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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. Gemini 3.8 FlashGoogleRemove
  2. Perceptron Mk1.5PerceptronRemove
  3. Gemini 3.1 Flash Lite Image (Google Vertex AI)GoogleRemove
gemini-3.8-flash vs perceptron-mk1.5 vs gemini-3.1-flash-lite-image-vertex
AttributeGemini 3.8 Flashgemini-3.8-flashPerceptron Mk1.5perceptron-mk1.5Gemini 3.1 Flash Lite Image (Google Vertex AI)gemini-3.1-flash-lite-image-vertex
Pricing
Input$0.75 / 1M$0.15 / 1M—
Output$3.75 / 1M$1.50 / 1M—
Cache Write (5m)$0.75 / 1M$0.15 / 1MNot applicable
Cache Write (1h)$0.75 / 1M$0.15 / 1MNot applicable
Cache Read$0.75 / 1M$0.15 / 1MNot applicable
Web Search$0 / 1M$0 / 1M—
Request——$0.0336 / request
Billing——Pay Per Request
Context
Max context1M36.9KN/A
Max outputN/AN/AN/A
Capabilities
VisionYesNoYes
Function CallingYesNoNo
JSON ModeYesNoNo
StreamingYesYesNo
Catalogue
ProviderGooglePerceptronGoogle
Categorychatchatimage
Charge typePay As You GoPay As You GoPay Per Request
Released—2026-09-25—
Description
SummaryGemini 3.8 Flash is Google's most intelligent Flash-class model, delivering significant improvements over Gemini 3.7 Flash across software engineering, agentic workflows, and complex multi-step reasoning. Designed to combine strong capability with Flash-tier efficiency, it is well suited for coding assistants, autonomous agents, and high-throughput production workflows that require responsive performance without sacrificing reasoning quality.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Gemini 3.1 Flash Lite Image served from Google Vertex AI. Billed per image at US$0.0336. Call it through /v1/chat/completions with stream set to false; the image is returned in the message content as a base64 data URI. Maximum output resolution is 1K. A request for a larger size returns a 1K image with the same aspect ratio at the same price. When a size is reduced, the response carries an X-Image-Resolution-Capped header with the requested and delivered size.