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Mythos

The Gemini Model Glossary is a collection of every major AI model from πŸ“Google and πŸ“DeepMind, from LaMDA and PaLM through the πŸ“Gemini family, the open-weight Gemma models, and Google's image, video, and audio models, grouped by family and listed newest first. As of September 28, 2026, Google's newest model is Gemini 3.8 Flash, and its most capable Pro model is still Gemini 3.1 Pro.

Glossary

Gemini 3

  • Gemini 3.8 Flash β€” gemini-3.8-flash, released September 2, 2026: Google's newest model, tuned for long-horizon coding and autonomous agents, with a 1M-token context window and 64K output.
  • Gemini 3.8 Live β€” gemini-3.8-live, 2026: the default Live API model for low-latency voice agents, with an Extended Thinking variant for harder voice tasks.
  • Gemini 3.7 Flash β€” gemini-3.7-flash, released August 13, 2026: the previous Flash release, aimed at complex coding and agentic work.
  • Gemini 3.6 Flash β€” gemini-3.6-flash, released July 21, 2026: a Flash model balancing speed and multimodal capability, launched alongside Gemini 3.5 Flash-Lite.
  • Gemini 3.5 Flash β€” gemini-3.5-flash, released May 19, 2026 at Google I/O: generally available on day one and made the default model in the Gemini app and AI Mode in Search.
  • Gemini 3.1 Flash-Lite β€” gemini-3.1-flash-lite, previewed March 3, 2026 and stable May 7, 2026: a low-cost model scheduled to shut down May 7, 2027.
  • Gemini 3.1 Pro β€” gemini-3.1-pro-preview, released February 19, 2026: Google's most capable Pro model, still in preview, with Gemini 3.5 Pro not yet released.
  • Gemini 3 Flash β€” gemini-3-flash-preview, released December 17, 2025: brought Gemini 3 Pro-level reasoning to Flash speed and became the Gemini app's default.
  • Gemini 3 Pro β€” released November 18, 2025: the first Gemini 3 model; its preview API shut down March 9, 2026 in favor of Gemini 3.1 Pro.

Gemini 2

  • Gemini 2.5 Pro β€” gemini-2.5-pro, introduced March 2025 and stable June 2025: Google's first "thinking" Pro model, strong on reasoning and coding.
  • Gemini 2.5 Flash and Flash-Lite β€” gemini-2.5-flash and gemini-2.5-flash-lite, stable June and July 2025: fast, low-cost reasoning models.
  • Gemini 2.0 Flash β€” gemini-2.0-flash, previewed December 11, 2024 and stable February 5, 2025: built for the "agentic era"; API shut down June 1, 2026.
  • Gemini 2.0 Flash-Lite β€” gemini-2.0-flash-lite, released February 25, 2025: the cheapest Gemini 2.0 model; API shut down June 1, 2026.

Gemini 1

  • Gemini 1.5 Pro β€” released February 15, 2024: introduced a 1M-token context window, later extended to 2M tokens.
  • Gemini 1.5 Flash β€” released May 14, 2024: the first Flash model, a lighter version of 1.5 Pro.
  • Gemini 1.0 Ultra, Pro, and Nano β€” announced December 6, 2023: Google's first natively multimodal models, with Nano sized for on-device use.

Predecessors

  • Bard β€” launched March 21, 2023: Google's first public AI chatbot, renamed Gemini on February 8, 2024.
  • PaLM 2 β€” announced May 10, 2023: the model that powered Bard before Gemini.
  • PaLM β€” announced April 2022: a 540-billion-parameter language model.
  • LaMDA β€” announced May 2021: the conversational model behind Bard's first version.

Gemma (Open-Weight)

  • Gemma 4 β€” released April 2, 2026: four open models from phone-sized E2B to 31B, the first Gemma release under the Apache 2.0 license.
  • Gemma 3n β€” released June 2025: a mobile-first Gemma model for on-device use.
  • Gemma 3 β€” released March 12, 2025: open models built from Gemini 2.0 research.
  • Gemma 2 β€” released June 27, 2024: the second generation of Google's open models.
  • Gemma β€” released February 21, 2024: Google's first open-weight models, built from Gemini research.

Image

  • Nano Banana 2 and Nano Banana 2 Lite β€” gemini-3.1-flash-image and gemini-3.1-flash-lite-image, released from February 26, 2026: Google's current image generation and editing models.
  • Nano Banana Pro β€” gemini-3-pro-image, released November 20, 2025: high-end image generation built on Gemini 3 Pro.
  • πŸ“Nano Banana β€” gemini-2.5-flash-image, released August 26, 2025: the viral image-editing model; API shuts down October 2, 2026.
  • Imagen 4 β€” released June 24, 2025 in the API: Google's last standalone text-to-image model; shut down August 17, 2026.
  • Imagen 3 β€” released August 2024: shut down in the API November 10, 2025.

Video

  • Gemini Omni Flash β€” gemini-omni-1.1-flash, announced May 19, 2026: Google's first any-to-any model, turning mixed text, image, audio, and video input into edited video with native audio.
  • Veo 3.1 and Veo 3.1 Lite β€” released from October 15, 2025: Google's current dedicated video generation models, in preview.
  • πŸ“Google Veo 3 β€” announced May 20, 2025: the first widely available video model with native audio; API shut down June 30, 2026.
  • Veo 2 β€” released December 16, 2024: API shut down June 30, 2026.
  • Veo β€” announced May 14, 2024: Google's first Veo video model.

Audio and Music

  • Lyria 3.5 β€” lyria-3.5, released September 4, 2026: Google's flagship music model, generating full songs of up to three minutes.
  • Gemini 3.8 Flash TTS and Flash-Lite TTS β€” 2026: Google's current text-to-speech models, covering up to 130 languages.
  • Gemini 3.5 Transcribe β€” 2026: low-latency speech-to-text with language detection and speaker diarization.

Agents and Specialized

  • Antigravity Agent β€” antigravity-preview-09-2026, first previewed May 19, 2026: Google's general-purpose managed agent in the Gemini API.
  • Gemini Deep Research and Deep Research Max β€” April 2026 previews: agents that plan and run multi-step research.
  • Gemini 2.5 Computer Use β€” October 2025 preview: a model that operates user interfaces from screenshots.
  • Gemini Robotics ER 2 β€” 2026 preview: embodied reasoning for robots, following Gemini Robotics' debut in March 2025.
  • Genie 3 β€” announced August 5, 2025: a research world model that generates interactive 3D environments.

Contexts

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