Model Comparison

Claude 3 Opus vs Granite 3.3 8B Base

Claude 3 Opus significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Claude 3 Opus outperforms in 6 benchmarks (ARC-C, BIG-Bench Hard, DROP, GSM8k, HellaSwag, MMLU), while Granite 3.3 8B Base is better at 1 benchmark (HumanEval).

Claude 3 Opus significantly outperforms across most benchmarks.

Wed Apr 29 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Wed Apr 29 2026 • llm-stats.com
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
IBM
Granite 3.3 8B Base
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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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
Granite 3.3 8B Base
Input- tokens
Output- tokens
Wed Apr 29 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Opus and Granite 3.3 8B Base support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Opus

Text
Images
Audio
Video

Granite 3.3 8B Base

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Opus is licensed under a proprietary license, while Granite 3.3 8B Base 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

Granite 3.3 8B Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Granite 3.3 8B Base was released on 2025-04-16.

Granite 3.3 8B Base is 14 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.2 years ago

Granite 3.3 8B Base

Apr 16, 2025

1.0 years ago

1.1yr newer

Knowledge Cutoff

When training data ends

Granite 3.3 8B Base has a documented knowledge cutoff of 2024-04-01, while Claude 3 Opus's cutoff date is not specified.

We can confirm Granite 3.3 8B Base's training data extends to 2024-04-01, but cannot make a direct comparison without Claude 3 Opus's cutoff date.

Claude 3 Opus

—

Granite 3.3 8B Base

Apr 2024

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher ARC-C score (96.4% vs 50.8%)
Higher BIG-Bench Hard score (86.8% vs 69.1%)
Higher DROP score (83.1% vs 36.1%)
Higher GSM8k score (95.0% vs 59.0%)
Higher HellaSwag score (95.4% vs 80.1%)
Higher MMLU score (86.8% vs 63.9%)
IBM
Has open weights
Higher HumanEval score (89.7% vs 84.9%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Opus
IBM
Granite 3.3 8B Base

FAQ

Common questions about Claude 3 Opus vs Granite 3.3 8B Base

Claude 3 Opus significantly outperforms across most benchmarks. Claude 3 Opus is made by Anthropic and Granite 3.3 8B Base is made by IBM. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Granite 3.3 8B Base scores HumanEval: 89.7%, AttaQ: 88.5%, HumanEval+: 86.1%, AIME 2024: 81.2%, HellaSwag: 80.1%.
Claude 3 Opus supports 200K tokens and Granite 3.3 8B Base supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
Claude 3 Opus is developed by Anthropic and Granite 3.3 8B Base is developed by IBM.