Model Comparison

Claude Sonnet 4.5 vs IBM Granite 4.0 Tiny PreviewWhich is better in 2026?

Comparing Claude Sonnet 4.5 and IBM Granite 4.0 Tiny Preview across benchmarks, pricing, and capabilities.

Verdict: Claude Sonnet 4.5 vs IBM Granite 4.0 Tiny Preview — which is better?

Claude Sonnet 4.5 (by Anthropic) and IBM Granite 4.0 Tiny Preview (by IBM) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose Claude Sonnet 4.5 if…

  • you want the most recent training data — it shipped Sep 2025

Choose IBM Granite 4.0 Tiny Preview if…

  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Sonnet 4.5 and IBM Granite 4.0 Tiny Previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Sonnet 4.5 specifies input context (200,000 tokens). Only Claude Sonnet 4.5 specifies output context (64,000 tokens).

Anthropic
Claude Sonnet 4.5
Input200,000 tokens
Output64,000 tokens
IBM
IBM Granite 4.0 Tiny Preview
Input- tokens
Output- tokens
Wed Jun 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 4.5 supports multimodal inputs, whereas IBM Granite 4.0 Tiny Preview does not.

Claude Sonnet 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Sonnet 4.5

Text
Images
Audio
Video

IBM Granite 4.0 Tiny Preview

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.5 is licensed under a proprietary license, while IBM Granite 4.0 Tiny Preview uses Apache 2.0.

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

Claude Sonnet 4.5

Proprietary

Closed source

IBM Granite 4.0 Tiny Preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while IBM Granite 4.0 Tiny Preview was released on 2025-05-02.

Claude Sonnet 4.5 is 5 months newer than IBM Granite 4.0 Tiny Preview.

Claude Sonnet 4.5

Sep 29, 2025

8 months ago

5mo newer
IBM Granite 4.0 Tiny Preview

May 2, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while IBM Granite 4.0 Tiny Preview's cutoff date is not specified.

We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without IBM Granite 4.0 Tiny Preview's cutoff date.

Claude Sonnet 4.5

Jan 2025

IBM Granite 4.0 Tiny Preview

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Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
IBM
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.5
IBM
IBM Granite 4.0 Tiny Preview

FAQ

Common questions about Claude Sonnet 4.5 vs IBM Granite 4.0 Tiny Preview.

Which is better, Claude Sonnet 4.5 or IBM Granite 4.0 Tiny Preview?

Claude Sonnet 4.5 (Anthropic) and IBM Granite 4.0 Tiny Preview (IBM) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Sonnet 4.5 compare to IBM Granite 4.0 Tiny Preview in benchmarks?

Claude Sonnet 4.5 scores MMMLU: 89.1%, AIME 2025: 87.0%, TAU-bench Retail: 86.2%, GPQA: 83.4%, MMMUval: 77.8%. IBM Granite 4.0 Tiny Preview scores AttaQ: 86.1%, HumanEval: 82.4%, HumanEval+: 78.3%, GSM8k: 70.1%, IFEval: 63.0%.

What are the context window sizes for Claude Sonnet 4.5 and IBM Granite 4.0 Tiny Preview?

Claude Sonnet 4.5 supports 200K tokens and IBM Granite 4.0 Tiny Preview 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 Sonnet 4.5 and IBM Granite 4.0 Tiny Preview?

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

Who makes Claude Sonnet 4.5 and IBM Granite 4.0 Tiny Preview?

Claude Sonnet 4.5 is developed by Anthropic and IBM Granite 4.0 Tiny Preview is developed by IBM.

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