Long-horizon coding and reasoning
The model is described as Google’s best reasoning and coding model yet, with substantial gains over 3.7 Flash in software engineering and long-horizon tasks.
Gemini 3.8 Flash and 3.8 Flash Cyber
Gemini 3.8 Flash and Gemini 3.8 Flash Cyber are Google Gemini models for agentic coding, multi-step reasoning, and cybersecurity defense. 3.8 Flash is the general workhorse model, while 3.8 Flash Cyber is available to trusted defenders through the Fairwind Program.
Overview
Gemini 3.8 Flash and Gemini 3.8 Flash Cyber are Google Gemini models announced for two related but distinct jobs: general agentic reasoning and cybersecurity defense. The company describes 3.8 Flash as its most intelligent workhorse model, designed for long-horizon coding, autonomous agents, and multi-step reasoning, while 3.8 Flash Cyber is the specialized cyber variant focused on vulnerability discovery and automated patching.
The source positions both models as sharing the same foundational intelligence and similar speed and cost characteristics, with 3.8 Flash offered at the same introductory price as 3.7 Flash. 3.8 Flash Cyber is not broadly public; it is available to trusted defenders through the Fairwind Program, a limited-access program for governments and trusted partners to use advanced cyber defense tools.
Key features
Agentic task execution
The source says 3.8 Flash can execute extra reasoning steps and call tools iteratively on complex tasks, which helps it handle multi-step work across specialized domains.
Specialized-domain analysis
3.8 Flash is presented as a workhorse model for critical enterprise autonomy, with benchmark results cited for quantitative, legal, and STEM-style reasoning workloads.
Cybersecurity defense workflows
3.8 Flash Cyber is positioned for autonomous vulnerability discovery and automated patching, with benchmark results showing strong performance on vulnerability finding and code fixing.
Fairwind Program access
The Fairwind Program pairs 3.8 Flash Cyber with CodeMender harnesses to help defenders find, verify, and fix vulnerabilities at agentic scale inside secure cloud environments.
Safety and prompt-injection protections
The source notes that 3.8 Flash ships with safeguards against misuse in CBRN and cyber offense domains, while both models show improved prompt-injection robustness.
Common use cases
Long-horizon coding
Use 3.8 Flash for software engineering tasks that require longer planning, tool use, and end-to-end problem solving, especially when a lower-cost model is preferred over larger frontier alternatives.
Autonomous agents
Use 3.8 Flash for agentic workflows where the model needs to keep working across multiple steps, revise its own output, and call tools more than once to complete a task.
Professional reasoning
Use 3.8 Flash for specialized analysis and reporting in fields such as finance, law, STEM, and other professional domains where multi-step reasoning matters.
Security remediation
Use 3.8 Flash Cyber with CodeMender in secure environments to find, verify, and generate patches for vulnerabilities without relying on manual remediation alone.
Vulnerability discovery
Use 3.8 Flash Cyber in trusted defender programs for large-scale vulnerability discovery across complex codebases, including multi-language repositories.
Pros and Cons
Pros
- 3.8 Flash is presented as the strongest Gemini reasoning and coding model in the source.
- The model is designed for agentic workflows, using iterative tool calls and additional reasoning steps on harder tasks.
- 3.8 Flash is offered at the same introductory per-token price as 3.7 Flash.
- 3.8 Flash Cyber is tuned for vulnerability detection and automated patching rather than offensive exploitation.
- The source cites improved prompt-injection robustness across Gemini 3.8 models.
Cons
- The public source does not provide full integration, endpoint, or platform details for general deployment.
- Gemini 3.8 Flash Cyber is limited to trusted defenders in the Fairwind Program, so it is not broadly available.
- The source does not give complete public pricing information for 3.8 Flash Cyber or Fairwind access.
FAQ
What is the difference between Gemini 3.8 Flash and Gemini 3.8 Flash Cyber?
Gemini 3.8 Flash is positioned as the general-purpose workhorse model for long-horizon coding, agentic tasks, and multi-step reasoning. Gemini 3.8 Flash Cyber is the specialized cybersecurity variant for vulnerability discovery and automated patching, and it is available only through the Fairwind Program to trusted defenders.
How is Gemini 3.8 Flash priced?
The source says Gemini 3.8 Flash is available at the same introductory price as 3.7 Flash: $0.75 per million input tokens and $3.75 per million output tokens. No separate public pricing details were provided for 3.8 Flash Cyber in the source content.
Who can access Gemini 3.8 Flash Cyber?
Gemini 3.8 Flash Cyber is available to a limited set of trusted defenders through the Fairwind Program. The program is described as a limited access program for governments and trusted partners, with participating organizations agreeing to strict operational standards.
How does Gemini 3.8 Flash handle complex tasks?
The source describes 3.8 Flash as working harder on complex tasks by using extra reasoning steps and iterative tool calls. It also notes that lower effort levels can reduce token overhead when compute efficiency matters.
What is Gemini 3.8 Flash Cyber designed to do?
The source says 3.8 Flash Cyber was built to help defenders find, verify, and fix vulnerabilities, including generating deployment-ready patches in minutes within a secure cloud environment. It also emphasizes that vulnerability fixing was prioritized over offensive capabilities like exploitation.
Quick Facts
- Product type
- Gemini models
- Variants
- Gemini 3.8 Flash; Gemini 3.8 Flash Cyber
- Primary focus
- Agentic workflows, coding, and cybersecurity
- Access model
- 3.8 Flash Cyber is available through the Fairwind Program
- Source domain
- blog.google
- Intro pricing
- 3.8 Flash: $0.75 input tokens / $3.75 output tokens per million
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