LLM API pricing
GPT-6 Luna vs Gemini 3.8 Flash: price per 1M tokens
Updated 2026-10-14
GPT-6 Luna costs $0.1 / $0.5 per 1M input/output tokens (OpenAI API (direct)) vs $0.75 / $3.75 for Gemini 3.8 Flash (Google API (direct)). Blended 3:1, GPT-6 Luna is -87% vs Gemini 3.8 Flash.
GPT-6 Luna by channel
| Channel | Input | Output | Cache read | Paid with |
|---|---|---|---|---|
| OpenAI API (direct) | $0.1 | $0.5 | $0.01 | card billing (no cloud credits) |
| Azure OpenAI (Foundry, Global Standard, eastus) | $0.1 | $0.5 | $0.01 | Azure credits |
Gemini 3.8 Flash by channel
| Channel | Input | Output | Cache read | Paid with |
|---|---|---|---|---|
| Google API (direct) | $0.75 | $3.75 | $0.075 | card billing (no cloud credits) |
| Google Vertex AI (Standard, Global, <=200K ctx) | $0.75 | $3.75 | $0.075 | Google Cloud credits |
Worked examples (monthly bill at list price)
| Workload | GPT-6 Luna | Gemini 3.8 Flash | Difference |
|---|---|---|---|
| Support chatbot: 100,000 × 1,000 in / 300 out | $25.00 | $187.50 | -87% |
| RAG over docs: 50,000 × 4,000 in / 500 out | $32.50 | $243.75 | -87% |
| Coding agent: 200,000 × 20,000 in / 2,000 out | $600.00 | $4,500.00 | -87% |
Tokens per $25,000 of credits
- GPT-6 Luna via Azure OpenAI (Foundry, Global Standard, eastus) (Azure credits): 125.00B tokens
- Gemini 3.8 Flash via Google Vertex AI (Standard, Global, <=200K ctx) (Google Cloud credits): 16.67B tokens
More
Cost calculator
Monthly bill: $25
Paid with Azure credits: 1000.0 months of runway.
Related cost calculators
- Amazon Bedrock AgentCore Pricing Calculator · Runtime, Gateway, Memory & Policy Costs
- Bedrock Pricing Calculator · AI Model & Tool Cost Estimator
- Amazon SageMaker AI Pricing Calculator · On-Demand Studio, Training & Inference
Prices and credit amounts are estimates and may change. Check AWS for current terms.