GoogleGemini 1.5 Flash-8B API pricing

Generally available October 3, 2024 source
Retired September 29, 2025 source

Gemini 1.5 Flash-8B was retired on September 29, 2025. Its last price was $0.0375 per 1M input tokens and $0.15 per 1M output tokens.

Last price

Rates in effect since October 14, 2024 (launch price). Every price links to its source.

Input: $0.0375
Output: $0.15
Blended 3:1: $0.065625

Gemini 1.5 Flash-8B last rates per 1M tokens
Rate	≤128K tokens	>128K tokens
Input	$0.0375	$0.075
Cached input	$0.01	$0.02
Output	$0.15	$0.30

Launch price

Gemini 1.5 Flash-8B launched at this price on October 14, 2024.

Input: $0.0375
Output: $0.15
Blended 3:1: $0.065625

Every price event

1 verified event, newest first. No price moves. Documented since October 14, 2024.

Launch price · October 14, 2024

Rates from October 14, 2024
Rate ≤128K tokens >128K tokens

Input $0.0375 $0.075
Cached input $0.01 $0.02
Output $0.15 $0.30

GA on 2024-10-03; paid billing began 2024-10-14.
- Price: Announcement (developers.googleblog.com)
  quote
  $0.0375 per 1 million input tokens on prompts <128K $0.15 per 1 million output tokens on prompts <128K $0.01 per 1 million tokens on cached prompts <128K
- Price: Archived page (ai.google.dev, captured October 4, 2024)
  quote
  Gemini 1.5 Flash-8B ... Prompts up to 128k tokens Input Pricing $0.0375 / 1 million tokens output Pricing $0.15 / 1 million tokens Context Caching $0.01 / 1 million tokens Prompts longer than 128k Input Pricing $0.075 / 1 million tokens output Pricing $0.30 / 1 million tokens Context Caching $0.02 / 1 million tokens
- Price: Archived page (ai.google.dev, captured February 11, 2025)
  quote
  Gemini 1.5 Flash-8B ... $0.0375, prompts <= 128k tokens $0.075, prompts > 128k tokens ... $0.15, prompts <= 128k tokens $0.30, prompts > 128k tokens ... $0.01, prompts <= 128k tokens $0.02, prompts > 128k tokens
- Date: Announcement (developers.googleblog.com)
  quote
  For developers on the paid tier, billing will start on Monday October 14th.
- Date: Archived page (ai.google.dev, captured October 4, 2024)
  quote
  Gemini 1.5 Flash-8B Billing starts Oct 14th

Gaps in this history

No batch price: the docs pricing page never listed one for 1.5 Flash-8B. Docs pricing captures from 2025-02-11 to 2025-09-26 show the launch card unchanged; the row was gone by 2025-10-05.

API ids

gemini-1.5-flash-8b

Checked October 28, 2026.