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Claude 3 Sonnet vs Gemma 2 9B

Claude 3 Sonnet leads the LLM Stats Score 1.7 to -4.9.

Anthropic · Google · Updated for 2026

Which is better?

Claude 3 Sonnet leads the overall LLM Stats Score 1.7 to -4.9, ranking #325 overall.

In the 6 individual benchmarks reported for both models, Claude 3 Sonnet wins 6; this is a narrower head-to-head signal than the composite indexes.

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

Choose Claude 3 Sonnet

  • overall performance matters — it scores 1.7 and ranks #325 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 6 of 6 exact shared results

Choose Gemma 2 9B

  • you want the most recent training data — it shipped Jun 2024
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3 Sonnet
Anthropic
Gemma 2 9B
Google
Core performance indexes
LLM Stats Score
1.7
#325
-4.9
#360
Reasoning
1.6
#316
-5.2
#353
Coding
-1.4
#253
-11.0
#271
Cost, coverage & limits
Benchmark wins
6 of 6
0 of 6
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude 3 Sonnet
Gemma 2 9B
Math
7.4#265
-3.8#315
Legal
3.1#170
-0.1#185
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3 Sonnet · 16 for Gemma 2 9B

6 shared

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 Sep 27 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 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 Sep 27 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

2.6 years ago

Gemma 2 9B

Jun 27, 2024

2.3 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→

Judge for yourself.

Run your own prompts against Claude 3 Sonnet and Gemma 2 9B side-by-side, then vote on the output you prefer.

Claude 3 Sonnet
✓ Preferred
Gemma 2 9B
Open in Playground

FAQ

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

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

Claude 3 Sonnet leads the LLM Stats Score 1.7 to -4.9. 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 capability indexes, individual benchmarks, pricing, and limits 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 LLM Stats Score (1.7 vs -4.9), 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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