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Posted by bratao 19 hours ago

Gemini 3.8 Flash and 3.8 Flash Cyber(blog.google)
https://deepmind.google/models/model-cards/gemini-3-8-flash/
1029 points | 577 commentspage 7
robertwt7 9 hours ago|
this is cool for all other non coding task. however I am still stuck on 3.6 flash on my gemini web as a plus user, can anyone else even access 3.7 flash in AU?
Alpha3031 6 hours ago||
AU user also, just checked AI studio since that seemed like the best bet and both 3.8 and 3.7 show up (and can be used for chat in playground, though IDK what the limits for that are). Chat in gemini.google.com is also 3.6 for me but I'm on free tier lol so I don't exactly expect it to show up any time soon. I think there's also another free API beyond the AI studio one (which is 20 RPD free according to docs so not really useful) but I forgot where it was (Google cloud maybe?) and what the limits for that were.
alvah 8 hours ago||
AU Pro user here. 3.8 Flash available (default) in the web app for me.
1saadcodes 4 hours ago||
The recent Sonnet models have been disappointing for me personally which is why I'm going look into using Opus/Fable as the planner and Flash as the executor. Let the expensive model handle the hard thinking and use Flash for implementation and tests so that I can stretch the Opus/Fable usage further
jpau 14 hours ago||
The iteration cycle is becoming very quick. Gemini 3.8 Flash arrived just 20 days after 3.7 Flash.

Similarly Qwen3.8-Max was updated in just 30 days (to the 0902 release) and Muse Spark in just 28 days (to the 1.3 release).

A year ago iterative releases were every 3-6 months. At what point will they reach nightly candidates?

aff-vasileva 17 hours ago||
The model seems fast enough to solve your problem before Google finishes explaining which of its three products you need to open to access it.
kelvinjps10 19 hours ago||
I see benchmarks beating sol terra and sonnet. But is actually better? Has someone used it? I don't see actually much people that use Gemini for coding.
satvikpendem 19 hours ago||
Is the Gemini CLI still terrible compared to Claude Code and Codex? The harness the main thing holding back Google models as they could've been the best given all the advantages in compute capacity and training data they initially had, where now even the Google CEO said they're falling behind in agentic tasks, which is sort of a vicious cycle because RLHF relies on human usage.
stwrt 19 hours ago||
In May they replaced the Gemini CLI with the Antigravity CLI.

https://developers.googleblog.com/an-important-update-transi...

satvikpendem 15 hours ago||
That's what I meant sorry. I used that one too and it still wasn't as good as competitors.
rancar2 19 hours ago|||
That was sunset and replaced by Antigravity. FWIW until I abandoned it knowing the sunsetting, I was able to get good behavior out of Gemini CLI with overriding the system prompt. The default prompt crippled the harness with very poor instructions, but there was a hidden ENV to override it. Replacing it with Claude Code like prompts based on the model selected, it ran at a much higher intelligence level full stack with significantly less errors.
pshirshov 19 hours ago|||
There is no Gemini CLI anymore, nor you can use Gemini with your own harness unless you pay per-token.
visarga 19 hours ago||
it's called `agy` now
zipy124 19 hours ago|||
It was superseded by the antigravity CLI.
dudeinhawaii 7 hours ago|||
Honestly, it's platform dependent and "OK" at best, "Mediocre" at worst (Agy on Windows).

Gemini is great via the Chat interface and decent via Github Copilot.

I honestly hate it via Antigravity CLI because their sandboxing system frankly doesn't work. Every other harness has mastered "don't ask me if you're working in this one directory and using common commands". Agy instead either tries to pull a global elevation or wants every tedious variation of a command string whitelisted. Madness - circa 2023.

Agy _really_ needs to make the out-of-the-box experience cleaner and hassle-free. Heck, even Grok CLI "just works".

This may reflect a global mind-shift from "approve and validate everything" to "just do the stuff and only ask permission if it's outside the folder or a command that actually requires elevation". Maybe that's not for everyone, but for those that do want to perform unattended agentic work -- Agy is painful.

fridder 18 hours ago||
it is antigravity now. It is ok
therealmarv 17 hours ago||
On my short tests: This model is amazing and the speed makes it feel like another sort of AI.

But it's bad at code reviews (maybe it's the harness agy cli?). Could not get it to same quality level on reviews like Opus, GPT 5.6, Grok. Even tried special code review skills but no luck.

sreekanth850 17 hours ago||
Dear Google, Kindly make you chat window on the right side of vscode in antigravity extension, There is a reason others kept it like that. I can see the code and inspect the files changed while Agents keep working. its critical for me personally.
luciana1u 16 hours ago||
Flash Cyber sounds like a villain from a 90s hacker movie and I'm here for it.
maxnevermind 6 hours ago|
Just tried Gemini 3.8 Flash on these 2 consecutive prompts at gemini.google.com:

1 what is tesla cybercab plan to address legal implications of accident that will happen? who is going to be responsible for them when they happen? are they covered by tesla insurance or some other insurance? are there any official plan/statements around that?

2 what was the name of the experiment they started in san antonio tx when some cars didn't have a driver? what was the results of it? did they expand the operations? it was much smaller than waymo, is it growing? how it is related to robotaxi?

It is not able to connect the dots that I keep asking about Tesla in 2nd prompt and spit out some unrelated stuff. Really? How it can be that bad? Gemini 3.1 Pro model works fine in this case btw. I thought maybe it is about knowledge cut over date and it doesn't know about those events from 2025 but it seems it has the knowledge up to March 2025. Top 10 in Intelligence on artificialanalysis ladies and gentlemen.

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