base
✓ Preferred
Jamba 1.5 Mini
Open in Playground

FAQ

Common questions about Granite 3.3 8B Base vs Jamba 1.5 Mini.

Which is better, Granite 3.3 8B Base or Jamba 1.5 Mini?

Granite 3.3 8B Base and Jamba 1.5 Mini are closely matched on the LLM Stats Score at -0.3 and -5.5. Granite 3.3 8B Base is made by IBM and Jamba 1.5 Mini is made by AI21 Labs. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Granite 3.3 8B Base compare to Jamba 1.5 Mini in benchmarks?

Granite 3.3 8B Base scores HumanEval: 89.7%, AttaQ: 88.5%, HumanEval+: 86.1%, AIME 2024: 81.2%, HellaSwag: 80.1%. 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 Granite 3.3 8B Base and Jamba 1.5 Mini?

Granite 3.3 8B Base 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 Granite 3.3 8B Base and Jamba 1.5 Mini?

Key differences include LLM Stats Score (-0.3 vs -5.5), multimodal support (yes vs no), licensing (Apache 2.0 vs Jamba Open Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Granite 3.3 8B Base and Jamba 1.5 Mini?

Granite 3.3 8B Base is developed by IBM and Jamba 1.5 Mini is developed by AI21 Labs.

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