Model Comparison

Jamba 1.5 Mini vs o1-pro

o1-pro significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Jamba 1.5 Mini outperforms in 0 benchmarks, while o1-pro is better at 1 benchmark (GPQA).

o1-pro significantly outperforms across most benchmarks.

Sat May 02 2026 • llm-stats.com

Arena Performance

Human preference votes

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).

AI21 Labs
Jamba 1.5 Mini
Input256,144 tokens
Output256,144 tokens
OpenAI
o1-pro
Input- tokens
Output- tokens
Sat May 02 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

o1-pro supports multimodal inputs, whereas Jamba 1.5 Mini does not.

o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Jamba 1.5 Mini

Text
Images
Audio
Video

o1-pro

Text
Images
Audio
Video

License

Usage and distribution terms

Jamba 1.5 Mini is licensed under Jamba Open Model License, while o1-pro uses a proprietary license.

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

Jamba 1.5 Mini

Jamba Open Model License

Open weights

o1-pro

Proprietary

Closed source

Release Timeline

When each model was launched

Jamba 1.5 Mini was released on 2024-08-22, while o1-pro was released on 2024-12-17.

o1-pro is 4 months newer than Jamba 1.5 Mini.

Jamba 1.5 Mini

Aug 22, 2024

1.7 years ago

o1-pro

Dec 17, 2024

1.4 years ago

3mo newer

Knowledge Cutoff

When training data ends

Jamba 1.5 Mini has a knowledge cutoff of 2024-03-05, while o1-pro has a cutoff of 2023-09-30.

Jamba 1.5 Mini has more recent training data (up to 2024-03-05), making it potentially better informed about events through that date compared to o1-pro (2023-09-30).

Jamba 1.5 Mini

Mar 2024

6 mo newer
o1-pro

Sep 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

AI21 Labs
Larger context window (256,144 tokens)
Has open weights
OpenAI
Supports multimodal inputs
Higher GPQA score (79.0% vs 32.3%)

Detailed Comparison

AI Model Comparison Table
Feature
AI21 Labs
Jamba 1.5 Mini
OpenAI
o1-pro

FAQ

Common questions about Jamba 1.5 Mini vs o1-pro.

Which is better, Jamba 1.5 Mini or o1-pro?

o1-pro significantly outperforms across most benchmarks. Jamba 1.5 Mini is made by AI21 Labs and o1-pro is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Jamba 1.5 Mini compare to o1-pro in benchmarks?

Jamba 1.5 Mini scores ARC-C: 85.7%, GSM8k: 75.8%, MMLU: 69.7%, TruthfulQA: 54.1%, Arena Hard: 46.1%. o1-pro scores AIME 2024: 86.0%, GPQA: 79.0%.

What are the context window sizes for Jamba 1.5 Mini and o1-pro?

Jamba 1.5 Mini supports 256K tokens and o1-pro 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 Mini and o1-pro?

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 Mini and o1-pro?

Jamba 1.5 Mini is developed by AI21 Labs and o1-pro is developed by OpenAI.