Question 1

What is Gemini 3.8 Flash?

Accepted Answer

Gemini 3.8 Flash is a model from Google Gemini AI, released on Sep 2, 2026. Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

Question 2

How much does Gemini 3.8 Flash cost?

Accepted Answer

On the Respan gateway, input starts at $0.23 per 1M tokens on OpenRouter, and output starts at $1.13 per 1M tokens on OpenRouter, after gateway discounts. Averaged across 4 providers, it costs $0.58 per 1M input tokens and $2.91 per 1M output tokens.

Question 3

Which providers serve Gemini 3.8 Flash on Respan?

Accepted Answer

4 providers serve Gemini 3.8 Flash: OpenRouter, Google Gemini AI, Perplexity, and Google Vertex AI. Perplexity and Google Vertex AI require your own provider API key (BYOK).

Question 4

What is Gemini 3.8 Flash's context window?

Accepted Answer

Gemini 3.8 Flash accepts up to 1.0M tokens of context on its largest provider route.

Question 5

How do I use Gemini 3.8 Flash 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-3.8-flash". 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 3.8 Flash?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was Google Gemini AI at 141 tokens per second, and the lowest response latency was 5.0 seconds on Google Gemini AI. Speed varies with request size and provider.

Question 7

Where does Gemini 3.8 Flash rank on the Respan Index?

Accepted Answer

Gemini 3.8 Flash scores 52.2 out of 100 on the Respan Index v1.1, ranking #16 of 138 models. By category: Coding 36.9, Agents 65.3, Reasoning 45.2, Knowledge & language 71.1, and Human preference 54.9. 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 3.8 Flash score on benchmarks?

Accepted Answer

Gemini 3.8 Flash has 41 published benchmark scores, including Terminal-bench 2.1 89.4%, APEX-Agents 64.3%, and GPQA Diamond 95.4%. Each score links to where it was published; the data is collected by llmmetric.com.

Provider	Context	Input	Output
OpenRouterSave 70%`openrouter/google/gemini-3.8-flash`	1.0M	$0.23/M	$1.13/M
Google Gemini AISave 20%`gemini/gemini-3.8-flash`	1.0M	$0.60/M	$3.00/M
PerplexityBYOK only`perplexity/google/gemini-3.8-flash`	1.0M	$0.75/M	$3.75/M
Google Vertex AIBYOK only`vertex_ai/gemini-3.8-flash`	1.0M	$0.75/M	$3.75/M

Gemini 3.8 Flash

Providers

Certified where it counts.

Pricing

Cost by volume

Throughput and latency

Output speed

Time to first token

Response latency

Benchmarks

Respan Indexv1.1

Coding8

Apps

Gemini 3.8 Flash FAQ

Works with your entire stack

Built for AI agents.
Break less.
Ship more.

Agents7

Reasoning9

Math6

Knowledge4

Multimodal2

Arena4

Other1