Gemini 3.1 Flash-Lite Preview
Googleai.google.dev/gemini-api/docs/models/gemini-3.1-
Our most cost-efficient multimodal model, offering the fastest performance for high-frequency, lightweight tasks.
Updated 32 min ago · first seen 11 Sept 2026
model_01M293VBT564STN5728B9ZTBGA
- Context
- 1.05M tokens
- T1 · 46 min ago
- Released
- 3 Mar 2026
- T2 · 32 min ago
Specification
- Family
- Gemini
Source:Google AI for Developers (Gemini API docs)T1observed 51 min agohigh
- Release date
- 3 Mar 2026
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Status
- retired
Source:Google AI for Developers (Gemini API docs)T1observed 51 min agohigh
- Context window
- 1.05M tokens
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Max output
- 65.5K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Modalities
- audio, image, pdf, text, video
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Input modalities
- text, image, video, audio, pdf
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Output modalities
- text
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Tokenizer
- Gemini
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- API model id
- gemini-3.1-flash-lite-preview
Source:Google AI for Developers (Gemini API docs)T1observed 51 min agohigh
- Official page
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Capabilities
- Caching, Code execution, File search, Function calling, Grounding with Google Maps, Search grounding, Structured outputs, Thinking, URL context
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- File input
- Yes
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Latest update
- 2026-03
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Openrouter id
- google/gemini-3.1-flash-lite-preview
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
- Supported parameters
- include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_p
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
22
Source tiers
T1T217 / 5
Freshest observation
32 min ago
Conflicts
2 flagged
Modalities
- Modalities
- audioimagepdftextvideo
- Input
- textimagevideoaudiopdf
- Output
- text
Capabilities
Tool calling
Yes
Google AI for Developers (Gemini API docs) · T1
Structured output
Yes
Google AI for Developers (Gemini API docs) · T1
Reasoning
Yes
Google AI for Developers (Gemini API docs) · T1
Vision
Yes
Google AI for Developers (Gemini API docs) · T1
Audio
Yes
Google AI for Developers (Gemini API docs) · T1
Fine-tuning available
Unavailable
- Context window
- 1.05M tokens
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Max output
- 65.5K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 46 min agohigh
- Tokenizer
- Gemini
Source:OpenRouter public model & pricing listingT2observed 32 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| Google Gemini APIgoogle/gemini-3.1-flash-lite-preview | $0.25 | $1.5 | $0.025 | — | 1.05M | 32 min ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Google Gemini API
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history · Release date
Release daterelease_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 3 Mar 2026 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Google Gemini API lists Gemini 3.1 Flash-Lite Preview at $0.25 in / $1.5 out per 1M tokens
openrouterNew model: Gemini 3.1 Flash-Lite Preview (Google)
google
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/models/gemini-3.1-flash-lite-preview | model_page | T1· Official | 40 min ago | 2 |
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/models | model_docs | T1· Official | 43 min ago | 3 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 32 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.