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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. Gemini 3.1 Flash Lite Image (Google Vertex AI)GoogleRemove
  3. Perceptron Mk1.5PerceptronRemove
gemini-3.8-flash vs gemini-3.1-flash-lite-image-vertex vs perceptron-mk1.5
AttributeGemini 3.8 Flashgemini-3.8-flashGemini 3.1 Flash Lite Image (Google Vertex AI)gemini-3.1-flash-lite-image-vertexPerceptron Mk1.5perceptron-mk1.5
Pricing
Input$0.75 / 1M—$0.15 / 1M
Output$3.75 / 1M—$1.50 / 1M
Cache Write (5m)$0.75 / 1MNot applicable$0.15 / 1M
Cache Write (1h)$0.75 / 1MNot applicable$0.15 / 1M
Cache Read$0.75 / 1MNot applicable$0.15 / 1M
Web Search$0 / 1M—$0 / 1M
Request—$0.0336 / request—
Billing—Pay Per Request—
Context
Max context1MN/A36.9K
Max outputN/AN/AN/A
Capabilities
VisionYesYesNo
Function CallingYesNoNo
JSON ModeYesNoNo
StreamingYesNoYes
Catalogue
ProviderGoogleGooglePerceptron
Categorychatimagechat
Charge typePay As You GoPay Per RequestPay As You Go
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.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.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.