Question 1

What is Gemini 3.1 Flash Lite?

Accepted Answer

Gemini 3.1 Flash Lite is a model from Google Gemini AI, released on Mar 3, 2026. Gemini 3 1 Flash Lite is a Google Gemini model for multimodal reasoning, coding, generation, and long-context tasks.

Question 2

How much does Gemini 3.1 Flash Lite cost?

Accepted Answer

On the Respan gateway, input starts at $0.25 per 1M tokens on every provider, and output starts at $1.50 per 1M tokens on every provider, after gateway discounts.

Question 3

Which providers serve Gemini 3.1 Flash Lite on Respan?

Accepted Answer

9 providers serve Gemini 3.1 Flash Lite: DeepInfra, Google Gemini AI, Inference.net, OpenRouter, Perplexity, and Google Vertex AI. Perplexity and Google Vertex AI require your own provider API key (BYOK).

Question 4

What is Gemini 3.1 Flash Lite's context window?

Accepted Answer

Gemini 3.1 Flash Lite accepts up to 1.0M tokens of context on its largest provider route.

Question 5

How do I use Gemini 3.1 Flash Lite with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "gemini/gemini-3.1-flash-lite". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Gemini 3.1 Flash Lite?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was Google Gemini AI at 245 tokens per second, and the lowest response latency was 0.6 seconds on OpenRouter. Speed varies with request size and provider.

Question 7

Where does Gemini 3.1 Flash Lite rank on the Respan Index?

Accepted Answer

Gemini 3.1 Flash Lite scores 25.2 out of 100 on the Respan Index v1.1, ranking #80 of 138 models. By category: Coding 9.9, Agents 28.7 (estimated), Reasoning 20.9, Knowledge & language 33.6, and Human preference 46.6. The Respan Index combines independent and lab-reported benchmark results into one score, using benchmark data collected by llmmetric.com.

Question 8

How does Gemini 3.1 Flash Lite score on benchmarks?

Accepted Answer

Gemini 3.1 Flash Lite has 17 published benchmark scores, including LiveCodeBench 72%, GPQA Diamond 86.9%, and OTIS Mock AIME 2024-2025 80%. Each score links to where it was published; the data is collected by llmmetric.com.

Provider	Context	Input	Output
DeepInfra`deepinfra/google/gemini-3.1-flash-lite`	1M	$0.25/M	$1.50/M
Google Gemini AI`gemini/gemini-3.1-flash-lite`	1.0M	$0.25/M	$1.50/M
Google Gemini AI`gemini/gemini-3.1-flash-lite-preview`	1.0M	$0.25/M	$1.50/M
Inference.net`inference_net/gemini-3.1-flash-lite`	1.0M	$0.25/M	$1.50/M
OpenRouter`openrouter/google/gemini-3.1-flash-lite`	1.0M	$0.25/M	$1.50/M
PerplexityBYOK only`perplexity/google/gemini-3.1-flash-lite`	1.0M	$0.25/M	$1.50/M
Google Vertex AIBYOK only`vertex_ai_beta/gemini-3.1-flash-lite`	1.0M	$0.25/M	$1.50/M
Google Vertex AIBYOK only`vertex_ai_beta/gemini-3.1-flash-lite-preview`	1.0M	$0.25/M	$1.50/M
Google Vertex AIBYOK only`vertex_ai/gemini-3.1-flash-lite`	1.0M	$0.25/M	$1.50/M

Gemini 3.1 Flash Lite

Providers

Certified where it counts.

Pricing

Cost by volume

Throughput and latency

Output speed

Time to first token

Response latency

Benchmarks

Respan Indexv1.1

Coding2

Reasoning

Apps