Google Gemini API Pricing 2026: Plans, Costs & Comparison

Complete guide to Google Gemini API pricing in 2026. Compare Gemini 3.1 Pro, 3.5 Flash, and 3 Flash costs, 1M context, batch discounts and find the best plan.

Google Gemini Pricing Overview

Google's Gemini lineup in 2026 covers three tiers from ultra-cheap Flash Lite to frontier Pro. All models feature tiered pricing based on prompt length (<=200K vs >200K tokens).

ModelInput ($/1M)Output ($/1M)Cache Hit ($/1M)Context
Gemini 3.1 Pro Preview$2.00$12.00$0.201M
Gemini 3.5 Flash$1.50$9.00$0.15200K
Gemini 3 Flash Preview$0.50$3.00$0.05200K
Gemini 3.1 Flash-Lite Preview$0.25$1.50$0.0251M

Prices shown for prompts <=200K tokens. Input doubles for prompts >200K. Batch API at 50% discount.

Gemini Plans Breakdown

Gemini 3.1 Pro Preview ($2 / $12)

Matches GPT-5.4 on the Artificial Analysis Intelligence Index at a lower price ($2 vs $2.50 input). The standard rate applies up to 200K tokens; above that, rates double to $4/$18. Supports 1M context window.

Gemini 3.5 Flash ($1.50 / $9)

The cost-effective workhorse. Underpriced compared to Claude Sonnet 4.6 ($3/$15) and GPT-5.4 ($2.50/$15) on input. Best for high-throughput production applications that don't need frontier reasoning.

Gemini 3 Flash Preview ($0.50 / $3)

Budget multimodal tier. Competes with GPT-5.4 Mini and Claude Haiku 4.5. Fast inference speed suitable for real-time applications.

Gemini 3.1 Flash-Lite Preview ($0.25 / $1.50)

The cheapest Gemini option for bulk simple tasks: translation, extraction, classification. Good for workloads where raw throughput matters more than output quality.

What You Get

All Gemini models share:

  • Multimodal input (text, image, audio, video)
  • Context caching with storage pricing ($4.50/1M tokens/hour)
  • Batch API at 50% discount
  • Grounding with Google Search
  • Free tier: 5,000 prompts/month shared across all Gemini 3 models

Context caching note: Unlike other providers, Google charges a per-token cache rate plus an hourly storage fee ($1-$4.50 per million tokens per hour). A cache you hold but rarely hit can cost more than no cache.

What Users Are Saying

"Gemini 3.1 Pro Preview at $2/$12 is the best deal in premium AI right now. Same quality as GPT-5.4, cheaper input, and the 1M context is incredible for document analysis." — u/data_scientist, Reddit r/ArtificialIntelligence

"The 50% batch discount makes Gemini 3.5 Flash our go-to for bulk data processing. $0.75 per million input for batch is cheaper than DeepSeek standard pricing." — u/ml_pipeline, Hacker News

"Be careful with Gemini caching — the storage fee adds up fast. We cached a 500K token prompt and the storage cost exceeded the compute cost within a week." — u/cloud_dev, Reddit r/GoogleCloud

Pros & Cons

Pros:

  • 1M context on Pro tier (matches DeepSeek)
  • Strong multimodal support natively
  • Cheaper than OpenAI/Anthropic at comparable quality tiers
  • Google Cloud integration for enterprise deployments

Cons:

  • Pricing doubles above 200K tokens (sudden 2x cost spike)
  • Cache storage fees are unique and can be costly
  • Preview status — pricing may change before GA
  • Limited model selection compared to OpenAI

Who Should Choose Google Gemini

  • You need multimodal input — Gemini natively handles text, images, audio, and video
  • You're on Google Cloud — tight integration with GCP services
  • You process long documents — 1M context on Pro is best-in-class for document analysis
  • You want the best Flash-tier value — Gemini 3.5 Flash undercuts competitors on quality-adjusted pricing

How Gemini Compares to Alternatives

Compared toGemini AdvantageAlternative Advantage
OpenAI GPT-5Cheaper, 1M context, multimodalMore model tiers, mature ecosystem
Anthropic ClaudeCheaper Flash tier, 1M contextBetter reasoning, consistent 200K context
DeepSeek V4Better quality, Google ecosystem5-10x cheaper, 98% cache discount
MiniMaxBetter quality, Google infraCheaper coding models

Verdict

Google Gemini 3.1 Pro Preview offers the best price-to-quality ratio in the frontier tier. The 1M context window and native multimodal support are genuine differentiators. For Flash-tier workloads, Gemini 3.5 Flash is aggressively priced. The main risks are preview status and the complex cache storage pricing.

Share this guide

Related Guides