Model Tracker

Gemini 3.5 Flash-Lite

Gemini 3.5 Flash-Lite is an AI model made by Google. Google released it on 21 July 2026. It is generally available.

Gemini 3.5 Flash-Lite is an AI model made by Google. Google released it on 21 July 2026. It is generally available. It takes text, image, video, audio and returns text. Its context window is 1,048,576 tokens. Through the API it costs $0.30 per 1M tokens for input and $2.50 per 1M tokens for output. Its knowledge cutoff is March 2026.

Released: 21 July 2026 — blog.google, read 16 October 2026
Status: Generally available — ai.google.dev, read 16 October 2026
Takes: Text, Image, Video, Audio — ai.google.dev, read 16 October 2026
Returns: Text — ai.google.dev, read 16 October 2026
Open weights: Not confirmed: The maker's model page and model card do not state whether downloadable model weights are open.
Licence: Not confirmed: The maker's pages do not state a model licence by name.
Context window: 1,048,576 tokens — ai.google.dev, read 16 October 2026
Longest answer: Not confirmed: two readings disagree: 64000 and 65536
Knowledge cutoff: March 2026 — deepmind.google, read 16 October 2026
API price, input: $0.30 per 1M tokens — ai.google.dev, read 16 October 2026
API price, output: $2.50 per 1M tokens — ai.google.dev, read 16 October 2026
Where: API, Consumer app, Cloud marketplaces — deepmind.google, read 16 October 2026
Parameters: Not confirmed: The maker's model page and model card do not publish a parameter count.
Model card: https://deepmind.google/models/model-cards/gemini-3-5-flash-lite/ — deepmind.google, read 16 October 2026

Benchmarks

Measured by others, not by the maker: each score with the name the measurer gives the model and the setting it ran, its day and its licence.

Arena

Text Arena, gemini-3.5-flash-lite: 1,455 (1,450–1,459, 35,851 votes), published 15 October 2026
Code Arena (WebDev), Gemini 3.5 Flash-Lite: 1,435 (1,394–1,476, 238 votes), published 18 October 2026
Vision Arena, gemini-3.5-flash-lite: 1,266 (1,258–1,274, 8,381 votes), published 9 October 2026

Arena’s leaderboard dataset (lmarena-ai/leaderboard-dataset on Hugging Face), CC BY 4.0: ratings from people’s votes between two anonymous models, as Arena publishes them. Data · CC BY 4.0

Epoch AI

Epoch Capabilities Index, Gemini 3.5 Flash-Lite: 145.2 (142.7–146.7), as of 19 October 2026
GPQA Diamond, gemini-3.5-flash-lite_high: 83.3% (± 2.7), run 6 August 2026
GPQA Diamond, gemini-3.5-flash-lite_low: 75.8% (± 3.1), run 6 August 2026
GPQA Diamond, gemini-3.5-flash-lite_minimal: 74.2% (± 3.1), run 6 August 2026
FrontierMath, tiers 1–3, gemini-3.5-flash-lite_high: 26.0% (± 2.6), run 2 August 2026
FrontierMath, tier 4, gemini-3.5-flash-lite_high: 0.0% (± 0.0), run 2 August 2026
OTIS Mock AIME 2024–2025, gemini-3.5-flash-lite_high: 71.1% (± 6.8), run 6 August 2026
OTIS Mock AIME 2024–2025, gemini-3.5-flash-lite_low: 60.0% (± 7.4), run 6 August 2026
OTIS Mock AIME 2024–2025, gemini-3.5-flash-lite_minimal: 51.1% (± 7.5), run 6 August 2026

Epoch AI, ‘Capabilities & benchmarking’, epoch.ai/benchmarks, CC BY 4.0: Epoch AI’s own runs and its Capabilities Index. Data · CC BY 4.0

Questions

When was Gemini 3.5 Flash-Lite released?

Google released Gemini 3.5 Flash-Lite on 21 July 2026.

Is Gemini 3.5 Flash-Lite still available?

Yes: it is generally available, as Google states it.

What is the context window of Gemini 3.5 Flash-Lite?

The context window of Gemini 3.5 Flash-Lite is 1,048,576 tokens, as Google prints it.

How much does the Gemini 3.5 Flash-Lite API cost?

On the standard tier, Gemini 3.5 Flash-Lite costs $0.30 per 1M tokens for input and $2.50 per 1M tokens for output, as Google lists it.

What does Gemini 3.5 Flash-Lite take and return?

Gemini 3.5 Flash-Lite takes text, image, video, audio and returns text.

What is the knowledge cutoff of Gemini 3.5 Flash-Lite?

The knowledge cutoff of Gemini 3.5 Flash-Lite is March 2026.

Sources

Gemini 3.5 Flash-Lite (read 16 October 2026)
Models (read 16 October 2026)
Gemini Developer API pricing (read 16 October 2026)
Gemini 3.5 Flash-Lite - Model Card (read 16 October 2026)
Introducing Gemini 3.6 Flash, 3.5 Flash-Lite, and 3.5 Flash Cyber (read 16 October 2026)

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