Gemini 3.8 Flash Pricing & Token Economics
Google's breakthrough low-latency multimodal model with 1M+ context window, ultra-fast generation speeds, and unprecedented cost efficiency.
Normalized Token Pricing Matrix
Real-time input, completion, and cache rates normalized to $/1M tokens.
Cost for prompts, instructions, document retrieval, and system context sent into the model.
Cost for generated text, code, tool calls, and structured JSON responses returned by the model.
Massive 75% savings on repeated context, documents, and system instructions.
Standard industry benchmark assuming 75% prompt reads and 25% completion generation.
Gemini 3.8 Flash Monthly Bill Estimator
Estimated monthly costs across four standardized enterprise and developer workloads.
| Workload Scenario | Monthly Token Volume | Standard Bill | With Prompt Caching |
|---|---|---|---|
| Customer Support Chatbot 10M prompt tokens + 2.5M output tokens per month | 12.5M tokens (10M in / 2.5M out) | $1.50/mo | $1.11/mo -26% |
| Document Analysis & RAG 30M prompt tokens (PDFs/context) + 3M output summaries | 33.0M tokens (30M in / 3M out) | $3.15/mo | $1.97/mo -38% |
| Coding Agent / IDE Swarm 60M prompt tokens (repo context) + 15M code completions | 75.0M tokens (60M in / 15M out) | $9.00/mo | $6.64/mo -26% |
| Enterprise Agentic Workflow 120M prompt tokens (reasoning loops) + 30M output actions | 150.0M tokens (120M in / 30M out) | $18.00/mo | $13.27/mo -26% |
Need custom token inputs or prompt volumes?
Use our interactive multi-model token calculator to test exact prompt and completion sliders.
Architecture & Capabilities
Technical parameters, supported modalities, and optimal developer use cases.
🎯 Recommended Use Cases
High-throughput live conversational agents, real-time video/audio streaming analysis, ultra-cheap bulk document pipelines
Supported Modalities
📐 Context & Output Limits
- Maximum Context Window: 1,048,576 tokens (1.0M)
- Maximum Output Length: 65,536 tokens
- Speed / Latency Tier: Ultra Fast
- Official Provider: Google Cloud / AI Studio
Frequently Asked Questions
Everything you need to know about Gemini 3.8 Flash API pricing and token calculations.
How much does Gemini 3.8 Flash cost per 1M tokens?
Gemini 3.8 Flash charges $0.07 per 1M input tokens and $0.30 per 1M output tokens. For standard balanced workloads (3:1 input:output ratio), the effective blended rate is $0.131/1M tokens.
Does Gemini 3.8 Flash support prompt caching?
Yes. Cached prompt reads are billed at $0.0187 per 1M tokens, saving you up to 75% on repeated context, RAG documents, and system instructions.
What is Gemini 3.8 Flash's maximum context window?
Gemini 3.8 Flash supports up to 1,048,576 tokens (1.0M) in its context window, allowing you to ingest large files and multi-turn chat history with up to 65,536 tokens generated per response.
How does Gemini 3.8 Flash compare to other models?
With a CostRatio rating of A+, Gemini 3.8 Flash provides competitive token economics for budget & fast tasks. Review the peer comparison table above to compare input and completion rates directly against alternative models.
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