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Claude Opus 5.5 vs Gemma 4 E4B

Claude Opus 5.5 leads the LLM Stats Score 60.3 to 13.8. Gemma 4 E4B is 200.0x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Claude Opus 5.5 leads the overall LLM Stats Score 60.3 to 13.8, ranking #1 overall.

On price, Gemma 4 E4B is roughly 200.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 5.5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude Opus 5.5

  • overall performance matters — it scores 60.3 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Gemma 4 E4B

  • cost matters — it's about 200.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Opus 5.5
Anthropic
Gemma 4 E4B
Google
Core performance indexes
LLM Stats Score
60.3
#1
13.8
#250
Reasoning
58.4
#1
13.6
#242
Agents
45.7
#2
1.8
#174
Cost, coverage & limits
Benchmark wins
—
—
Input price
$4.00 / M
$0.02 / M
Output price
$20.00 / M
$0.10 / M
Context window
1,000,000
131,072

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Opus 5.5
Gemma 4 E4B
Math
42.7#4
11.9#238
Vision
40.5#1
3.8#167
Multimodal
40.2#1
6.2#140
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Claude Opus 5.5 · 11 for Gemma 4 E4B

No common benchmarks found

Claude Opus 5.5 and Gemma 4 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

Pricing Analysis

Price comparison per million tokens

Gemma 4 E4B costs less

For input processing, Claude Opus 5.5 ($4.00/1M tokens) is 200.0x more expensive than Gemma 4 E4B ($0.02/1M tokens).

For output processing, Claude Opus 5.5 ($20.00/1M tokens) is 200.0x more expensive than Gemma 4 E4B ($0.10/1M tokens).

In conclusion, Claude Opus 5.5 is more expensive than Gemma 4 E4B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Oct 02 2026 • llm-stats.com
Anthropic
Claude Opus 5.5
Input tokens$4.00
Output tokens$20.00
Best providerAnthropic
Google
Gemma 4 E4B
Input tokens$0.02
Output tokens$0.10
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Opus 5.5 accepts 1,000,000 input tokens compared to Gemma 4 E4B's 131,072 tokens. Gemma 4 E4B can generate longer responses up to 131,072 tokens, while Claude Opus 5.5 is limited to 128,000 tokens.

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemma 4 E4B
Input131,072 tokens
Output131,072 tokens
Fri Oct 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 5.5 and Gemma 4 E4B support multimodal inputs.

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

Claude Opus 5.5

Text
Images
Audio
Video

Gemma 4 E4B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5.5 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 Opus 5.5

Proprietary

Closed source

Gemma 4 E4B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while Gemma 4 E4B was released on 2026-04-02.

Claude Opus 5.5 is 6 months newer than Gemma 4 E4B.

Claude Opus 5.5

Sep 22, 2026

1 weeks ago

5mo newer
Gemma 4 E4B

Apr 2, 2026

6 months ago

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a knowledge cutoff of 2026-06-01, while Gemma 4 E4B has a cutoff of 2025-01-01.

Claude Opus 5.5 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemma 4 E4B (2025-01-01).

Claude Opus 5.5

Jun 2026

1.4 yr newer
Gemma 4 E4B

Jan 2025

Provider Availability

Claude Opus 5.5 is available from Anthropic. Gemma 4 E4B is available from DeepInfra.

Claude Opus 5.5

anthropic logo
Anthropic
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M

Gemma 4 E4B

deepinfra logo
Deepinfra
Input Price:Input: $0.02/1MOutput Price:Output: $0.10/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Opus 5.5 and Gemma 4 E4B side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
Gemma 4 E4B
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs Gemma 4 E4B.

Which is better, Claude Opus 5.5 or Gemma 4 E4B?

Claude Opus 5.5 leads the LLM Stats Score 60.3 to 13.8. Claude Opus 5.5 is made by Anthropic and Gemma 4 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 Opus 5.5 compare to Gemma 4 E4B in benchmarks?

Claude Opus 5.5 scores BenchCAD (with Python tool): 96.2%, Global-MMLU: 94.3%, SWE-bench Multilingual: 93.9%, MILU: 93.1%, ArXivMath: 91.2%. Gemma 4 E4B scores MMMLU: 76.6%, MMLU-Pro: 69.4%, MathVision: 59.5%, GPQA: 58.6%, t2-bench: 57.5%.

Is Claude Opus 5.5 cheaper than Gemma 4 E4B?

Gemma 4 E4B is 200.0x cheaper for input tokens. Claude Opus 5.5 costs $4.00/M input and $20.00/M output via anthropic. Gemma 4 E4B costs $0.02/M input and $0.10/M output via deepinfra.

What are the context window sizes for Claude Opus 5.5 and Gemma 4 E4B?

Claude Opus 5.5 supports 1.0M tokens and Gemma 4 E4B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 5.5 and Gemma 4 E4B?

Key differences include LLM Stats Score (60.3 vs 13.8), context window (1.0M vs 131K), input pricing ($4.00 vs $0.02/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5.5 and Gemma 4 E4B?

Claude Opus 5.5 is developed by Anthropic and Gemma 4 E4B is developed by Google.

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