1,000 Gemini 3.1 Flash Lite (OpenRouter) tokens cost $0.00025 as input or $0.0015 as output. Most workloads land in between — a 70/30 input/output split costs about $0.000625. Verified Aug 26, 2026
Quick answer
For Gemini 3.1 Flash Lite (OpenRouter), 1,000 tokens cost $0.00025 as input or $0.0015 as output. A representative 70/30 workload is about $0.000625.
Method & trust
The page prices the selected token volume using the model's listed input and output rates, then applies a 70/30 input/output split for the representative workload. Cached input, batch discounts, retries, and provider fees can change the final invoice.
Interactive calculator
1,000 in · 0 out
Input price
$0.25 / 1M tokens
Output price
$1.50 / 1M tokens
Uncached pricing. Add caching and monthly projections in the full calculator.
What 1,000 tokens buys in practice
$0.0005
80% input / 20% output — short replies over conversation history.
$0.000375
90% input / 10% output — long retrieved context, grounded answers.
$0.000313
95% input / 5% output — full documents in, structured extraction out.
Same 1,000 tokens on other models
Related calculations
FAQ
1,000 input tokens cost $0.00025; 1,000 output tokens cost $0.0015. A typical 70/30 input/output mix costs about $0.000625. Rates: $0.25/M input, $1.50/M output.
A chat-style request of ~4,800 tokens (4,000 in + 800 out) means 1,000 tokens is roughly 0.2 requests. For a RAG workload with ~8,500 tokens per request, about 0.1 requests.
Yes — cached input costs $0.025/M instead of $0.25/M, a 90% discount on repeated context.