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Google: Gemini 2.5 Flash (batch) vs ScaleDown: Summarize

Neither wins outright: Google: Gemini 2.5 Flash (batch) is the pick when you need tool / function calling, ScaleDown: Summarize when cost matters at scale.

Key numbers

SpecGoogle: Gemini 2.5 Flash (batch)ScaleDown: Summarize
ProviderGoogleScaledown
Input price (per 1M tokens)$0.15$0.04
Output price (per 1M tokens)$1.25$0
Blended price (3:1 input/output)$0.42$0.03
Cheaper than … of all models we track57%89%
Context window1.0M tokens (~1,573 pages)1M tokens (~1,500 pages)
Larger context than … of all models81%69%
Max output per response66K tokens (~49,200 words)4K tokens (~3,000 words)
Input typesfile, image, text, audio, videotext, image, file
Output typestexttext
Free variantNoNo
Listed since2025-06-172026-10-13

What it costs for real workloads

Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.

Workload (per month)Google: Gemini 2.5 Flash (batch)ScaleDown: SummarizeDifference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$36.25$3.00ScaleDown: Summarize saves $33.25
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$30.50$4.80ScaleDown: Summarize saves $25.70
Coding / tool-using agent
2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens)
$33.00$4.80ScaleDown: Summarize saves $28.20
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$19.50$3.20ScaleDown: Summarize saves $16.30
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$8.75$2.00ScaleDown: Summarize saves $6.75

Capabilities side by side

CapabilityGoogle: Gemini 2.5 Flash (batch)ScaleDown: SummarizeWhat it lets you do
Tool / function calling✓ Yes—call your APIs and run agent loops
Structured output (JSON schema)✓ Yes—return JSON that validates against your schema
Reasoning / thinking mode✓ Yes—spend extra tokens thinking before answering hard problems
Image input✓ Yes✓ Yesread screenshots, charts and scanned pages
Audio input✓ Yes—take speech or audio directly
File / PDF input✓ Yes✓ Yesaccept documents without your own parsing step
Image output——generate images, not just text
Built-in web search✓ Yes—answer from live web results
Seed (reproducible sampling)✓ Yes—repeat a generation for tests and evals
Log-probabilities——read token confidence for classification and scoring

From each model's published parameters and input/output types. “—” means not advertised, not proven absent.

Price history

Which should you choose?

Choose Google: Gemini 2.5 Flash (batch) if…

  • you need tool / function calling — to call your APIs and run agent loops; ScaleDown: Summarize does not advertise it
  • you need structured output (JSON schema) — to return JSON that validates against your schema; ScaleDown: Summarize does not advertise it
  • you need reasoning / thinking mode — to spend extra tokens thinking before answering hard problems; ScaleDown: Summarize does not advertise it
  • you need audio input — to take speech or audio directly; ScaleDown: Summarize does not advertise it
  • you need built-in web search — to answer from live web results; ScaleDown: Summarize does not advertise it
  • you need seed (reproducible sampling) — to repeat a generation for tests and evals; ScaleDown: Summarize does not advertise it
  • you generate long outputs in one go — up to 66K tokens (about 49,200 words) per response

Choose ScaleDown: Summarize if…

  • cost matters at scale — it is 93% cheaper on a typical 3:1 input/output mix ($3.00 vs $36.25 a month for 50,000 support chats)
  • you want the newer model — released 2026-10-13, 16 months after the other

Frequently asked questions

Is Google: Gemini 2.5 Flash (batch) better than ScaleDown: Summarize?

Neither wins outright: Google: Gemini 2.5 Flash (batch) is the pick when you need tool / function calling, ScaleDown: Summarize when cost matters at scale. In short: Google: Gemini 2.5 Flash (batch) when you need tool / function calling, you need structured output (JSON schema), you need reasoning / thinking mode, you need audio input, you need built-in web search, you need seed (reproducible sampling), you generate long outputs in one go; ScaleDown: Summarize when cost matters at scale, you want the newer model.

Which is cheaper, Google: Gemini 2.5 Flash (batch) or ScaleDown: Summarize?

ScaleDown: Summarize is cheaper: $0.03 vs $0.42 per 1M tokens at a typical 3:1 input/output mix, 93% less. For 50,000 support conversations a month that is $3.00 against $36.25.

How much do Google: Gemini 2.5 Flash (batch) and ScaleDown: Summarize cost per million tokens?

Google: Gemini 2.5 Flash (batch) costs $0.15 per 1M input tokens and $1.25 per 1M output tokens; ScaleDown: Summarize costs $0.04 input and $0 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, Google: Gemini 2.5 Flash (batch) or ScaleDown: Summarize?

Google: Gemini 2.5 Flash (batch): 1.0M tokens, about 1,573 pages, against 1M (about 1,500 pages) for ScaleDown: Summarize.

Do Google: Gemini 2.5 Flash (batch) and ScaleDown: Summarize support function calling and JSON output?

Tool calling — Google: Gemini 2.5 Flash (batch): yes, ScaleDown: Summarize: not advertised. JSON-schema structured output — Google: Gemini 2.5 Flash (batch): yes, ScaleDown: Summarize: not advertised.

Can Google: Gemini 2.5 Flash (batch) or ScaleDown: Summarize read images?

Yes, both accept image input.

Is Google: Gemini 2.5 Flash (batch) or ScaleDown: Summarize free to use?

No free variant is listed for either; both are pay-per-token.

What is the maximum output length of Google: Gemini 2.5 Flash (batch) and ScaleDown: Summarize?

Google: Gemini 2.5 Flash (batch) can write up to 66K tokens (about 49,200 words) per response; ScaleDown: Summarize up to 4K (about 3,000 words).

When were Google: Gemini 2.5 Flash (batch) and ScaleDown: Summarize released?

Google: Gemini 2.5 Flash (batch) was listed on 2025-06-17; ScaleDown: Summarize on 2026-10-13.

About the two models

Compare Google: Gemini 2.5 Flash (batch) with other models

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Compare ScaleDown: Summarize with other models

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