Gemini 3.5 Flash Cyber
Cost-efficient cybersecurity-focused model for vulnerability detection and patching
Context window
1000000
Input / 1M tokens
1.50
Output / 1M tokens
7.50
Provider
Data verified 2026-07-31
Gemini 3.5 Flash Cyber is a specialized model built on top of Gemini 3.5 Flash and fine-tuned for finding and fixing cybersecurity vulnerabilities. Designed to detect, validate, and patch code security issues at scale at a lower price per token than larger models. Deployed through CodeMender with multi-agent orchestration for comprehensive vulnerability scanning.
Capability index
Relative estimates (0-100) to place this model against its peers, grounded in published benchmarks.
How to access it
Exclusively available to governments and trusted partners via CodeMender as part of a limited-access pilot program.
Strengths
- ✓Lower cost per token than large cybersecurity models
- ✓Discovered 55 unique vulnerabilities in V8 (vs 47 for standard 3.5 Flash)
- ✓Efficient multi-agent architecture for scanning large codebases
- ✓Proven real-world performance finding RCE and memory-corruption bugs
Best for developers who...
When to choose it (and when not to)
Reach for Gemini 3.5 Flash Cyber when...
- →When you need continuous vulnerability scanning across large codebases
- →For organizations that have access through the limited pilot program
Look elsewhere if...
- ✕If you need public self-serve API access (currently restricted to governments and partners)
- ✕For use cases requiring broader model availability
How to use it
Quickstart
N/AAccess restricted to pilot participants via CodeMenderPublic API not available; limited-access pilot program only
API model id: Not announced
Benchmarks
| Benchmark | Score | Notes |
|---|---|---|
| V8 JavaScript Engine (Chrome) | 55 unique vulnerabilities found | Outperformed 3.5 Flash (47) and Claude Opus 4.6 (36) |
| CyberGym | 83.2% | Multi-agent CodeMender configuration |
| Big Sleep (Complex Codebase Security) | Significant uplift vs 3.5 Flash | Tested on real-world vulnerabilities in Chrome and Safari |
| Big Sleep (Complex Codebases) | 72% | Significantly surpassed standard Gemini 3.5 Flash (36%) and Gemini 3.6 Flash (42%) |
| Chrome Production Pipeline | 72% | Compared to 55% for standard 3.5 Flash and 54% for Claude Opus 4.6 |
| Big Sleep Evaluation | 72% | Complex Codebases - nearly doubles standard 3.5 Flash at 36% |
| Chrome V8 JavaScript Engine | 55 unique vulnerabilities | Discovered vulnerabilities in production |
Source: Google Official Blog
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