Gemini 2.5 Pro vs IBM Granite 4.2 30B
Gemini 2.5 Pro and IBM Granite 4.2 30B are closely matched at 27.9 and 24.0 on the LLM Stats Score.
Google · IBM · Updated for 2026
Which is better?
Gemini 2.5 Pro and IBM Granite 4.2 30B are closely matched on the overall LLM Stats Score at 27.9 and 24.0.
In the 3 individual benchmarks reported for both models, Gemini 2.5 Pro wins 2; 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 Gemini 2.5 Pro
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 3 exact shared results
Choose IBM Granite 4.2 30B
- you want the most recent training data — it shipped Aug 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
16 reported for Gemini 2.5 Pro · 18 for IBM Granite 4.2 30B
Gemini 2.5 Pro outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while IBM Granite 4.2 30B is better at 1 benchmark (AIME 2025).
Gemini 2.5 Pro shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Gemini 2.5 Pro specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro specifies output context (65,536 tokens).
Input capabilities
Documented input modalities across available providers
Gemini 2.5 Pro supports multimodal inputs, whereas IBM Granite 4.2 30B does not.
Gemini 2.5 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 2.5 Pro
IBM Granite 4.2 30B
License
Usage and distribution terms
Gemini 2.5 Pro is licensed under a proprietary license, while IBM Granite 4.2 30B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Gemini 2.5 Pro was released on 2025-05-20, while IBM Granite 4.2 30B was released on 2026-08-25.
IBM Granite 4.2 30B is 15 months newer than Gemini 2.5 Pro.
May 20, 2025
1.3 years ago
Aug 25, 2026
5 days ago
1.3yr newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro has a documented knowledge cutoff of 2025-01-31, while IBM Granite 4.2 30B's cutoff date is not specified.
We can confirm Gemini 2.5 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without IBM Granite 4.2 30B's cutoff date.
Jan 2025
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Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 2.5 Pro and IBM Granite 4.2 30B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 2.5 Pro vs IBM Granite 4.2 30B.