Google · Gemini models version history

Dates refer to release events, not our crawl or news publication times. Announcement, preview and availability can happen on different days. This is a curated record, not an exhaustive catalogue or a guarantee of the latest version.

Company All companiesAnthropicOpenAIGoogleMetaxAIMistralNVIDIADeepSeekQwenKimi / MoonshotZ.aiMiniMaxByteDance Seed Company

Selected major model-family releases through October 1, 2026. Not comprehensive: most size variants, snapshots, specialized models and retirements omitted. Applications such as ChatGPT and Gemini app are separate products. Preview and GA events remain separate.
Sources checked through 2026-10-01

Product Gemini models

Direction: oldest → newest · Earliest documented event · Most recent documented event

1. 2023-12-06

   Gemini 1.0

   Release (see availability)

   Ultra/Pro/Nano family introduced; tuned Pro in Bard and Nano on Pixel first, Ultra later. Not all sizes/channels GA.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 1.0

   Link to this event
2. 2024-02-15

   Gemini 1.5 Pro

   Preview / limited access

   1.5 generation and experimental million-token context; private preview for selected developers/enterprises.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 1.5 Pro

   Link to this event
3. 2024-05-23

   Gemini 1.5 Pro and Flash API

   General availability

   Pro/Flash -001 GA in Gemini API, explicitly dated by changelog; not later Vertex AI/context announcements.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 1.5 Pro and Flash API

   Link to this event
4. 2024-12-11

   Gemini 2.0 Flash

   Preview / limited access

   Experimental Flash with native tools and expanded modalities in developer tools/Gemini app; GA later.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 2.0 Flash

   Link to this event
5. 2025-02-05

   Gemini 2.0 Flash

   General availability

   GA through Gemini API in AI Studio/Vertex AI; API text output, other modalities separate.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 2.0 Flash

   Link to this event
6. 2025-03-25

   Gemini 2.5 Pro

   Preview / limited access

   Pro Experimental thinking model in AI Studio and Gemini Advanced; March 26 page update not launch date.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 2.5 Pro

   Link to this event
7. 2025-06-17

   Gemini 2.5 Pro and Flash

   General availability

   Stable Pro/Flash API GA; Flash-Lite only entered preview, not GA, that day.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 2.5 Pro and Flash

   Link to this event
8. 2025-11-18

   Gemini 3 Pro

   Preview / limited access

   Stronger reasoning, multimodal understanding and agents; developer preview with app integrations.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 3 Pro

   Link to this event
9. 2026-02-19

   Gemini 3.1 Pro

   Preview / limited access

   Improved core reasoning; developer preview and consumer Gemini/NotebookLM rollout before GA.

   Historical event; see the access limitations above. Current support is not implied.

   Official sources

   • Gemini models: Gemini 3.1 Pro

   Link to this event
10. 2026-05-19

    Gemini 3.5 Flash

    General availability

    3.5 Flash GA, confirmed by API changelog; does not establish a 3.5 Pro release.

    Historical event; see the access limitations above. Current support is not implied.

    Official sources

    • Gemini models: Gemini 3.5 Flash
    • Gemini API changelog

    Link to this event
11. 2026-07-21

    Gemini 3.6 Flash

    General availability

    Stable production Flash, better coding/knowledge/multimodal efficiency; Lite/Cyber have separate availability.

    Historical event; see the access limitations above. Current support is not implied.

    Official sources

    • Gemini models: Gemini 3.6 Flash
    • Gemini API changelog

    Link to this event
12. 2026-08-13

    Gemini 3.7 Flash

    General availability

    GA with improved software engineering, web development and agent workflows.

    Historical event; see the access limitations above. Current support is not implied.

    Official sources

    • Gemini models: Gemini 3.7 Flash
    • Gemini API changelog

    Link to this event
13. 2026-09-02

    Gemini 3.8 Flash

    General availability

    Gemini API GA with stronger long-horizon coding; Flash Cyber separately restricted to trusted defenders.

    Historical event; see the access limitations above. Current support is not implied.

    Official sources

    • Gemini models: Gemini 3.8 Flash
    • Gemini API changelog

    Link to this event
14. 2026-09-30

    Gemini 4 Argon

    Preview / limited access

    Restricted rollout to trusted cyber defenders through Fairwind Program; not publicly or generally available.

    Historical event; see the access limitations above. Current support is not implied.

    Official sources

    • Gemini models: Gemini 4 Argon

    Link to this event

Related news

Recent collected reports; these dates describe our news records, not release milestones. Coverage is bounded to recent public reports.

• 2026-10-02Google · Gemini 4 Argon · Related product report · Google's Gemini 4 Argon is the latest super-smart AI that most cannot get | Mashable
• 2026-10-02Google · Gemini 4 Argon · Related product report · Google presenta Gemini 4 Argon, un modelo orientado a la programación y la ciberdefensa
• 2026-10-02Google · Gemini models · Related product report · Gemini 4 Argon : Google dévoile son nouveau modèle d’IA, voici ce qu’il faut savoir
• 2026-10-02Google · Gemini 4 Argon · Related product report · Google launches Gemini 4 Argon, but limits access over cybersecurity risks
• 2026-10-02Google · Gemini models · Related product report · Google rolls out new Gemini AI model but restricts access over safety concerns | Google | The Guardian
• 2026-10-01Google · Gemini 4 Argon · Related product report · Gemini 4 Argon, our new frontier model. Up to 1M output tokens, up from 64K. $2 in / $10 out at launch. In testing with trusted partners. Developer access as soon as possible. 👇🏻 https://t.co/MjznpzgTcZ https://t.co/t419zoMGQx
• 2026-10-01Google · Gemini models · Comparison / evaluation · Google’s new Gemini 4 Argon equals GPT-6 Astra on the Artificial Analysis Intelligence Index at 60% of the Cost per Task with discounted prices. Google is now back to being one of the top three labs in intelligence achieved Gemini 4 Argon is @GoogleDeepMind’s first proprietary model above the Flash class in over 7 months. With high reasoning (the highest available), it scores 53 on the Artificial Analysis Intelligence Index, matching GPT-6 Astra (max, 53) and 1 point ahead of GPT-6.1 Sol (max, 5
• 2026-10-01Google · Gemini 4 Argon · Related product report · Google Gemini 4 Argon is Alphabet’s most advanced model yet | Business News