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IBM Granite 4.2 30B vs o1-preview

IBM Granite 4.2 30B leads the LLM Stats Score 24.0 to 16.8.

IBM · OpenAI · Updated for 2026

Which is better?

IBM Granite 4.2 30B leads the overall LLM Stats Score 24.0 to 16.8, ranking #156 overall.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose IBM Granite 4.2 30B

  • overall performance matters — it scores 24.0 and ranks #156 on LLM Stats
  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

Choose o1-preview

  • you want predictable pricing at $15.00/M input and $60.00/M output

At a glance

The differences that matter most.

IBM Granite 4.2 30B
IBM
o1-preview
OpenAI
Core performance indexes
LLM Stats Score
24.0
#156
16.8
#203
Reasoning
21.8
#165
17.1
#197
Coding
9.6
#159
-2.9
#238
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
— / M
$15.00 / M
Output price
— / M
$60.00 / M
Context window
—
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
IBM Granite 4.2 30B
o1-preview
Math
25.6#103
20.4#149
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for IBM Granite 4.2 30B · 8 for o1-preview

2 shared

IBM Granite 4.2 30B outperforms in 1 benchmarks (SWE-Bench Verified), while o1-preview is better at 1 benchmark (GPQA).

Both models are evenly matched across the 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 o1-preview specifies input context (128,000 tokens). Only o1-preview specifies output context (32,768 tokens).

IBM
IBM Granite 4.2 30B
Input- tokens
Output- tokens
OpenAI
o1-preview
Input128,000 tokens
Output32,768 tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

IBM Granite 4.2 30B is licensed under Apache 2.0, while o1-preview uses a proprietary license.

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

IBM Granite 4.2 30B

Apache 2.0

Open weights

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

IBM Granite 4.2 30B was released on 2026-08-25, while o1-preview was released on 2024-09-12.

IBM Granite 4.2 30B is 24 months newer than o1-preview.

IBM Granite 4.2 30B

Aug 25, 2026

5 days ago

2.0yr newer
o1-preview

Sep 12, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against IBM Granite 4.2 30B and o1-preview side-by-side, then vote on the output you prefer.

IBM Granite 4.2 30B
✓ Preferred
o1-preview
Open in Playground

FAQ

Common questions about IBM Granite 4.2 30B vs o1-preview.

Which is better, IBM Granite 4.2 30B or o1-preview?

IBM Granite 4.2 30B leads the LLM Stats Score 24.0 to 16.8. IBM Granite 4.2 30B is made by IBM and o1-preview is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does IBM Granite 4.2 30B compare to o1-preview in benchmarks?

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%. o1-preview scores MGSM: 90.8%, MMLU: 90.8%, MATH: 85.5%, GPQA: 73.3%, LiveBench: 52.3%.

What are the context window sizes for IBM Granite 4.2 30B and o1-preview?

IBM Granite 4.2 30B supports an unknown number of tokens and o1-preview supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between IBM Granite 4.2 30B and o1-preview?

Key differences include LLM Stats Score (24.0 vs 16.8), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes IBM Granite 4.2 30B and o1-preview?

IBM Granite 4.2 30B is developed by IBM and o1-preview is developed by OpenAI.

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