Model Comparison

Claude 3 Sonnet vs Gemma 2 9BWhich is better in 2026?

Claude 3 Sonnet significantly outperforms across most benchmarks.

Verdict: Claude 3 Sonnet vs Gemma 2 9B — which is better?

Claude 3 Sonnet (by Anthropic) and Gemma 2 9B (by Google) 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.

Claude 3 Sonnet outperforms in 6 benchmarks (ARC-C, GSM8k, HellaSwag, HumanEval, MATH, MMLU), while Gemma 2 9B is better at 0 benchmarks. Claude 3 Sonnet significantly outperforms across most benchmarks.

Choose Claude 3 Sonnet if…

  • you want the strongest raw capability — it leads on 6 of 6 shared benchmarks

Choose Gemma 2 9B if…

  • you want the most recent training data — it shipped Jun 2024
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude 3 Sonnet outperforms in 6 benchmarks (ARC-C, GSM8k, HellaSwag, HumanEval, MATH, MMLU), while Gemma 2 9B is better at 0 benchmarks.

Claude 3 Sonnet significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3 Sonnet specifies input context (200,000 tokens). Only Claude 3 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
Google
Gemma 2 9B
Input- tokens
Output- tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Sonnet supports multimodal inputs, whereas Gemma 2 9B does not.

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

Claude 3 Sonnet

Text
Images
Audio
Video

Gemma 2 9B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Sonnet is licensed under a proprietary license, while Gemma 2 9B uses Gemma.

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

Claude 3 Sonnet

Proprietary

Closed source

Gemma 2 9B

Gemma

Open weights

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Gemma 2 9B was released on 2024-06-27.

Gemma 2 9B is 4 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.3 years ago

Gemma 2 9B

Jun 27, 2024

1.9 years ago

3mo 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→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher ARC-C score (93.2% vs 68.4%)
Higher GSM8k score (92.3% vs 68.6%)
Higher HellaSwag score (89.0% vs 81.9%)
Higher HumanEval score (73.0% vs 40.2%)
Higher MATH score (43.1% vs 36.6%)
Higher MMLU score (79.0% vs 71.3%)
Google
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
Google
Gemma 2 9B

FAQ

Common questions about Claude 3 Sonnet vs Gemma 2 9B.

Which is better, Claude 3 Sonnet or Gemma 2 9B?

Claude 3 Sonnet significantly outperforms across most benchmarks. Claude 3 Sonnet is made by Anthropic and Gemma 2 9B is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3 Sonnet compare to Gemma 2 9B in benchmarks?

Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. Gemma 2 9B scores ARC-E: 88.0%, BoolQ: 84.2%, HellaSwag: 81.9%, PIQA: 81.7%, Winogrande: 80.6%.

What are the context window sizes for Claude 3 Sonnet and Gemma 2 9B?

Claude 3 Sonnet supports 200K tokens and Gemma 2 9B 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 Sonnet and Gemma 2 9B?

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

Who makes Claude 3 Sonnet and Gemma 2 9B?

Claude 3 Sonnet is developed by Anthropic and Gemma 2 9B is developed by Google.

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