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Claude 3.5 Sonnet vs Gemma 4 12B

Claude 3.5 Sonnet and Gemma 4 12B are closely matched at 19.1 and 22.0 on the LLM Stats Score.

Anthropic · Google · Updated for 2026

Which is better?

Claude 3.5 Sonnet and Gemma 4 12B are closely matched on the overall LLM Stats Score at 19.1 and 22.0.

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 3.5 Sonnet

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Gemma 4 12B

  • you want the most recent training data — it shipped May 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3.5 Sonnet
Anthropic
Gemma 4 12B
Google
Core performance indexes
LLM Stats Score
19.1
#206
22.0
#179
Reasoning
20.1
#188
23.0
#166
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
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

3 shared
Index
Claude 3.5 Sonnet
Gemma 4 12B
Math
23.2#132
18.4#181
Vision
14.4#93
10.9#113
Multimodal
17.6#76
17.0#78
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

19 reported for Claude 3.5 Sonnet · 15 for Gemma 4 12B

2 shared

Claude 3.5 Sonnet outperforms in 1 benchmarks (MMLU-Pro), while Gemma 4 12B is better at 1 benchmark (GPQA).

Both models are evenly matched across the benchmarks.

Fri Sep 11 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 3.5 Sonnet specifies input context (200,000 tokens). Only Claude 3.5 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Google
Gemma 4 12B
Input- tokens
Output- tokens
Fri Sep 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3.5 Sonnet and Gemma 4 12B support multimodal inputs.

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

Claude 3.5 Sonnet

Text
Images
Audio
Video

Gemma 4 12B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3.5 Sonnet is licensed under a proprietary license, while Gemma 4 12B uses Apache 2.0.

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

Claude 3.5 Sonnet

Proprietary

Closed source

Gemma 4 12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-10-22, while Gemma 4 12B was released on 2026-05-23.

Gemma 4 12B is 19 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Oct 22, 2024

1.9 years ago

Gemma 4 12B

May 23, 2026

3 months ago

1.6yr newer

Knowledge Cutoff

When training data ends

Gemma 4 12B has a documented knowledge cutoff of 2025-01-01, while Claude 3.5 Sonnet's cutoff date is not specified.

We can confirm Gemma 4 12B's training data extends to 2025-01-01, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

—

Gemma 4 12B

Jan 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3.5 Sonnet and Gemma 4 12B side-by-side, then vote on the output you prefer.

Claude 3.5 Sonnet
✓ Preferred
Gemma 4 12B
Open in Playground

FAQ

Common questions about Claude 3.5 Sonnet vs Gemma 4 12B.

Which is better, Claude 3.5 Sonnet or Gemma 4 12B?

Claude 3.5 Sonnet and Gemma 4 12B are closely matched on the LLM Stats Score at 19.1 and 22.0. Claude 3.5 Sonnet is made by Anthropic and Gemma 4 12B 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 3.5 Sonnet compare to Gemma 4 12B in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, DocVQA: 95.2%, AI2D: 94.7%, HumanEval: 93.7%, BIG-Bench Hard: 93.1%. Gemma 4 12B scores FLEURS: 93.1%, MMMLU: 83.4%, MathVision: 79.7%, GPQA: 78.8%, AIME 2026: 77.5%.

What are the context window sizes for Claude 3.5 Sonnet and Gemma 4 12B?

Claude 3.5 Sonnet supports 200K tokens and Gemma 4 12B 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 3.5 Sonnet and Gemma 4 12B?

Key differences include LLM Stats Score (19.1 vs 22.0), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Sonnet and Gemma 4 12B?

Claude 3.5 Sonnet is developed by Anthropic and Gemma 4 12B is developed by Google.

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