Gemini 3.1 Flash Lite

Tool callingStructured outputReasoningImage inputAudio inputVideo inputFile input

Website

Low-latency Gemini model for high-volume multimodal and agent workloads

Context: 1.0M
Released: 5mo ago
Input / 1M tokens: $0.25
Output / 1M tokens: $1.50
Cached input / 1M tokens: $0.02
Cache write / 1M tokens: $0.08

Sources:models.devOpenRouter

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

Other published benchmarks

Evaluation	Reported score and source
FrontierMath-Tiers-1-3-v2-Private	27.7% Epoch AI · gemini-3.1-flash-lite_high Reasoning effort: high Epoch AI evaluation
FrontierMath-Tiers-1-3-v2-Private	22.5% Epoch AI · gemini-3.1-flash-lite_low Reasoning effort: low Epoch AI evaluation
FrontierMath-Tiers-1-3-v2-Private	21.4% Epoch AI · gemini-3.1-flash-lite_minimal Reasoning effort: minimal Epoch AI evaluation
GPQA diamond	81.8% Epoch AI · gemini-3.1-flash-lite_high Reasoning effort: high Epoch AI evaluation
GPQA diamond	74.2% Epoch AI · gemini-3.1-flash-lite_low Reasoning effort: low Epoch AI evaluation
GPQA diamond	73.7% Epoch AI · gemini-3.1-flash-lite_minimal Reasoning effort: minimal Epoch AI evaluation
OTIS Mock AIME 2024-2025	80.0% Epoch AI · gemini-3.1-flash-lite_high Reasoning effort: high Epoch AI evaluation
OTIS Mock AIME 2024-2025	44.4% Epoch AI · gemini-3.1-flash-lite_low Reasoning effort: low Epoch AI evaluation
OTIS Mock AIME 2024-2025	37.8% Epoch AI · gemini-3.1-flash-lite_minimal Reasoning effort: minimal Epoch AI evaluation

Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.

Specifications

Developer: Google DeepMind
Model family: Gemini
Type: Language model
Predecessor: —
Successor: —
Models built on this: Gemini 3.5 Flash Litebased on
Released: May 7, 2026
Model ID: google/gemini-3.1-flash-lite
Openness: Closed
License: —
Input modalities: text, image, video, file, audio
Output modalities: text
Modality: text+image+file+audio+video->text
Tokenizer: Gemini
Max output tokens: 66K
Knowledge cutoff: 2025-01
Hugging Face: —
Source freshness: Metadata synced Oct 8, 2026, 10:17 PM UTC

Additional source evidence

Source model: google/gemini-3.1-flash-lite
Source family: gemini-flash-lite
Last updated: 2026-05-07
Knowledge cutoff: 2025-01
Model context: 1.0M
Model output limit: 66K
Open weights: No
File attachments: Yes
Reasoning: Yes
Tool calling: Yes
Structured output: Yes
Temperature control: Yes

Complete source record (JSON)

{
  "id": "google/gemini-3.1-flash-lite",
  "name": "Gemini 3.1 Flash Lite",
  "description": "Low-latency Gemini model for high-volume multimodal and agent workloads",
  "family": "gemini-flash-lite",
  "last_updated": "2026-05-07",
  "knowledge": "2025-01",
  "attachment": true,
  "reasoning": true,
  "tool_call": true,
  "structured_output": true,
  "temperature": true,
  "modalities": {
    "input": [
      "text",
      "image",
      "video",
      "audio",
      "pdf"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 1048576,
    "output": 65536
  },
  "release_date": "2026-05-07",
  "open_weights": false
}

Infrastructure

Provider availability

All providers

Provider	Endpoint	Context	Input /M tokens	Output /M tokens	Cached input /M tokens	Cache write /M tokens	Uptime 1d	Data handling
Google	google-vertex/global/flex	1.0M	$0.13	$0.75	$0.01	$0.04	99.72%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/global/flexBatch pricing	1.0M	$0.13	$0.75	$0.01	$0.04	99.86%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google AI Studio	google-ai-studio/flex	1.0M	$0.13	$0.75	$0.01	$0.04	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google AI Studio	google-ai-studio/flexBatch pricing	1.0M	$0.13	$0.75	$0.01	$0.04	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/global	1.0M	$0.25	$1.50	$0.02	$0.08	99.93%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/globalBatch pricing	1.0M	$0.25	$1.50	$0.02	$0.08	99.86%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google AI Studio	google-ai-studio	1.0M	$0.25	$1.50	$0.02	$0.08	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google AI Studio	google-ai-studioBatch pricing	1.0M	$0.25	$1.50	$0.02	$0.08	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/eu	1.0M	$0.28	$1.65	$0.03	$0.08	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/us	1.0M	$0.28	$1.65	$0.03	$0.08	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/euBatch pricing	1.0M	$0.28	$1.65	$0.03	$0.08	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/usBatch pricing	1.0M	$0.28	$1.65	$0.03	$0.08	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/global/priority	1.0M	$0.45	$2.70	$0.05	$0.15	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google	google-vertex/global/priorityBatch pricing	1.0M	$0.45	$2.70	$0.05	$0.15	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google AI Studio	google-ai-studio/priority	1.0M	$0.45	$2.70	$0.05	$0.15	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15
Google AI Studio	google-ai-studio/priorityBatch pricing	1.0M	$0.45	$2.70	$0.05	$0.15	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15

Provider data:OpenRouter

Text provenance

Gemini app/web

Google SynthID text watermarking

Google DeepMind says text generated in the Gemini app and web experience is watermarked with SynthID by adjusting token probabilities.

Official explanation