Gemini

Google: Gemini 3.8 Flash

google/gemini-3.8-flash

canonical: google/gemini-3.8-flash-20260902

Audio inside a video clip

Hears clip audioprobed 2026-10-22

Probed: repeated a codeword that was only ever spoken on the audio track.

What it answered

SHAPE: yellow square
AUDIO: purple elephant

Descriptionfrom OpenRouter

Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

Context length

1,048,576 tok

Max completion

65,536 tok

Knowledge cutoff

—

Expires

—

Added to OpenRouter

9/2/2026

Cache last refreshed

11/12/2026

Primary modality

text+image+file+audio+video->text

Source

OpenRouter

Input modalities

textimagevideofileaudio

Output modalities

text

Pricing

Field	Per token (USD)	Per million
prompt	0.00000075	$0.750
completion	0.00000375	$3.75
image	0.00000075	$0.750
audio	0.00000075	$0.750
input_audio_cache	0.000000075	$0.075
web_search	0.014	$14000
internal_reasoning	0.00000375	$3.75
input_cache_read	0.000000075	$0.075
input_cache_write	0.0000000416666666666667	$0.042

Supported parameters(12)

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p

OpenRouter page

Videos

17:31

Testing Gemini 3.8 Flash on Real Coding Challenges (vs. other models)

Sep 2, 2026 · YouTube

30:35

GLM 5.3 Flash vs Qwen 3.8 Flash for Video Analysis (Deep Dive!)

Aug 29, 2026 · YouTube

23:58

Qwen 3.8 Flash Tested: UI, Coding, Physics & more - compared to Opus 5, Sol Pro, Grok

Aug 27, 2026 · YouTube

Rounds

30 answersin this database. A round opens every model's answer to the same prompt.

Nov 4, 2026Small ModelsTailwind Quick Ten100excellentin a video round answer
Nov 4, 2026Small ModelsPython Quick Ten100excellentin a video round answer
Oct 18, 2026Model FingerprintsPick Ten Random Thingsin a video round answer
Oct 18, 2026Model FingerprintsName Ten Story Charactersin a video round answer
Oct 18, 2026Model FingerprintsTen Canvas Animation Ideasin a video round answer
Oct 17, 2026Vision & PerceptionSeconds Until Out of Framein a video round answer
Oct 17, 2026Vision & PerceptionCount the Park Catsround answer
Oct 17, 2026Vision & PerceptionCount the Park Catsin a video round answer
Oct 6, 2026Vision & PerceptionThe scroll testin a video round answer
Oct 6, 2026Vision & PerceptionCar Identificationin a video round answer
Oct 6, 2026Creative WritingThe acrostic sonnetin a video round answer
Oct 6, 2026Creative WritingNo letter Ein a video round answer
Oct 6, 2026Psychology & Business AcumenAre you sure?in a video round answer
Oct 6, 2026Psychology & Business AcumenThe performance reviewin a video round answer
Oct 6, 2026Creative WritingExactly fifty wordsin a video round answer
Sep 28, 2026CodingNeon Unicorn Frappuccinoin a video round answer
Sep 22, 2026CodingUmbrella In High Windin a video round answer
Sep 22, 2026CodingSpinning cat memein a video round answer
Sep 22, 2026CodingUmbrella In High Windin a video round answer
Sep 22, 2026CodingBird Breakdance Animationin a video round answer
Sep 2, 2026Vision & PerceptionStream audit — social media consultantin a video round answer
Sep 2, 2026Speed & AccuracyTrade show support repliesin a video round answer
Sep 2, 2026CodingThe same soldierin a video round answer
Sep 2, 2026CodingThe Atomic Banditin a video round answer
Sep 2, 2026CodingShip it in 1998in a video round answer
Sep 2, 2026CodingA hundred thousand of themin a video round answer
Sep 2, 2026CodingThe Cybertruck rallyin a video round answer
Sep 2, 2026CodingPage two, againin a video round answer
Sep 2, 2026CodingDrop the slinkyin a video round answer
Sep 2, 2026CodingTwo kilobytesin a video round answer