Google says its new Gemini 3.8 Flash model ‘works harder’ but might cost more

by | Sep 2, 2026 | Technology

Google says its new Gemini 3.8 Flash model ‘works harder’ but might cost more

Google unveiled Gemini 3.8 Flash, a successor to the Gemini 3.7 Flash model that launched only weeks earlier. The company characterizes the new offering as delivering enhanced performance through greater reasoning processes and iterative tool usage when handling complex tasks.

The model carries the same introductory pricing structure as its predecessor, charged at $0.75 per million input tokens and $3.75 per million output tokens. Google cautioned, however, that despite unchanged per-token rates, users may face higher overall costs because the model is designed to consume additional tokens to optimize its output quality, particularly when operating at elevated effort levels. The company indicated that developers retain the option to continue using Gemini 3.7 Flash if minimizing token usage remains a priority.

Early industry assessments highlighted the model’s competitive positioning. Artificial Analysis noted that Gemini 3.8 Flash achieves the lowest measured pricing at its intelligence tier, with observed costs rising approximately 40 percent from Gemini 3.7 Flash due to a 30 percent increase in output tokens per task and additional interactions in agentic evaluations. Industry observers made comparisons to competing offerings, suggesting the new model delivers performance quality associated with higher-tier alternatives at substantially reduced costs.

Google reported that Gemini 3.8 Flash achieved superior performance on multiple industry benchmarks, including DeepSWE v1.1 for software engineering, the Vals Finance Agent V2 benchmark, and Harvey’s Legal Agent benchmark, outperforming competing frontier models. The company integrated safety measures restricting misuse related to chemical, biological, radiological, nuclear, and cyber domains.

Google simultaneously launched Gemini 3.8 Flash Cyber as part of a restricted Fairwind Program targeting governments and vetted partners with approximately 650 members, including CrowdStrike and the Center for Internet Security. This variant aims to assist with autonomous vulnerability detection and remediation through a CodeMender agent. Gemini 3.8 Flash is now accessible to consumers through Google AI Pro and Ultra subscriptions, as well as to developers and enterprise clients.

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