llm-gemini 0.34

Source: Simon Willison By Simon Willison
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Release: llm-gemini 0.34 New model gemini-3.8-flash for Gemini 3.8 Flash , with low, medium and high thinking levels. #146 Fixed async responses failing to record the resolved model version. Thanks, Charlie Tonneslan . #137 Google released Gemini 3.8 Flash (and 3.8 Flash Cyber, but that's available to "trusted defenders" only) today. Here are the pelicans…

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Summary

Google released Gemini 3.8 Flash, a new model with low, medium, and high thinking levels. This update also fixes an issue with asynchronous responses not recording the resolved model version. The Gemini Flash model is noted for its speed, low cost, and competence in tasks like generating HTML and JavaScript. A new version, 3.8 Flash Cyber, is available to select users. The release includes examples of its capabilities, such as generating HTML code and rendering markdown with SVG.

Why it matters

Why it matters: Google's Gemini 3.8 Flash offers tiered 'thinking levels,' potentially allowing users to balance cost and performance. This release targets developers with its speed and affordability for tasks like code generation. While specific benchmarks against competitors like OpenAI's GPT or Anthropic's Claude are not provided, the emphasis on speed and cost suggests a focus on practical application. The limited release of 'Flash Cyber' hints at future enterprise or specialized applications. Developers using Gemini Flash can expect faster, cheaper code generation and improved handling of specific formats like HTML.

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Where the other five stand

Related: OpenAI: Meta Muse Code & Muse Spark Course – Build AI Agents, APIs, and Full-Stack Apps · Anthropic: Meta Muse Code & Muse Spark Course – Build AI Agents, APIs, and Full-Stack Apps · Microsoft: Gemini 3.8 Flash is now available in GitHub Copilot · Meta: Meta Muse Code & Muse Spark Course – Build AI Agents, APIs, and Full-Stack Apps · xAI: OpenAI Cut Off a Billion-Dollar Customer to Avoid Elon Musk

Hype check
3/5Notable

Rated middle: a real update, not a headline event.

Who's talking about it
Prior coverage our earlier items on the same thing
Published
Source
Simon Willison (simonwillison.net)
Author
Simon Willison
Company
Google · Web · Trade
People
Charlie Tonneslan
Products
Gemini 3.8 Flash, Gemini 3.7 Flash, Gemini 3.8 Flash Cyber
Summary by
Subvolts, using an AI model (how we work). Spotted a mistake? Tell us.

Questions people ask

What is new in Gemini 3.8 Flash?
Gemini 3.8 Flash introduces low, medium, and high thinking levels. It also fixes a bug related to asynchronous response model version recording.
What are the benefits of Gemini Flash?
Gemini Flash is fast, cheap, and competent at tasks like generating HTML and JavaScript code.
Is Gemini 3.8 Flash Cyber available to everyone?
No, Gemini 3.8 Flash Cyber is currently available only to 'trusted defenders'.

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Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Simon Willison.