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Claude Opus 5 vs Gemma 2 27B

Claude Opus 5 leads the LLM Stats Score 54.9 to -0.7.

Anthropic · Google · Updated for 2026

Which is better?

Claude Opus 5 leads the overall LLM Stats Score 54.9 to -0.7, ranking #5 overall.

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

Choose Claude Opus 5

  • overall performance matters — it scores 54.9 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Jul 2026

Choose Gemma 2 27B

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

At a glance

The differences that matter most.

Claude Opus 5
Anthropic
Gemma 2 27B
Google
Core performance indexes
LLM Stats Score
54.9
#5
-0.7
#329
Reasoning
53.9
#4
-1.1
#325
Coding
41.9
#9
-7.9
#262
Cost, coverage & limits
Benchmark wins
—
—
Input price
$5.00 / M
— / M
Output price
$25.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

13 reported for Claude Opus 5 · 16 for Gemma 2 27B

No common benchmarks found

Claude Opus 5 and Gemma 2 27Bdon'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 Opus 5 specifies input context (1,000,000 tokens). Only Claude Opus 5 specifies output context (128,000 tokens).

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemma 2 27B
Input- tokens
Output- tokens
Mon Sep 14 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5 supports multimodal inputs, whereas Gemma 2 27B does not.

Claude Opus 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5

Text
Images
Audio
Video

Gemma 2 27B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5 is licensed under a proprietary license, while Gemma 2 27B uses Gemma.

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

Claude Opus 5

Proprietary

Closed source

Gemma 2 27B

Gemma

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while Gemma 2 27B was released on 2024-06-27.

Claude Opus 5 is 25 months newer than Gemma 2 27B.

Claude Opus 5

Jul 24, 2026

1 months ago

2.1yr newer
Gemma 2 27B

Jun 27, 2024

2.2 years ago

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 Opus 5 and Gemma 2 27B side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
Gemma 2 27B
Open in Playground

FAQ

Common questions about Claude Opus 5 vs Gemma 2 27B.

Which is better, Claude Opus 5 or Gemma 2 27B?

Claude Opus 5 leads the LLM Stats Score 54.9 to -0.7. Claude Opus 5 is made by Anthropic and Gemma 2 27B 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 compare to Gemma 2 27B in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%.

What are the context window sizes for Claude Opus 5 and Gemma 2 27B?

Claude Opus 5 supports 1.0M tokens and Gemma 2 27B 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 Opus 5 and Gemma 2 27B?

Key differences include LLM Stats Score (54.9 vs -0.7), multimodal support (yes vs no), licensing (Proprietary vs Gemma). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and Gemma 2 27B?

Claude Opus 5 is developed by Anthropic and Gemma 2 27B is developed by Google.

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