Cyberax AI Playbook
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Model · Google · Text

Gemini 3.1 Flash-Lite

Google's low-latency Gemini 3-series workhorse for straightforward multimodal tasks at scale. It is designed for high-frequency agent routing, extraction, translation, and summarization work.

Modality
Text
License
Proprietary (Proprietary)
Context window
1,048,576 tokens
Released
May 7, 2026
Last verified
September 8, 2026
Runs locally
No
Also handles
vision, speech-to-text

Strengths

  • 1M-token context window at the cheapest Gemini 3 tier
  • Supports text, image, video, audio, and PDF inputs
  • Good fit for routing, extraction, summarization, and high-volume translation

Weaknesses

  • Less depth than Gemini 3.1 Pro on open-ended work
  • Closed weights

Try it

WhereTypeNotes
Google AI Studio hosted-api Free tier / paid scale-up
Vertex AI hosted-api GCP enterprise

Version history

  1. Gemini 3.8 Flash Sep 2026
  2. Gemini 3.5 Flash-Lite Jul 2026
  3. Gemini 3.5 Flash May 2026 Deprecated
  4. Gemini 3.1 Flash-Lite May 2026 Current Deprecated
  5. Gemini 3.1 Pro Preview May 2026

Change log

  • — Deprecated by Google — the deprecations page gives a 2027-05-07 shutdown and names Gemini 3.5 Flash-Lite (2026-07-21) as the replacement.
  • — Added after verification of the Gemini 3 family rollout in current Google model docs.