Model Comparison

Claude Fable 5 vs Gemma 4 E4BWhich is better in 2026?

Comparing Claude Fable 5 and Gemma 4 E4B across benchmarks, pricing, and capabilities.

Verdict: Claude Fable 5 vs Gemma 4 E4B — which is better?

Claude Fable 5 (by Anthropic) and Gemma 4 E4B (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.

Choose Claude Fable 5 if…

  • you want the most recent training data — it shipped Jun 2026

Choose Gemma 4 E4B if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Fable 5 and Gemma 4 E4Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Fable 5 specifies input context (1,000,000 tokens). Only Claude Fable 5 specifies output context (128,000 tokens).

Anthropic
Claude Fable 5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemma 4 E4B
Input- tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Fable 5 and Gemma 4 E4B support multimodal inputs.

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

Claude Fable 5

Text
Images
Audio
Video

Gemma 4 E4B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5 is licensed under a proprietary license, while Gemma 4 E4B uses Apache 2.0.

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

Claude Fable 5

Proprietary

Closed source

Gemma 4 E4B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5 was released on 2026-06-09, while Gemma 4 E4B was released on 2026-04-02.

Claude Fable 5 is 2 months newer than Gemma 4 E4B.

Claude Fable 5

Jun 9, 2026

1 months ago

2mo newer
Gemma 4 E4B

Apr 2, 2026

3 months ago

Knowledge Cutoff

When training data ends

Gemma 4 E4B has a documented knowledge cutoff of 2025-01-01, while Claude Fable 5's cutoff date is not specified.

We can confirm Gemma 4 E4B's training data extends to 2025-01-01, but cannot make a direct comparison without Claude Fable 5's cutoff date.

Claude Fable 5

—

Gemma 4 E4B

Jan 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Google
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Fable 5 and Gemma 4 E4B side-by-side, then vote on the output you prefer.

Claude Fable 5
✓ Preferred
Gemma 4 E4B
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Fable 5
Google
Gemma 4 E4B

FAQ

Common questions about Claude Fable 5 vs Gemma 4 E4B.

Which is better, Claude Fable 5 or Gemma 4 E4B?

Claude Fable 5 (Anthropic) and Gemma 4 E4B (Google) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Fable 5 compare to Gemma 4 E4B in benchmarks?

Claude Fable 5 scores SWE-Bench Verified: 95.0%, FrontierSWE: 90.0%, OSWorld-Verified: 85.0%, Terminal-Bench 2.1: 84.3%, SWE-Bench Pro: 80.0%. Gemma 4 E4B scores MMMLU: 76.6%, MMLU-Pro: 69.4%, MathVision: 59.5%, GPQA: 58.6%, t2-bench: 57.5%.

What are the context window sizes for Claude Fable 5 and Gemma 4 E4B?

Claude Fable 5 supports 1.0M tokens and Gemma 4 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 Fable 5 and Gemma 4 E4B?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5 and Gemma 4 E4B?

Claude Fable 5 is developed by Anthropic and Gemma 4 E4B is developed by Google.

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