Gemini 3.8 Flash
google/gemini-3.8-flash- Family · Gemini 3 Flash
- Released 2 Sep 2026
- Text · Image · Video · File · Audio → Text
- Reasoning · adjustable
- Tools · JSON · Vision
Spec & list price
Context1M
Max output64K
Input / 1M$0.82
Output / 1M$4.135× input
Scores · standing
Intelligence40.9#32/489
LiveBench59.2#23/32
Coding76.3#9/196
Usage
Tokens / day169.3B▼ 6.9% 7d
Usage rank#26
Requests / day6.5M
Tool calls / req0.20
Per request · 30 days
Avg input20.4K1.4× median
Avg output8711.3× median
Cache hit65%about median
Reasoning share54%about median
Tool-call failures2.9%1.5× median
Consumption
Peak 365.7B 30 SepLow 115.5B 1 NovRank today #26
News & trends
35 mentions this week ▲ 59%this model · videos, posts, articles · 30 days
Trending · 14 days · Gemini 3 Flash family
- 【Gemini 3.8 Flash】iPhoneでここまでやってくれるとは…。Googleアプリ連係まで全部教えます5.0K views
- Gemini 3.6 Flash won a nuclear last stand without breaking a single pact. Google's open Gemma 4 31B came 2nd of 43.69 upvotes
- GLM 5.1 ranked between GLM 5.3 and GLM 5. Where would you rank Gemini 3 Flash Preview?13 upvotes
- Design and replicate voices with Gemini 3.8 Flash TTS33.3K views
News
- Claude Opus 5.5 and Claude Sonnet 5.5 are now available in Google AntigravityGoogle Cloud · 20 Oct
- python-genai v2.26.0Google · 30 Sep
- Introducing Gemini 3.8 Flash and 3.8 Flash CyberGoogle DeepMind · 2 Sep
Benchmarks
bar = share of the top score · Benchmark data: Artificial AnalysisSpeed · median across 7 providers, latest day
Output speed#127/33479 tok/s1.2× faster than median
Fastest provider87 tok/sbest of 7 providers
First token#2782.55 s2.5× longer than median
First answer token#5715 sthinking included
#10 cheapest of 21 with a similar score
Value
Intelligence Index
Blended price per 1M tokens (log)
Family progress
Intelligence Index
- Family releases40.9
LiveBench suites
Browser45.1
Coding82.2
Data Analysis54.0
Design72.7
Long Agentic16.5
Reasoning89.3
Research79.1
▲ Strongest: Reasoning, Coding. ▼ Weakest: Long Agentic (17).
Technical details
- Reasoning
- on · medium
- Tokenizer
- Gemini
- Moderation
- none
Reasoning effort
- high
- medium · default
- low
Request parameters 12
- tools
- tool_choice
- response_format
- structured_outputs
- reasoning
- reasoning_effort
- include_reasoning
- temperature
- top_p
- max_tokens
+2 more
- stop
- seed
Interesting facts
- Less output room than similar models (65.5K against a 128.0K median).
- The most used of 5 Gemini 3 Flash models by tokens last month.
- Released 61 days ago, the newest of 5 Gemini 3 Flash models.
When to use
Best for
- Reasoning-heavy analysis and science questions
- Coding agents and terminal workflows
- Banking and customer-service style tool agents
- Long document Q&A
- Multimodal chat over images, audio and video
Think twice for
- Long autonomous agent runs (weakest suite)
- Spreadsheet-style data analysis
- Self-hosting (closed weights)
Research papers
- Calculation and rejection diverge in language models tested at known mechanical limits28 Oct
- Spine: Compiling Subtask Trees into Structured Context for Long-Horizon Coding Agents27 Oct
- Do We Need an LLM to Know Why Sources Conflict? Decision Models for Knowledge-Conflict Typing in RAG27 Oct
- Evaluating DeepSeek V4.1 Flash-1017 for loss of control and harmful manipulation risks26 Oct
- Intent-Preserving Adversarial User Simulation for Multi-Turn Agent Evaluation26 Oct
- InferPriv: Evaluating Inferential Privacy Leakage in LLM Assistants25 Oct
- Latent Coherence: Do Frontier Language Models' Probability Judgments Obey the Law of Total Probability?22 Oct
- Asking a Multimodal LLM Whether Someone Fell: Zero-Shot Screening of Low-Resolution Thermal Video in a Laboratory and an Occupied Home21 Oct
Social
Most watched and discussed · 90 days
- Design and replicate voices with Gemini 3.8 Flash TTSGoogle for Developers · 33.3K views · 21 Oct
- 【Gemini 3.8 Flash】iPhoneでここまでやってくれるとは…。Googleアプリ連係まで全部教えますあいまる / iPhone×AIで毎日を効率化 · 5.0K views · 30 Oct
- Ousama Ren'ai | Ayame & Ichika Route (Full) | English MTL Patch (Gemini 3.8 Flash)SnowyLynx · 1.1K views · 24 Oct
- GPT-6 Luna vs Gemini 3.8 Flash: One Capture Opens Checkmate ♟️Outwit League · 241 views · 24 Oct
- Gemini 4 Argon x Gemini 3.8 Flash: qual faz a MELHOR sentença trabalhista?LexMind Cursos e Treinamentos · 222 views · 29 Oct
- Gemini 3.8 Flash is not Perfect but...!The Middle Class Breaker · 163 views · 25 Oct
- تجربة نموذج Gemini 3.8 Flash في برمجة الألعاب ثلاثية الأبعادعلي الهلال | Ali AlHelal · 125 views · 23 Oct
- Gemini 3.8 Flash EPIC Shopify HACK and Adult Store Robbery #unauthorized #gemini #ai #aifailsAI RageRoom · 119 views · 24 Oct
- Достало, что озвучка как у робота? | Gemini 3.8 Flash TTSAI Design Space · 104 views · 24 Oct
- Gemini 3.8 Flash Is Already in Your App — Did You Notice?Backprop · 102 views · 24 Oct
- Gemini 4 Argon vs Gemini 3.8 Flash: first pelican bicycle test resultsDead Pixel Diary · 94 views · 27 Oct
- Hasbulla as Gemini 3.8 Flash: Shadowboxing Gone Wrong 💀 #Shadowboxing #AIMemesClash of AI · 56 views · 30 Oct
Same family
Gemini 3 Flash- 33.6
- 26.3
- 34.0
- 39.6
Alternatives
other vendors · similar capability- S43.7
- 36.0
- 38.2
- 42.1
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