Models

gemini-3-flash-preview:flex

vertex · 1049K ctx · 6 providers · updated 2026-08-05 00:15 UTC

Cheapest
$0.563 via Requesty
Avg price
$1.05 /1M
providers
6
(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 8 offers listed below ($1.05/1M). Add those up and divide — it matches.

ProviderRouter / Source$ in /1M$ out /1MTTFTTPSUptimeEvidence
requesty Requesty $0.250$1.50 API-measured
vertex_ai Pricebook (LiteLLM) $0.500$3.00 Official list
gemini Pricebook (LiteLLM) $0.500$3.00 Official list
vertex_ai-language-models Pricebook (LiteLLM) $0.500$3.00 Official list
gmi Pricebook (LiteLLM) $0.500$3.00 Official list
openrouter Pricebook (LiteLLM) $0.500$3.00 Official list
openrouter-best OpenRouter $0.500$3.00 API-measured
burncloud burncloud $0.500$3.00 API-measured

Price trend

Cheapest blended price, last 31 days (USD/1M): $1.125 → $1.125 → $1.125 → $1.125 → $1.125 → $1.125 → $1.125 → $1.125 → $0.5625 → $1.125 → $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-flash-preview.json. Free reuse requires attribution to tkx.org.

About

Gemini-3-flash-preview:flex is an AI model designed for text generation tasks, served by multiple inference providers on AI model marketplaces under the org tag "vertex".

AI-generated summary from public information — is this yours?

FAQ

How much does gemini-3-flash-preview:flex cost?

Cheapest measured offer right now: $0.25/1M input, $1.5/1M output via requesty — across 6 tracked providers, refreshed hourly.

Who serves gemini-3-flash-preview:flex?

6 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-flash-preview:flex 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.

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