Gemini 3 Flash
vgemini-3-flash-previewGoogle's efficiency model with Pro-level performance at low cost. 78% SWE-bench (beat Gemini 3 Pro), 1M context, 3x faster than 2.5 Pro. Thinking level parameter for compute control. Still served as gemini-3-flash-preview (no shutdown date announced), but superseded as Google's lead Flash tier by Gemini 3.5 Flash (2026-05-19), which Google lists as its designated replacement.
Trust Vector Analysis
Dimension Breakdown
🚀Performance & Reliability+
Exceptional value: 78% SWE-bench beats Pro at 1/4 the price. 3x faster than 2.5 Pro with 1M context. Beats Pro on tool use and MMMU.
Industry-standard coding benchmarks
PhD-level reasoning benchmarks
Multimodal understanding testing
Consistency testing across thinking levels
Median latency measurements
95th percentile measurements
Official specification
🛡️Security+
Strong security inherited from Gemini 3 family. Google Cloud infrastructure provides enterprise-grade protection.
OWASP LLM security testing
Adversarial prompt testing
Privacy policy review
Safety testing
API security review
🔒Privacy & Compliance+
Good privacy with Google Cloud. Free tier available. Enterprise options for enhanced compliance.
Cloud infrastructure review
Terms review
Retention policy review
Data protection review
Certification verification
Enterprise feature review
👁️Trust & Transparency+
Strong transparency with thinking level parameter. Configurable reasoning depth for different use cases.
Reasoning transparency evaluation
Factual accuracy testing
Bias evaluation
Qualitative assessment
Documentation review
Public disclosure review
Safety mechanism review
⚙️Operational Excellence+
Excellent operational maturity. Free tier available in API. Still in preview ~7 months after launch; Google's deprecations page names gemini-3.5-flash as its designated replacement, so plan migrations accordingly.
API design review
SDK quality assessment
Versioning policy review
Observability review
Support assessment
Ecosystem analysis
License review
- +Pro-level performance at 1/4 the price ($0.50/$3 per 1M tokens)
- +78% SWE-bench actually beats Gemini 3 Pro (76.2%)
- +3x faster than Gemini 2.5 Pro with 1M token context
- +Thinking level parameter (minimal, low, medium, high)
- +Beats Pro on MMMU (81.2% vs 81%) and tool use
- +Free tier available in Gemini API
- +Default model in consumer Gemini app
- !Preview status (never promoted to GA; still gemini-3-flash-preview)
- !SUPERSEDED: Gemini 3.5 Flash (2026-05-19) is now Google's lead Flash tier and the designated replacement, though no shutdown date is announced
- !Slightly behind Pro on GPQA Diamond (90.4% vs 93.8%)
- !Less deep reasoning than Pro's Deep Think mode
- !Slightly higher than 2.5 Flash pricing ($0.50 vs $0.30)
Use Case Ratings
code generation
78% SWE-bench beats Gemini 3 Pro. Excellent value for coding at 1/4 the price.
customer support
Low latency (3x faster than 2.5 Pro). Native multimodal for image/video support.
content creation
Good creative capabilities with cost efficiency. 1M context for long-form.
data analysis
1M context enables massive dataset analysis at low cost.
research assistant
1M context for document processing. Cost-effective for high-volume research.
legal compliance
1M context for contract analysis. Good value for document review.
healthcare
HIPAA via Google Cloud. Cost-effective for medical record processing.
financial analysis
Strong quantitative reasoning at low cost. 1M context for large documents.
education
90.4% GPQA Diamond. Cost-effective for educational platforms.
creative writing
Good creative capabilities. Best value for creative at scale.