DeepSeek V4 Pro vs Gemini 3.5 Flash API Price Comparison

DeepSeek V4 ProMid-tier
Official
$0.4350
/ 1M tokens
Best Price
$0.4350
/ 1M tokens
7 providers · 1049K Context
Gemini 3.5 FlashMid-tier
Official
$1.5000
/ 1M tokens
Best Price
$1.5000
/ 1M tokens
4 providers · 1000K Context · 👁 Vision
At official prices, DeepSeek V4 Pro is ~71% cheaper. At the best relay price, DeepSeek V4 Pro is ~71% cheaper.

Price Comparison

DeepSeek V4 ProGemini 3.5 Flash
Official input / 1M tokens$0.4350$1.5000
Official output / 1M tokens$0.8700$9.0000
Cheapest input / 1M tokens$0.4350$1.5000
Cheapest output / 1M tokens$0.8700$9.0000
providers74
Context1049K1000K
Vision

DeepSeek V4 Pro — All Providers

Detail page →
ProviderInput / 1MAPI
Official
DeepSeekOfficial🇨🇳VisaMC支付宝微信Live
$0.4350
Try →
Relay / Aggregator
OpenRouterRelayLowest🌐VisaMCCryptoLive
$0.4350
Try →
YunWu AIRelay🇨🇳支付宝微信MediumLive
$1.0241
Try →
Deep InfraRelay🌐VisaMCLive
$1.3000
Try →
Fireworks AIRelay🌐VisaMCLive
$1.7400
Try →
SiliconFlowRelay🇨🇳支付宝微信Live
$1.7708
Try →
Together AIRelay🌐VisaMCPayPalLive
$2.1000
Try →

Gemini 3.5 Flash — All Providers

Detail page →
ProviderInput / 1MAPI
Official
Google AIOfficial🌐VisaMCGCP👁Live
$1.5000
Try →
Relay / Aggregator
302.AIRelayLowest🇨🇳支付宝微信Live
$1.5000
Try →
OpenRouterRelayLowest🌐VisaMCCrypto👁Live
$1.5000
Try →
YunWu AIRelay🇨🇳支付宝微信MediumLive
Try →

Frequently Asked Questions

Which is cheaper, DeepSeek V4 Pro or Gemini 3.5 Flash?

At official price, DeepSeek V4 Pro is cheaper by ~71%. At the best relay price, DeepSeek V4 Pro with a ~71% difference.

What context window do DeepSeek V4 Pro and Gemini 3.5 Flash support?

DeepSeek V4 Pro has a 1049K token context window; Gemini 3.5 Flash has 1000K tokens.

Do DeepSeek V4 Pro and Gemini 3.5 Flash support image input?

DeepSeek V4 Pro does not support image input; Gemini 3.5 Flash supports image input.

What is the cheapest way to access DeepSeek V4 Pro or Gemini 3.5 Flash?

DeepSeek V4 Pro's lowest input price is $0.4350/1M tokens (OpenRouter). Gemini 3.5 Flash's is $1.5000/1M tokens (302.AI). Relay providers typically offer lower prices with different SLA terms.

Related

DeepSeek V4 Pro API PricesGemini 3.5 Flash API PricesAll Language Model APIs
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