Models

gemini-3.1-flash-lite-preview

vertex_ai-language-models ↗ · 1049K ctx · 4 providers · updated 2026-08-05 00:15 UTC

Cheapest
$0.563 Official list · Vertex AI (Language)
Avg price
$0.563 /1M · 1 outlier(s) excluded
providers
4
(3 × $0.250 + $1.50) ÷ 4 = $0.563/1M — the $/1M figure blends input and output at 3:1 — that is the only way models with two different rates can be ranked on one axis. Your actual rate depends on your own input:output mix — input only $0.250, 3:1 $0.563, 1:1 $0.875, output only $1.50 per 1M.

The board shows this model's cheapest measured offer ($0.563/1M); the smaller figure under it is the mean of the 4 offers listed below ($0.563/1M). Add those up and divide — it matches. 1 offer(s) above 10x the median were left out of the average and flagged ⚠ in the table below — they are still listed, and still compete for the cheapest price.

ProviderRouter / Source$ in /1M$ out /1MTTFTTPSUptimeEvidence
vertex_ai-language-models Pricebook (LiteLLM) $0.250$1.50 Official list
gemini Pricebook (LiteLLM) $0.250$1.50 Official list
openrouter Pricebook (LiteLLM) $0.250$1.50 Official list
openrouter-best OpenRouter $0.250$1.50 API-measured
burncloud ⚠ outlier burncloud $75.00$300 API-measured

Price trend

Cheapest blended price, last 31 days (USD/1M): $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625 → $0.5625

Data & method

Cheapest ranked by blended = (3×in + out) ÷ 4; performance columns show only when a source provides them, never estimated. “Official list” = LiteLLM open pricebook (MIT); “API-measured” = provider/aggregator public APIs. Machine-readable data: /api/v1/models/gemini-3.1-flash-lite-preview.json. Free reuse requires attribution to tkx.org.

FAQ

How much does gemini-3.1-flash-lite-preview cost?

Cheapest measured offer right now: $0.25/1M input, $1.5/1M output via vertex_ai-language-models — across 4 tracked providers, refreshed hourly.

Who serves gemini-3.1-flash-lite-preview?

4 providers currently serve it. The table above lists each with input/output price, TTFT, TPS, uptime and an evidence tier.

Is the price of gemini-3.1-flash-lite-preview going up or down?

The daily candles above track the cheapest blended price ($/1M, 3:1 in:out). TKX snapshots every hour, so drops and hikes show up the same day they happen.

Related analysis

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