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Gemma 3 27B

Google

82·Strong

Overall Trust Score

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.

open-source
google
privacy
basic
commercial-friendly
lightweight
Version: 2025-01
Last Evaluated: November 8, 2025
Official Website →

Trust Vector

Performance & Reliability

70

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

task accuracy code
68
Methodology
Industry-standard coding benchmarks
Evidence
HumanEval Benchmark
38% pass rate (estimated)
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
task accuracy reasoning
69
Methodology
Mathematical reasoning benchmarks
Evidence
MATH Benchmark
45% on mathematical reasoning tasks
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
task accuracy general
72
Methodology
Knowledge testing benchmarks
Evidence
MMLU Benchmark
42.4% on multitask language understanding
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
output consistency
71
Methodology
Internal testing with repeated prompts
Evidence
Google Internal Testing
Reasonable consistency for typical tasks
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
latency p50
Value: 1.0s
Methodology
Median latency on recommended hardware
Evidence
Community benchmarking
~1.0s on standard hardware
Date: 2025-01-20
Confidence: mediumLast verified: 2025-11-08
latency p95
Value: 2.0s
Methodology
95th percentile response time
Evidence
Community benchmarking
p95 latency ~2.0s
Date: 2025-01-20
Confidence: mediumLast verified: 2025-11-08
context window
Value: 8,192 tokens
Methodology
Official specification
Evidence
Google Documentation
8K token context window
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
uptime
95
Methodology
User-controlled deployment
Evidence
Self-hosted model
Uptime depends on hosting infrastructure
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08

Security

78

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

prompt injection resistance
76
Methodology
Testing against prompt injection attacks
Evidence
Google Safety Testing
Baseline resistance, additional safeguards recommended
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
jailbreak resistance
77
Methodology
Testing against adversarial prompts
Evidence
Google Safety Evaluations
Built-in safety mechanisms
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
data leakage prevention
85
Methodology
Analysis of deployment model
Evidence
Self-hosted deployment
Full control over data
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
output safety
78
Methodology
Safety testing
Evidence
Google Safety Benchmarks
Safety training applied
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
api security
80
Methodology
Review of deployment practices
Evidence
Deployment documentation
Security depends on deployment
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08

Privacy & Compliance

94

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

data residency
Value: User-controlled
Methodology
Analysis of deployment model
Evidence
Open-source model
Full control over data location
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
training data optout
98
Methodology
Analysis of data flow
Evidence
Self-hosted model
No data sent to Google
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
data retention
Value: User-controlled
Methodology
Analysis of deployment model
Evidence
Self-hosted deployment
Full control over retention
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
pii handling
92
Methodology
Review of deployment architecture
Evidence
Self-hosted deployment
Full PII control
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
compliance certifications
92
Methodology
Review of deployment options
Evidence
Self-hosted model
Compliance through deployment
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
zero data retention
98
Methodology
Analysis of deployment model
Evidence
Self-hosted deployment
Complete control
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08

Trust & Transparency

85

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

explainability
80
Methodology
Evaluation of reasoning transparency
Evidence
Model Behavior
Reasonable explanations for typical tasks
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
hallucination rate
78
Methodology
Community evaluation
Evidence
Community Testing
Moderate hallucination rate
Date: 2025-01-15
Confidence: mediumLast verified: 2025-11-08
bias fairness
82
Methodology
Evaluation on bias benchmarks
Evidence
Google Responsible AI
Bias testing applied
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
uncertainty quantification
81
Methodology
Qualitative assessment
Evidence
Model Behavior
Reasonable uncertainty expression
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
model card quality
90
Methodology
Review of documentation
Evidence
Google Model Card
Comprehensive model card
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
training data transparency
88
Methodology
Review of technical documentation
Evidence
Google Technical Report
Good transparency on training
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
guardrails
86
Methodology
Review of safety systems
Evidence
Open-source implementation
Transparent safety mechanisms
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08

Operational Excellence

83

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

api design quality
84
Methodology
Review of API design
Evidence
Google Documentation
Standard inference API
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
sdk quality
85
Methodology
Review of SDKs
Evidence
Google GitHub
Official libraries
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
versioning policy
86
Methodology
Review of versioning
Evidence
Google Release Policy
Clear versioning
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
monitoring observability
76
Methodology
Review of monitoring tools
Evidence
Community tools
Depends on deployment
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
support quality
82
Methodology
Assessment of support
Evidence
Community Support
Active community
Date: 2025-01-10
Confidence: mediumLast verified: 2025-11-08
ecosystem maturity
84
Methodology
Analysis of ecosystem
Evidence
Open-source ecosystem
Growing ecosystem
Date: 2025-01-10
Confidence: highLast verified: 2025-11-08
license terms
92
Methodology
Review of license
Evidence
Gemma Terms
Commercial-friendly license
Date: 2025-01-10
Confidence: highLast verified: 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

68

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

customer support

76

Adequate for basic customer support with privacy benefits.

content creation

74

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

data analysis

71

Basic data analysis only. Not suitable for complex tasks.

research assistant

72

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

legal compliance

74

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

healthcare

76

Basic healthcare tasks with self-hosted HIPAA compliance.

financial analysis

70

Basic financial tasks only. Not suitable for complex modeling.

education

75

Good for basic educational content and tutoring.

creative writing

73

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