gemini-2.5-flash

Gemini 2.5 Flash API — price per token

Gemini 2.5 Flash is the proven previous-generation Flash — a stable workhorse for production pipelines evaluated against the 2.5 line.

Pricing per 1M tokens

RateOfficial GoogleHere (−50%)
Input$0.3$0.15
Cached input$0.03$0.015
Output$2.5$1.25

Input

Official Google
$0.3
Here (−50%)
$0.15

Cached input

Official Google
$0.03
Here (−50%)
$0.015

Output

Official Google
$2.5
Here (−50%)
$1.25

Every request is metered at the official rate first, then the flat 50% B2C discount is subtracted before it touches your prepaid balance. Context window: 1M tokens. Max output: 64K tokens.

Best for

  • Pipelines tuned and evaluated against Gemini 2.5 Flash.
  • Balanced coding and content workloads.
  • Teams migrating gradually to the Gemini 3 line.

Good to know

  • Cached input bills at 10% of input; caching is automatic on repeated prefixes.
  • Same 1M-token context and 64K max output as the newer Flash models.

How to use Gemini 2.5 Flash

Create a free account, generate one key, and point any Gemini-compatible tool at https://gemini.api.apitoken.sale with model ID gemini-2.5-flash — the native /v1beta/models/gemini-2.5-flash:generateContent surface works, authenticated with x-goog-api-key. New accounts include $10 of API usage at official prices — enough to test the model before topping up.

Frequently asked questions

How much does the Gemini 2.5 Flash API cost?

Officially $0.30 per 1M input tokens and $2.50 per 1M output tokens, with cached input at $0.03. With the flat 50% apiToken.sale discount that is $0.15/$1.25.

What is the model ID for Gemini 2.5 Flash?

gemini-2.5-flash. Use it unchanged with the Google GenAI SDK or any Gemini-compatible tool pointed at https://gemini.api.apitoken.sale, with the key sent as x-goog-api-key.

Gemini 2.5 Flash or 3.5 Flash?

2.5 Flash is far cheaper per token and proven in production; 3.5 Flash is the stronger current model. Keep 2.5 Flash where prompts and evals are pinned to it, default to the 3.x line for new work.

Run Gemini 2.5 Flash on the native Gemini API at a flat 50% off — instant key, prepaid balance, card or crypto.