LLM
Gemini 3.8 Flash
Gemini Flash model built for long-horizon software engineering, GA in the Gemini API. Modalities not stated on the page read.
Levelmodel
ClassLLM
Parametersnot in the notes
Context1,048,576
Released2 Sep 2026
Opennessproprietary
Runs onnot in the notes
Statusactive
Benchmark Results
vendor-reportedindependent
Arena Text leaderboardhuman preference arena
highindependent
1,497 ±5
1,2001,4001,600
Score in Elo; the axis starts at 1,200, as Elo has no zero. Higher is better.
rank 8, Arena Text overall
Arena Vision leaderboardhuman preference arena
high; preliminaryindependent
1,289 ±11
1,2701,2901,310
Score in Elo; the axis starts at 1,270, as Elo has no zero. Higher is better.
rank 14 of 165, Arena Vision overall, style control default, 165 models
Artificial Analysis Intelligence Index v4.3.2composite index
high; 40.93independent
41
03060
Score in index. Higher is better.
AA leaderboard, 205 current models
DeepSWE v1.1coding
above 70% (chart only)vendor-reported
70
050100
Score in %. Higher is better.
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).
Lineage
successor
Gemini 3.7 Flash is the parent (successor)medium confidencenotesGemini 4 Argon is a child (successor)medium confidencenotesWhere this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 4 models. Confidence and evidence are the notes' own.
Identity
- Developer
- Google DeepMind
- Family
- Gemini
- Released
- 2 Sep 2026 sourcessecondary report
- Weights published
- –
- Record checked
- 10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- not in the notes Not disclosed
- Total parameters
- – sources
- Active parameters
- –
- Checkpoint parameters
- –
- Context length
- 1,048,576 tokens
- Input
- text
- Output
- text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- proprietary
- Licence
- Proprietary sources
- Access routes
- API
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- not in the notes
- Footprint
- GA in Gemini API as gemini-3.8-flash (New, Stable). Output 64K. Also in Antigravity and GitHub Copilot.
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Industry Use Cases
No industry use case links this model.
Links
ModelGemini 3.8 FlashGoogle DeepMind, LLM
Gemini 3.8 FlashGoogle DeepMind, LLMUse CasesIndustrial Copilots and Maintenance AssistantsIndustrialClinical LLM (Frontier Proprietary)HealthcarePharma Documents, Regulatory and Life-Science R&DHealthcareAmbient Clinical ScribingHealthcare+2 moreUse cases of models in the same R&D topic; none is recorded for this model itself.
Who Runs It
PT Pertamina Geothermal EnergyIn production, 14 Jul 2026
Banner HealthIn production, 11 Jan 2026CommureIn production, 11 Jan 2026FlatironIn production, 11 Jan 2026+39 moreDeployments of these use cases; none names this model.
PT Pertamina Geothermal EnergyIn production, 14 Jul 2026Banner HealthIn production, 11 Jan 2026CommureIn production, 11 Jan 2026FlatironIn production, 11 Jan 2026+39 moreDeployments of these use cases; none names this model.Models 3
Organisations 1
Sources
- Models | Gemini API | Google AI for Developers ai.google.dev/gemini-api/docs/models https://ai.google.dev/gemini-api/docs/models
- Best AI models, October 2026: Opus 5.5, GPT-6, Gemini slash-digital.io https://slash-digital.io/en/insights/ai-models-2026/
- LLM Leaderboard - Comparison of AI models from OpenAI, Anthropic, Google, SpaceXAI & others | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/leaderboards/models
- Text Arena: LLM Rankings & AI Model Benchmarks arena.ai https://arena.ai/leaderboard/chat/text
- Models | Gemini API | Google AI for Developers ai.google.dev/gemini-api/docs/models https://ai.google.dev/gemini-api/docs/models
- Gemini 3.8 Flash , Google DeepMind deepmind.google https://deepmind.google/models/gemini/flash/
- Supported AI models in GitHub Copilot - GitHub Docs docs.github.com https://docs.github.com/en/copilot/reference/ai-models/supported-models
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Gemini 3.8 Flash", https://aurion.semai.id/models/google-deepmind-gemini-3-8-flash/, records of October 2026.