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GPT-6 Luna vs Gemini 3.8 Flash price

Input, output, cached and batch prices, every route and a month of tokens, side by side.

GPT-6 LunaGemini 3.8 Flash

A month of tokens

  • GPT-6 Luna$20.00
  • Gemini 3.8 Flash$150.00

100M input and 20M output tokens, list price. Use your own numbers.

Side by side

GPT-6 LunaGemini 3.8 Flash
Input per 1M$0.1$0.75
Output per 1M$0.5$3.75
Cached input$0.01$0.075
Batch in / out$0.05 / $0.25$0.375 / $1.88
Blended (3:1)$0.2$1.5
Context1.05M1M
Routes76
ReleasedSep 22, 2026Sep 2, 2026
Leadersboard scoren/a15 (#13)

On the price map

$0.03$0.1$0.3$1$3$10$30$100$0.03$0.1$0.3$1$3$10$30$100$300Input $ per 1M tokensOutput $ per 1M tokensxxZZDMOOOOOOOOOOOOOOOOZDGMMDMGDQMGGMMZGGDDGGGGGGGGMOOOZQAQQAQQQAAAQAQxQQAQQAQAAAAQQQQxxxOOOOOOOOOOOOOOOOOAAOMMQQQMGGMQQQQQQQMMMMQQQQQQQMQQQQxMMCZZZZZZZAAAOAOOOOOOOACDDDDDMDDMGGZMOQQQMOOZZQMMQQQQQGGGMMMMMMOOOMQCAOCCOOOOOOMQGGGZMDMMGMMQQQ
Size: context window, 8K to 2MEqual blended cost (3:1) 243 models, lower left is cheaper

Every route

GPT-6 Luna

  • OpenAIflex-50%$0.05 / $0.25cached $0.005
  • Azure AI Foundrydefault region$0.1 / $0.5cached $0.01
  • OpenAI (list)the lab's own API$0.1 / $0.5cached $0.01
  • AWS Bedrockus-east-1+10%$0.11 / $0.55cached $0.011
  • Azure AI Foundryeu+10%$0.11 / $0.55cached $0.011
  • Azure AI Foundryus+10%$0.11 / $0.55cached $0.011
  • OpenAIfast+100%$0.2 / $1cached $0.02

Gemini 3.8 Flash

  • Google Vertex AIglobal-flex-50%$0.375 / $1.88cached $0.037
  • Google Gemini APIflex-50%$0.375 / $1.88cached $0.037
  • Google Vertex AIglobal$0.75 / $3.75cached $0.075
  • Google Gemini API (list)the lab's own API$0.75 / $3.75cached $0.075
  • Google Vertex AIglobal-priority+80%$1.35 / $6.75cached $0.135
  • Google Gemini APIpriority+80%$1.35 / $6.75cached $0.135

List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Weekly: LLM API list prices that changed, Thursday mornings.