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Gemma 2 27B vs GPT-6.1 Terra

GPT-6.1 Terra leads the LLM Stats Score 47.5 to -1.2.

Google · OpenAI · Updated for 2026

Which is better?

GPT-6.1 Terra leads the overall LLM Stats Score 47.5 to -1.2, ranking #36 overall.

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

Choose Gemma 2 27B

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

Choose GPT-6.1 Terra

  • overall performance matters — it scores 47.5 and ranks #36 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Gemma 2 27B
Google
GPT-6.1 Terra
OpenAI
Core performance indexes
LLM Stats Score
-1.2
#367
47.5
#36
Reasoning
-1.5
#363
49.0
#19
Coding
-8.0
#297
37.1
#30
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.00 / M
Output price
— / M
$5.00 / M
Context window
—
1,050,000

Individual benchmarks

16 reported for Gemma 2 27B · 8 for GPT-6.1 Terra

No common benchmarks found

Gemma 2 27B and GPT-6.1 Terradon'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 GPT-6.1 Terra specifies input context (1,050,000 tokens). Only GPT-6.1 Terra specifies output context (128,000 tokens).

Google
Gemma 2 27B
Input- tokens
Output- tokens
OpenAI
GPT-6.1 Terra
Input1,050,000 tokens
Output128,000 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6.1 Terra supports multimodal inputs, whereas Gemma 2 27B does not.

GPT-6.1 Terra can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 2 27B

Text
Images
Audio
Video

GPT-6.1 Terra

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 2 27B is licensed under Gemma, while GPT-6.1 Terra uses a proprietary license.

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

Gemma 2 27B

Gemma

Open weights

GPT-6.1 Terra

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while GPT-6.1 Terra was released on 2026-10-26.

GPT-6.1 Terra is 28 months newer than Gemma 2 27B.

Gemma 2 27B

Jun 27, 2024

2.3 years ago

GPT-6.1 Terra

Oct 26, 2026

3 days ago

2.3yr newer

Knowledge Cutoff

When training data ends

GPT-6.1 Terra has a documented knowledge cutoff of 2026-06-01, while Gemma 2 27B's cutoff date is not specified.

We can confirm GPT-6.1 Terra's training data extends to 2026-06-01, but cannot make a direct comparison without Gemma 2 27B's cutoff date.

Gemma 2 27B

—

GPT-6.1 Terra

Jun 2026

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemma 2 27B and GPT-6.1 Terra side-by-side, then vote on the output you prefer.

Gemma 2 27B
✓ Preferred
GPT-6.1 Terra
Open in Playground

FAQ

Common questions about Gemma 2 27B vs GPT-6.1 Terra.

Which is better, Gemma 2 27B or GPT-6.1 Terra?

GPT-6.1 Terra leads the LLM Stats Score 47.5 to -1.2. Gemma 2 27B is made by Google and GPT-6.1 Terra is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemma 2 27B compare to GPT-6.1 Terra in benchmarks?

Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. GPT-6.1 Terra scores HealthBench Consensus: 95.1%, HealthBench Professional: 62.7%, Agents' Last Exam: 60.0%, Terminal-Bench-Science 0.1: 58.3%, MentalHealthBench: 55.5%.

What are the context window sizes for Gemma 2 27B and GPT-6.1 Terra?

Gemma 2 27B supports an unknown number of tokens and GPT-6.1 Terra supports 1.1M 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 GPT-6.1 Terra?

Key differences include LLM Stats Score (-1.2 vs 47.5), multimodal support (no vs yes), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 2 27B and GPT-6.1 Terra?

Gemma 2 27B is developed by Google and GPT-6.1 Terra is developed by OpenAI.

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