Verified 2026-10-07 · sourced from Google

100K Gemini 3.5 Flash-Lite Tokens — Cost Breakdown

Use this guide to benchmark budgets for 100,000 tokens. Standard pricing is $0.30 per million input tokens and $2.50 per million output tokens. Cached input, when available, reduces costs significantly for repeated contexts.

Reference rates: Developer API · paid tier

USD per million text tokens. Verified 2026-10-07 · Official source

Mode / prompt sizeInputCache readCache writeOutput
Standard$0.3$0.03Not estimated$2.5
Batch$0.15$0.02Not estimated$1.25

Cache storage: $1 per million tokens per hour, charged separately and excluded from the per-call estimate.

1,048,576 context tokens · max output 65,536. Local token counts are estimates; use the provider’s usage counts for an invoice estimate.

Text-only estimate. Local token counts are approximate; use provider-reported usage for billing. Tool, image, audio and video charges are excluded.

Gemini Developer API paid-tier text rates (not Vertex AI). Output includes thinking tokens. Cache storage is billed separately by token-hours; grounding and tools cost extra.

Scenario breakdown

Cost estimates for different input/output distributions using 100K total tokens.

ScenarioTokens inTokens outStandard costCached cost
Balanced conversation
50% input · 50% output
50,00050,000$0.140$0.127
Input-heavy workflow
80% input · 20% output
80,00020,000$0.0740$0.0524
Generation heavy
30% input · 70% output
30,00070,000$0.184$0.176
Cached system prompt
90% cached input · 10% fresh output
90,00010,000$0.0520$0.0277

Workload multipliers

Convert 100K tokens into daily and monthly run-rate budgets.

ProfileRuns/dayTokens/dayDaily costMonthly costCached dailyCached monthly
Single workload1100,000$0.140$4.20$0.0277$0.831
Daily batch (10 runs)101,000,000$1.40$42.00$0.277$8.31
Team workload (100 runs)10010,000,000$14.00$420.00$2.77$83.10

Frequently asked questions

What is the standard cost of 100K Gemini 3.5 Flash-Lite tokens?

100K tokens in a 50/50 conversation mix cost roughly $0.140 at the published Google rates.

What happens if cached input is enabled?

With cached contexts, the same 100K tokens drop to $0.127 because input costs fall to $0.030 per million tokens.

How many requests does 100K tokens cover?

If your prompts average around 3,000 tokens per call, 100K total tokens cover about 33 requests.

How fresh is the pricing information?

Prices are taken from https://ai.google.dev/gemini-api/docs/pricing and were last verified on 2026-10-07. models.json keeps this guide in sync with upstream changes.

Related resources