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Gemini 2.5 Pro Preview 06-05 vs IBM Granite 4.2 30B

Gemini 2.5 Pro Preview 06-05 leads the LLM Stats Score 30.0 to 24.0.

Google · IBM · Updated for 2026

Which is better?

Gemini 2.5 Pro Preview 06-05 leads the overall LLM Stats Score 30.0 to 24.0, ranking #111 overall.

In the 3 individual benchmarks reported for both models, Gemini 2.5 Pro Preview 06-05 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 Preview 06-05

  • overall performance matters — it scores 30.0 and ranks #111 on LLM Stats
  • 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.

Core performance indexes
30.0
#111
24.0
#156
28.4
#116
21.8
#165
17.0
#112
9.6
#159
Cost, coverage & limits
Benchmark wins
2 of 3
1 of 3
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 2.5 Pro Preview 06-05
IBM Granite 4.2 30B
22.2#132
25.6#103
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 2.5 Pro Preview 06-05 · 18 for IBM Granite 4.2 30B

3 shared

Gemini 2.5 Pro Preview 06-05 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 Preview 06-05 shows notably better performance in the majority of benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Gemini 2.5 Pro Preview 06-05 specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro Preview 06-05 specifies output context (65,535 tokens).

Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
IBM
IBM Granite 4.2 30B
Input- tokens
Output- tokens
Mon Aug 31 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 2.5 Pro Preview 06-05 supports multimodal inputs, whereas IBM Granite 4.2 30B does not.

Gemini 2.5 Pro Preview 06-05 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Pro Preview 06-05

Text
Images
Audio
Video

IBM Granite 4.2 30B

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.5 Pro Preview 06-05 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.

Gemini 2.5 Pro Preview 06-05

Proprietary

Closed source

IBM Granite 4.2 30B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, 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 Preview 06-05.

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

1.2 years ago

IBM Granite 4.2 30B

Aug 25, 2026

6 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro Preview 06-05 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 Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without IBM Granite 4.2 30B's cutoff date.

Gemini 2.5 Pro Preview 06-05

Jan 2025

IBM Granite 4.2 30B

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 2.5 Pro Preview 06-05 and IBM Granite 4.2 30B side-by-side, then vote on the output you prefer.

Gemini 2.5 Pro Preview 06-05
✓ Preferred
IBM Granite 4.2 30B
Open in Playground

FAQ

Common questions about Gemini 2.5 Pro Preview 06-05 vs IBM Granite 4.2 30B.

Which is better, Gemini 2.5 Pro Preview 06-05 or IBM Granite 4.2 30B?

Gemini 2.5 Pro Preview 06-05 leads the LLM Stats Score 30.0 to 24.0. Gemini 2.5 Pro Preview 06-05 is made by Google and IBM Granite 4.2 30B is made by IBM. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 2.5 Pro Preview 06-05 compare to IBM Granite 4.2 30B in benchmarks?

Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%. IBM Granite 4.2 30B scores RULER 64k: 90.0%, AIME 2025: 89.2%, HMMT25: 89.2%, RULER 128k: 81.4%, MMLU-Pro: 77.6%.

What are the context window sizes for Gemini 2.5 Pro Preview 06-05 and IBM Granite 4.2 30B?

Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens and IBM Granite 4.2 30B 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 Gemini 2.5 Pro Preview 06-05 and IBM Granite 4.2 30B?

Key differences include LLM Stats Score (30.0 vs 24.0), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.5 Pro Preview 06-05 and IBM Granite 4.2 30B?

Gemini 2.5 Pro Preview 06-05 is developed by Google and IBM Granite 4.2 30B is developed by IBM.