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Claude 3 Opus vs IBM Granite 4.2 3B

IBM Granite 4.2 3B leads the LLM Stats Score 15.6 to 10.1.

Anthropic · IBM · Updated for 2026

Which is better?

IBM Granite 4.2 3B leads the overall LLM Stats Score 15.6 to 10.1, ranking #213 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 Claude 3 Opus

  • you want predictable pricing at $15.00/M input and $75.00/M output

Choose IBM Granite 4.2 3B

  • overall performance matters — it scores 15.6 and ranks #213 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

At a glance

The differences that matter most.

Claude 3 Opus
Anthropic
IBM Granite 4.2 3B
IBM
Core performance indexes
LLM Stats Score
10.1
#251
15.6
#213
Reasoning
10.0
#245
12.0
#234
Coding
5.2
#191
-6.7
#247
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$15.00 / M
— / M
Output price
$75.00 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Opus
IBM Granite 4.2 3B
Math
16.4#197
13.7#216
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3 Opus · 13 for IBM Granite 4.2 3B

2 shared

Claude 3 Opus outperforms in 1 benchmarks (MMLU-Pro), while IBM Granite 4.2 3B 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 Claude 3 Opus specifies input context (200,000 tokens). Only Claude 3 Opus specifies output context (200,000 tokens).

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
IBM
IBM Granite 4.2 3B
Input- tokens
Output- tokens
Mon Aug 31 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude 3 Opus supports multimodal inputs, whereas IBM Granite 4.2 3B does not.

Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Opus

Text
Images
Audio
Video

IBM Granite 4.2 3B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Opus is licensed under a proprietary license, while IBM Granite 4.2 3B uses Apache 2.0.

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

Claude 3 Opus

Proprietary

Closed source

IBM Granite 4.2 3B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while IBM Granite 4.2 3B was released on 2026-08-25.

IBM Granite 4.2 3B is 30 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.5 years ago

IBM Granite 4.2 3B

Aug 25, 2026

5 days ago

2.5yr newer

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 Claude 3 Opus and IBM Granite 4.2 3B side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
IBM Granite 4.2 3B
Open in Playground

FAQ

Common questions about Claude 3 Opus vs IBM Granite 4.2 3B.

Which is better, Claude 3 Opus or IBM Granite 4.2 3B?

IBM Granite 4.2 3B leads the LLM Stats Score 15.6 to 10.1. Claude 3 Opus is made by Anthropic and IBM Granite 4.2 3B is made by IBM. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3 Opus compare to IBM Granite 4.2 3B in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. IBM Granite 4.2 3B scores AIME 2025: 78.3%, IFBench: 74.3%, LiveCodeBench v6: 69.7%, MMLU-Pro: 67.8%, RULER 64k: 67.5%.

What are the context window sizes for Claude 3 Opus and IBM Granite 4.2 3B?

Claude 3 Opus supports 200K tokens and IBM Granite 4.2 3B 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 Claude 3 Opus and IBM Granite 4.2 3B?

Key differences include LLM Stats Score (10.1 vs 15.6), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and IBM Granite 4.2 3B?

Claude 3 Opus is developed by Anthropic and IBM Granite 4.2 3B is developed by IBM.

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