Gemini 1.5 Flash vs IBM Granite 4.2 30B
IBM Granite 4.2 30B leads the LLM Stats Score 24.0 to 6.2.
Google · IBM · Updated for 2026
Which is better?
IBM Granite 4.2 30B leads the overall LLM Stats Score 24.0 to 6.2, ranking #156 overall.
In the 2 individual benchmarks reported for both models, IBM Granite 4.2 30B 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 1.5 Flash
- you want predictable pricing at $0.15/M input and $0.60/M output
Choose IBM Granite 4.2 30B
- overall performance matters — it scores 24.0 and ranks #156 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- 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
22 reported for Gemini 1.5 Flash · 18 for IBM Granite 4.2 30B
Gemini 1.5 Flash outperforms in 0 benchmarks, while IBM Granite 4.2 30B is better at 2 benchmarks (GPQA, MMLU-Pro).
IBM Granite 4.2 30B significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Gemini 1.5 Flash specifies input context (1,048,576 tokens). Only Gemini 1.5 Flash specifies output context (8,192 tokens).
Input capabilities
Documented input modalities across available providers
Gemini 1.5 Flash supports multimodal inputs, whereas IBM Granite 4.2 30B does not.
Gemini 1.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 1.5 Flash
IBM Granite 4.2 30B
License
Usage and distribution terms
Gemini 1.5 Flash 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 1.5 Flash was released on 2024-05-01, while IBM Granite 4.2 30B was released on 2026-08-25.
IBM Granite 4.2 30B is 28 months newer than Gemini 1.5 Flash.
May 1, 2024
2.3 years ago
Aug 25, 2026
5 days ago
2.3yr newerKnowledge Cutoff
When training data ends
Gemini 1.5 Flash has a documented knowledge cutoff of 2023-11-01, while IBM Granite 4.2 30B's cutoff date is not specified.
We can confirm Gemini 1.5 Flash's training data extends to 2023-11-01, but cannot make a direct comparison without IBM Granite 4.2 30B's cutoff date.
Nov 2023
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Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 1.5 Flash and IBM Granite 4.2 30B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 1.5 Flash vs IBM Granite 4.2 30B.