Flash — fastest and cheapest, lighter reasoningCommercial API

Gemini 3.5 Flash (batch) Pricing

Google · google-gemini-3-5-flash-batch

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Input / 1M tokens

$0.750

Output / 1M tokens

$4.50

Context window

1,048,576 tokens

≈ 1,398 pages of text

Max output

65,536 tokens

What it costs in practice

Typical request (1,200 in + 400 out tokens)$0.0027

1,000 requests / month$2.70/mo 10,000 requests / month$27.00/mo 100,000 requests / month$270.00/mo

Estimate your own workloadOpens the calculator with Gemini 3.5 Flash (batch) preloaded — adjust volume and token counts there.

Price history

Only one price point recorded so far.

The staircase chart appears once a price change is detected.

What it excels at

Handles high-volume multimodal inputs with 1M context at low per-token cost. Suitable for batch text and media classification or extraction workloads.

The business tradeoff

Reasoning depth and instruction following lag behind non-Flash Gemini variants. Batch-oriented deployment can add queuing latency for interactive use.

Cheaper from Google

Gemini 3.6 Flash (batch)Google$0.0024/ typical request Gemma 4 26B A4BGoogle$0.0002/ typical request

Same tier from other providers

GPT-5.4 NanoOpenAI$0.0007/ typical request Claude Haiku 4.5Anthropic$0.0032/ typical request Llama 3.3 70BMeta$0.0003/ typical request

Head-to-head

Gemini 3.5 Flash (batch) vs GPT-5.4 Nano →Gemini 3.5 Flash (batch) vs Claude Haiku 4.5 →Gemini 3.5 Flash (batch) vs Llama 3.3 70B →

Vendor list rates, as of Jul 28, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.