Model Comparison

Gemma 2 27B vs DeepSeek-V2.5Which is better in 2026?

DeepSeek-V2.5 significantly outperforms across most benchmarks.

Verdict: Gemma 2 27B vs DeepSeek-V2.5 — which is better?

Gemma 2 27B (by Google) and DeepSeek-V2.5 (by DeepSeek) 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.

Gemma 2 27B outperforms in 0 benchmarks, while DeepSeek-V2.5 is better at 4 benchmarks (GSM8k, HumanEval, MATH, MMLU). DeepSeek-V2.5 significantly outperforms across most benchmarks.

Choose Gemma 2 27B if…

  • you want the most recent training data — it shipped Jun 2024

Choose DeepSeek-V2.5 if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemma 2 27B outperforms in 0 benchmarks, while DeepSeek-V2.5 is better at 4 benchmarks (GSM8k, HumanEval, MATH, MMLU).

DeepSeek-V2.5 significantly outperforms across most benchmarks.

Thu Jul 02 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

208.8B diff

DeepSeek-V2.5 has 208.8B more parameters than Gemma 2 27B, making it 767.6% larger.

Google
Gemma 2 27B
27.2Bparameters
DeepSeek
DeepSeek-V2.5
236.0Bparameters
27.2B
Gemma 2 27B
236.0B
DeepSeek-V2.5

Context Window

Maximum input and output token capacity

Only DeepSeek-V2.5 specifies input context (8,192 tokens). Only DeepSeek-V2.5 specifies output context (8,192 tokens).

Google
Gemma 2 27B
Input- tokens
Output- tokens
DeepSeek
DeepSeek-V2.5
Input8,192 tokens
Output8,192 tokens
Thu Jul 02 2026 • llm-stats.com

License

Usage and distribution terms

Gemma 2 27B is licensed under Gemma, while DeepSeek-V2.5 uses deepseek.

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

Gemma 2 27B

Gemma

Open weights

DeepSeek-V2.5

deepseek

Open weights

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while DeepSeek-V2.5 was released on 2024-05-08.

Gemma 2 27B is 2 months newer than DeepSeek-V2.5.

Gemma 2 27B

Jun 27, 2024

2.0 years ago

1mo newer
DeepSeek-V2.5

May 8, 2024

2.1 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→

Key Takeaways

Google

No standout differentiators in the data we have for this pair.

DeepSeek
Larger context window (8,192 tokens)
Higher GSM8k score (95.1% vs 74.0%)
Higher HumanEval score (89.0% vs 51.8%)
Higher MATH score (74.7% vs 42.3%)
Higher MMLU score (80.4% vs 75.2%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 2 27B and DeepSeek-V2.5 side-by-side, then vote on the output you prefer.

Gemma 2 27B
✓ Preferred
DeepSeek-V2.5
Open in Playground
AI Model Comparison Table
Feature
Google
Gemma 2 27B
DeepSeek
DeepSeek-V2.5

FAQ

Common questions about Gemma 2 27B vs DeepSeek-V2.5.

Which is better, Gemma 2 27B or DeepSeek-V2.5?

DeepSeek-V2.5 significantly outperforms across most benchmarks. Gemma 2 27B is made by Google and DeepSeek-V2.5 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 2 27B compare to DeepSeek-V2.5 in benchmarks?

Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. DeepSeek-V2.5 scores GSM8k: 95.1%, MT-Bench: 90.2%, HumanEval: 89.0%, BBH: 84.3%, AlignBench: 80.4%.

What are the context window sizes for Gemma 2 27B and DeepSeek-V2.5?

Gemma 2 27B supports an unknown number of tokens and DeepSeek-V2.5 supports 8K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 2 27B and DeepSeek-V2.5?

Key differences include licensing (Gemma vs deepseek). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 2 27B and DeepSeek-V2.5?

Gemma 2 27B is developed by Google and DeepSeek-V2.5 is developed by DeepSeek.

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