Skip to content
  • Models
  • Rankings
  • Ori
Sign Up
Sign Up
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Collections
  • Providers
  • Pricing
  • Business
  • Enterprise
  • Labs

Company

  • About
  • Blog
  • Careers
    Hiring
  • Privacy
  • Terms of Service
  • Trust Center
  • Support
  • Works With OR
  • Data
  • Brand

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube
  1. Home
  2. /
  3. Compare

Gemini 3.5 Flash vs DeepSeek V4 Pro 0423

Compare Gemini 3.5 Flash from Google and DeepSeek V4 Pro 0423 from DeepSeek on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Gemini 3.5 Flash vs DeepSeek V4 Pro 0423: side-by-side summary

Gemini 3.5 Flash and DeepSeek V4 Pro 0423 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 3.5 Flash, from Google, has a 1,048,576-token context window and is priced at $1.50/M tokens input, $9/M tokens output on OpenRouter.

DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.87/M tokens input, $1.74/M tokens output on OpenRouter.

Context window
  • Gemini 3.5 Flash: 1,048,576 tokens
  • DeepSeek V4 Pro 0423: 1,048,576 tokens
Price
  • Gemini 3.5 Flash: $1.50/M tokens input, $9/M tokens output
  • DeepSeek V4 Pro 0423: $0.87/M tokens input, $1.74/M tokens output
Provided by
  • Gemini 3.5 Flash: Google
  • DeepSeek V4 Pro 0423: DeepSeek
  • Gemini 3.5 Flash model details, providers and pricing
  • DeepSeek V4 Pro 0423 model details, providers and pricing