Gemma 3 27B

v2025-01

Google

Modelopen-sourcegoogleprivacybasic
82
Strong
About This Model

Google's open-source Gemma 3 model with 27 billion parameters. Designed for developers seeking Google's research quality with open-source flexibility and commercial-friendly licensing.

Last Evaluated: November 8, 2025
Official Website

Trust Vector Analysis

Dimension Breakdown

🚀Performance & Reliability
+

Moderate performance suitable for basic tasks. Limited by smaller context window (8K tokens). Open-source flexibility.

task accuracy code

Industry-standard coding benchmarks

Evidence
HumanEval Benchmark38% pass rate (estimated)
mediumVerified: 2025-11-08
task accuracy reasoning

Mathematical reasoning benchmarks

Evidence
MATH Benchmark45% on mathematical reasoning tasks
mediumVerified: 2025-11-08
task accuracy general

Knowledge testing benchmarks

Evidence
MMLU Benchmark42.4% on multitask language understanding
highVerified: 2025-11-08
output consistency

Internal testing with repeated prompts

Evidence
Google Internal TestingReasonable consistency for typical tasks
mediumVerified: 2025-11-08
latency p50

Median latency on recommended hardware

Evidence
Community benchmarking~1.0s on standard hardware
mediumVerified: 2025-11-08
latency p95

95th percentile response time

Evidence
Community benchmarkingp95 latency ~2.0s
mediumVerified: 2025-11-08
context window

Official specification

Evidence
Google Documentation8K token context window
highVerified: 2025-11-08
uptime

User-controlled deployment

Evidence
Self-hosted modelUptime depends on hosting infrastructure
mediumVerified: 2025-11-08
🛡️Security
+

Basic security with self-hosted deployment control. Additional safety layers recommended for production.

prompt injection resistance

Testing against prompt injection attacks

Evidence
Google Safety TestingBaseline resistance, additional safeguards recommended
mediumVerified: 2025-11-08
jailbreak resistance

Testing against adversarial prompts

Evidence
Google Safety EvaluationsBuilt-in safety mechanisms
mediumVerified: 2025-11-08
data leakage prevention

Analysis of deployment model

Evidence
Self-hosted deploymentFull control over data
highVerified: 2025-11-08
output safety

Safety testing

Evidence
Google Safety BenchmarksSafety training applied
mediumVerified: 2025-11-08
api security

Review of deployment practices

Evidence
Deployment documentationSecurity depends on deployment
highVerified: 2025-11-08
🔒Privacy & Compliance
+

Excellent privacy with self-hosted deployment. Full control over all data aspects.

data residency

Analysis of deployment model

Evidence
Open-source modelFull control over data location
highVerified: 2025-11-08
training data optout

Analysis of data flow

Evidence
Self-hosted modelNo data sent to Google
highVerified: 2025-11-08
data retention

Analysis of deployment model

Evidence
Self-hosted deploymentFull control over retention
highVerified: 2025-11-08
pii handling

Review of deployment architecture

Evidence
Self-hosted deploymentFull PII control
highVerified: 2025-11-08
compliance certifications

Review of deployment options

Evidence
Self-hosted modelCompliance through deployment
highVerified: 2025-11-08
zero data retention

Analysis of deployment model

Evidence
Self-hosted deploymentComplete control
highVerified: 2025-11-08
👁️Trust & Transparency
+

Good transparency as open-source model from Google. Comprehensive documentation.

explainability

Evaluation of reasoning transparency

Evidence
Model BehaviorReasonable explanations for typical tasks
mediumVerified: 2025-11-08
hallucination rate

Community evaluation

Evidence
Community TestingModerate hallucination rate
mediumVerified: 2025-11-08
bias fairness

Evaluation on bias benchmarks

Evidence
Google Responsible AIBias testing applied
mediumVerified: 2025-11-08
uncertainty quantification

Qualitative assessment

Evidence
Model BehaviorReasonable uncertainty expression
mediumVerified: 2025-11-08
model card quality

Review of documentation

Evidence
Google Model CardComprehensive model card
highVerified: 2025-11-08
training data transparency

Review of technical documentation

Evidence
Google Technical ReportGood transparency on training
highVerified: 2025-11-08
guardrails

Review of safety systems

Evidence
Open-source implementationTransparent safety mechanisms
highVerified: 2025-11-08
⚙️Operational Excellence
+

Good operational maturity with Google's backing. Easier deployment than larger models.

api design quality

Review of API design

Evidence
Google DocumentationStandard inference API
highVerified: 2025-11-08
sdk quality

Review of SDKs

Evidence
Google GitHubOfficial libraries
highVerified: 2025-11-08
versioning policy

Review of versioning

Evidence
Google Release PolicyClear versioning
highVerified: 2025-11-08
monitoring observability

Review of monitoring tools

Evidence
Community toolsDepends on deployment
mediumVerified: 2025-11-08
support quality

Assessment of support

Evidence
Community SupportActive community
mediumVerified: 2025-11-08
ecosystem maturity

Analysis of ecosystem

Evidence
Open-source ecosystemGrowing ecosystem
highVerified: 2025-11-08
license terms

Review of license

Evidence
Gemma TermsCommercial-friendly license
highVerified: 2025-11-08
Strengths
  • +Open-source with commercial-friendly Google license
  • +Complete data sovereignty with self-hosted deployment
  • +Lower resource requirements than larger models
  • +No data sharing with Google
  • +Google's research quality in open-source package
  • +Cost-effective for basic tasks
Limitations
  • !Limited accuracy (42.4% MMLU) compared to larger models
  • !Small context window (8K tokens)
  • !Moderate coding capabilities
  • !Requires infrastructure for deployment
  • !Not suitable for complex or specialized tasks
  • !Limited ecosystem compared to Llama
Metadata
pricing
input: Self-hosted (infrastructure costs)
output: Self-hosted (infrastructure costs)
notes: Open-source model. Typically $0.20-0.60 per 1M tokens with optimized deployment.
context window: 8192
languages
0: English
1: Spanish
2: French
3: German
4: Italian
5: Portuguese
6: Japanese
7: Korean
8: Chinese
modalities
0: text
api endpoint: Self-hosted
open source: true
architecture: Transformer-based
parameters: 27B

Use Case Ratings

code generation

Basic coding capabilities. Limited context window (8K) restricts complex projects.

customer support

Adequate for basic customer support with privacy benefits.

content creation

Good for short-form content. Limited by 8K context window.

data analysis

Basic data analysis only. Not suitable for complex tasks.

research assistant

Basic research tasks. 42.4% MMLU shows limited knowledge depth.

legal compliance

Basic legal tasks with data sovereignty. Limited accuracy for complex work.

healthcare

Basic healthcare tasks with self-hosted HIPAA compliance.

financial analysis

Basic financial tasks only. Not suitable for complex modeling.

education

Good for basic educational content and tutoring.

creative writing

Adequate for short creative writing. Context limit restricts long-form content.