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Claude Mythos 5.1 vs Gemma 3n E4B

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to -6.1.

Anthropic · Google · Updated for 2026

Which is better?

Claude Mythos 5.1 leads the overall LLM Stats Score 45.1 to -6.1, ranking #31 overall.

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

Choose Claude Mythos 5.1

  • overall performance matters — it scores 45.1 and ranks #31 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Gemma 3n E4B

  • you are already invested in the Google ecosystem

At a glance

The differences that matter most.

Claude Mythos 5.1
Anthropic
Gemma 3n E4B
Google
Core performance indexes
LLM Stats Score
45.1
#31
-6.1
#359
Reasoning
44.4
#34
-6.4
#351
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
— / M
Output price
$50.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

1 reported for Claude Mythos 5.1 · 11 for Gemma 3n E4B

No common benchmarks found

Claude Mythos 5.1 and Gemma 3n E4Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Mythos 5.1 specifies input context (1,000,000 tokens). Only Claude Mythos 5.1 specifies output context (128,000 tokens).

Anthropic
Claude Mythos 5.1
Input1,000,000 tokens
Output128,000 tokens
Google
Gemma 3n E4B
Input- tokens
Output- tokens
Tue Sep 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.1 and Gemma 3n E4B support multimodal inputs.

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

Claude Mythos 5.1

Text
Images
Audio
Video

Gemma 3n E4B

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Mythos 5.1

Proprietary

Closed source

Gemma 3n E4B

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.1 was released on 2026-09-01, while Gemma 3n E4B was released on 2025-06-26.

Claude Mythos 5.1 is 14 months newer than Gemma 3n E4B.

Claude Mythos 5.1

Sep 1, 2026

1 weeks ago

1.2yr newer
Gemma 3n E4B

Jun 26, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Gemma 3n E4B has a documented knowledge cutoff of 2024-06-01, while Claude Mythos 5.1's cutoff date is not specified.

We can confirm Gemma 3n E4B's training data extends to 2024-06-01, but cannot make a direct comparison without Claude Mythos 5.1's cutoff date.

Claude Mythos 5.1

—

Gemma 3n E4B

Jun 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Mythos 5.1 and Gemma 3n E4B side-by-side, then vote on the output you prefer.

Claude Mythos 5.1
✓ Preferred
Gemma 3n E4B
Open in Playground

FAQ

Common questions about Claude Mythos 5.1 vs Gemma 3n E4B.

Which is better, Claude Mythos 5.1 or Gemma 3n E4B?

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to -6.1. Claude Mythos 5.1 is made by Anthropic and Gemma 3n E4B 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 Mythos 5.1 compare to Gemma 3n E4B in benchmarks?

Claude Mythos 5.1 scores Terminal-Bench 4.0: 60.9%. Gemma 3n E4B scores ARC-E: 81.6%, BoolQ: 81.6%, PIQA: 81.0%, HellaSwag: 78.6%, Winogrande: 71.7%.

What are the context window sizes for Claude Mythos 5.1 and Gemma 3n E4B?

Claude Mythos 5.1 supports 1.0M tokens and Gemma 3n E4B 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 Mythos 5.1 and Gemma 3n E4B?

Key differences include LLM Stats Score (45.1 vs -6.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.1 and Gemma 3n E4B?

Claude Mythos 5.1 is developed by Anthropic and Gemma 3n E4B is developed by Google.

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