Gemini Flash

weights

closed

data

closed

code

closed

license

Proprietary(Gemini app/Search/API/enterprise, no downloadable weights)

Google's Flash line is proprietary and API-only, with no downloadable weights, so it is closed on every dimension. It is scored separately from Gemini Pro, which Google prices and positions as a distinct tier.

• https://ai.google.dev/gemini-api/terms recorded 2026-09-29

  Gemini API Additional Terms prohibit users from taking model weights: "You also may not attempt to reverse engineer, extract or replicate any component of the Services, including the underlying data or models (e.g., parameter weights)."

• https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-5/ recorded 2026-09-29

  Gemini 3.5 launch post: "3.5 Flash is available today to billions of people globally" through the Gemini app, AI Mode, Antigravity, the Gemini API and enterprise products. Searched the body for open weights, download, license and source code: none.

• https://deepmind.google/models/model-cards/gemini-3-5-flash/ recorded 2026-09-29

  Model card for Gemini 3.5 Flash: "Our models are available to downstream providers via an application program interface (API) and subject to relevant terms of use." Searched the body for download, weights, open source and license: none.

Gemini 3.5 Flash powers the Gemini app and AI Mode in Search. Adoption is read from the Gemini app's reported active-user count rather than a Flash-specific figure, since Google publishes none for Flash alone.

• https://ai.google.dev/gemini-api/docs/models recorded 2026-08-13

  Google's API model index, where the Flash line is the high-volume low-latency production tier

• https://techcrunch.com/2026/02/04/googles-gemini-app-has-surpassed-750m-monthly-active-users/ recorded 2026-08-13

  "Google's Gemini app has surpassed 750M monthly active users"

This score reads Gemini 3.8 Flash, which Google lists as its most intelligent Flash model; the 3.5 Flash release is now labeled legacy. It places in the upper part of the Artificial Analysis index, a few points below Grok 4.7 and well behind the leading group, level with Grok.

• https://ai.google.dev/gemini-api/docs/models recorded 2026-10-08

  Gemini API models page lists "Gemini 3.8 Flash Our most intelligent Flash model" and "Gemini 3.5 Flash Our legacy Flash model", and lists "Gemini 3.1 Pro" (gemini-3.1-pro-preview) as the current Pro model, marked Preview.

• https://artificialanalysis.ai/leaderboards/models recorded 2026-10-08

  The leaderboard's embedded model records, ranked by intelligenceIndex, put Claude Opus 5.5 (Max) first at 57.62, then Claude Sonnet 5.5 (Max) 56.0, Claude Fable 5.1 (Max) 53.35, GPT-6 Astra (Max) 52.67, Gemini 4 Argon (High) 52.56, GPT-6.1 Sol (Max) 51.83 and Muse Spark 1.3 (Max) 48.09 among models not marked deprecated; Grok 4.7 (Xhigh) follows at 46.45, Gemini 3.8 Flash (High) at 40.93, K2 Horizon 375B A23B at 30.5 and Gemini 3.1 Pro Preview at 29.72. The digest drifts between fetches because the page carries live pricing and throughput figures.

• https://artificialanalysis.ai/models/gemini-3-8-flash recorded 2026-10-08

  Gemini 3.8 Flash (High) "scores 41 on the Artificial Analysis Intelligence Index, placing it well above average among comparable models (median: 26)"; Intelligence rank "# 50 / 225".