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Gemini 3.8 Flash Token Counter & Cost Calculator

Google frontier Flash model with native 1M context, sub-second latency, and multimodal video support

Standard Input / 1M
$0.75
Prompt tokens
Cached Input / 1M
$0.0750
Prompt caching rate
Output / 1M
$3.75
Generation completion
Context Window
1.05M
Max out: 16.4k

Interactive Cost & Token Simulator for Gemini 3.8 Flash

Live Calculation
Input Tokens2,500
Output Tokens800
Requests / Day5,000
Prompt Caching Ratio (50%)$0.075/M cached rate
Cost / Request$0.00403
Daily Spend (5,000 reqs)$20.1563
Monthly Run-Rate (30d)$604.69

Standard Workload Cost Scenarios

ScenarioInput TokensOutput TokensUncached CostWith Prompt Caching
Short Chat Query1,000500$0.00262$0.00195
Document Summarization10,0002,000$0.0150$0.00825
Codebase & Context Analysis100,00020,000$0.1500$0.0825
Batch Corpus Processing1,000,000100,000$1.125$0.4500
Technical Architecture & Pricing VerificationVerified: September 8, 2026
Model ArchitectureGemini 3.8 Flash
Provider OrganizationGoogle
Tokenizer EncodingGoogle Gemini SentencePiece (256k vocabulary)
API ConnectivityGoogle AI Studio & Vertex AI API. Native 1M context with audio/video multimodal ingestion.
Batch API 50% DiscountSupported (50% off input & output)
Tier 1 Rate Quota2,000 RPM · 4M TPM
Blended 3:1 Cost / 1M Tokens$1.50
Prompt caching is $0.075/1M after initial storage fee. Video ingested at 290 tokens/second.Google Cloud / AI Studio Pricing

Verified Pricing History

July 2026: $0.75/M input · $3.75/M output ($0.075/M cached)
Gemini 3.8 Flash release with 1M context baseline.

When to Choose Gemini 3.8 Flash

Ideal for production workloads demanding budget capabilities, deep context depth (1.05M tokens), and reliability from Google. Excellent when predictable tokenomics and prompt caching support are paramount.

When Another Model May Be Better

If your use-case requires sub-second streaming latency or ultra-high frequency classification at micro-cent pricing, consider lighter budget options such as Gemini Flash-Lite or Claude Haiku. For deep formal logic, consider dedicated reasoning models like o3.

Frequently Asked Questions About Gemini 3.8 Flash

How much does 1 million tokens cost with Gemini 3.8 Flash?

For Gemini 3.8 Flash, 1 million input tokens costs $0.75, while 1 million output tokens costs $3.75. If using prompt caching, repetitive input prefixes are discounted to $0.07 per million.

What is the context window for Gemini 3.8 Flash?

Gemini 3.8 Flash features a maximum context window of 1,048,576 tokens (~786,432 words), with a maximum output limit of 16,384 tokens per completion.

Which tokenizer does Gemini 3.8 Flash use?

Gemini 3.8 Flash utilizes the Google Gemini SentencePiece (256k vocabulary). Token counting on TokenMath runs client-side to ensure maximum privacy.

Does Gemini 3.8 Flash support prompt caching discounts?

Yes. Gemini 3.8 Flash supports prompt caching with a cached input rate of $0.07/1M (saving up to 90% on repeated input context).