Alex Getmanearly AI signals
EN

Gemini 3.8 Flash

Google

Released Updated
Context window
1M
1,048,576 tokens
Max output
66K
65,536 tokens
Input / Output
audio, image, pdf, text, video → text

API pricing

USD / 1M tokens

InputOutputCached input
  • $0.75
  • $3.75
  • $0.075
Calculate your workload

Testing Gemini 3.8 Flash in an application

Sources checked:

Google's Gemini 3.8 Flash documentation describes the model for software engineering, agent workflows and enterprise tasks. Treat that positioning as a starting point for a trial. Measure the quality and response time of your own requests before choosing it for an interactive feature or a background job.

Use a small workload with clear acceptance checks: extract records into a schema, answer questions against supplied documents, or complete a tool-driven task. Keep source material and tools constant, and record malformed outputs, unsupported claims, failed calls and retries. The API cost worksheet converts total spend into cost per accepted result.

Match the model to the provider offer. Google AI Studio and Vertex AI are access routes with their own account configuration and availability. Use the exact API identifier and the source links attached to your selected offer on this page. The Gemini hub collects related changes; compare their dates with the official release notes when investigating changed behavior.

Input / output price · USD / 1M tokens
ModelEvidence linksInput / output price
gemini-3.8-flash
batch
gemini
API route unavailable
$0.375 / $1.875
gemini-3.8-flash
flex
gemini
API route unavailable
$0.375 / $1.875
gemini-3.8-flash
priority
gemini
API route unavailable
$1.35 / $6.75
gemini-3.8-flash
standard
gemini
API route unavailable
$0.75 / $3.75
Evidence links
  • gemini-3.8-flash · batch · gemini · Context caching price: $0.50 / million token hours · / 1,000,000 tokens per hour (storage price)
  • gemini-3.8-flash · flex · gemini · Context caching price: $0.50 / million token hours · / 1,000,000 tokens per hour (storage price)
  • gemini-3.8-flash · priority · gemini · Context caching price: $0.50 / million token hours · / 1,000,000 tokens per hour (storage price)
  • gemini-3.8-flash · standard · gemini · Context caching price: $0.50 / million token hours · / 1,000,000 tokens per hour (storage price)

Timeline

  1. · Confirmed use · Google · official articles · See what 4 builders are making with Gemini 3.8 Flash
    Excerpt
    Ashutosh Shrivastava (@ai_for_success on X) used Gemini 3.8 Flash and Google Antigravity to map the live paths of satellites, space stations, and orbital rockets
  2. · Confirmed use · Google · official articles · Introducing Gemini 3.8 Flash and 3.8 Flash Cyber
    Excerpt
    Gemini 3.8 Flash built this game with a simple prompt using a looping instruction in Google Antigravity
  3. · Confirmed use · Google · official articles · Introducing Gemini 3.8 Flash and 3.8 Flash Cyber
    Excerpt
    Gemini 3.8 Flash built this game with a simple prompt using a looping instruction in Google Antigravity
  4. · Evidence links · Gemini · API changelog
  5. · Evidence links · Gemini · API changelog
  6. · Evidence links · Gemini · deprecations
  7. · Evidence links · Gemini · deprecations
  8. · Alex's posts · Alex Getman
    Excerpt
    Right now, you can test 5 models for free in Cline: Gemini 3.8 Flash MiniMax M3.1 👀 MiMo-V2.6-Flash DeepSeek V4.1 Flash Muse Spark 1.3
  9. · Alex's posts · Alex Getman
    Excerpt
    🚨 Gemini 3.8 Flash just appeared on Arena again Looks like Google is testing a fresh checkpoint under that name. My bet: either Gemini 3.9 Flash or an early Gemini 4.0 Pro checkpoint.
  10. · Alex's posts · Alex Getman
    Excerpt
    🚨 Google released Gemini 3.8 Flash • still $0.75 per 1M input tokens • at the same price, it is noticeably stronger than Gemini 3.7 Flash across almost the entire table • especially big gains in autonomous computer use and complex scientific tasks • beats GPT 5.6 Terra, a model in the same class, on almost every benchmark

Alex's take

Signals 1

Alex's posts 1

Specifications

Gemini 3.8 Flash is a model from Google, released on 2 Sep 2026. The context window is 1,048,576 tokens. The maximum output is 65,536 tokens. Pricing is $0.75 per million input tokens and $3.75 per million output tokens.

Context window
1,048,576
Max output
65,536
Input
audio · image · pdf · text · video
Output
text
Input · USD / 1M tokens
$0.75
Output · USD / 1M tokens
$3.75
Cached input · USD / 1M tokens
$0.075

Questions

What is the context window of Gemini 3.8 Flash?

The context window is 1,048,576 tokens. The maximum output is 65,536 tokens.

How much does Gemini 3.8 Flash cost?

Pricing is $0.75 per million input tokens and $3.75 per million output tokens. Cached input is $0.075 per million.

When was Gemini 3.8 Flash released?

On 2 Sep 2026.