DeepSeek: DeepSeek V4 Flash 0731 (batch) vs Google: Gemini 3.7 Flash (batch)

Neither wins outright: DeepSeek: DeepSeek V4 Flash 0731 (batch) is the pick when cost matters at scale, Google: Gemini 3.7 Flash (batch) when you need image input.

Key numbers

SpecDeepSeek: DeepSeek V4 Flash 0731 (batch)Google: Gemini 3.7 Flash (batch)
ProviderDeepSeekGoogle
Input price (per 1M tokens)$0.11$0.38
Output price (per 1M tokens)$0.33$1.88
Blended price (3:1 input/output)$0.17$0.75
Cheaper than … of all models we track73%45%
Context window1.0M tokens (~1,573 pages)1.0M tokens (~1,573 pages)
Larger context than … of all models81%81%
Max output per response944K tokens (~707,800 words)66K tokens (~49,200 words)
Input typestexttext, image, video, file, audio
Output typestexttext
Free variantNoNo
Listed since2026-07-312026-08-13
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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)DeepSeek: DeepSeek V4 Flash 0731 (batch)Google: Gemini 3.7 Flash (batch)Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$14.85$65.63DeepSeek: DeepSeek V4 Flash 0731 (batch) saves $50.77
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$16.50$63.75DeepSeek: DeepSeek V4 Flash 0731 (batch) saves $47.25
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)
$17.16$67.50DeepSeek: DeepSeek V4 Flash 0731 (batch) saves $50.34
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$10.78$41.25DeepSeek: DeepSeek V4 Flash 0731 (batch) saves $30.47
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$5.83$20.63DeepSeek: DeepSeek V4 Flash 0731 (batch) saves $14.79

Capabilities side by side

CapabilityDeepSeek: DeepSeek V4 Flash 0731 (batch)Google: Gemini 3.7 Flash (batch)What it lets you do
Tool / function calling✓ Yes✓ Yescall your APIs and run agent loops
Structured output (JSON schema)✓ Yes✓ Yesreturn JSON that validates against your schema
Reasoning / thinking mode✓ Yes✓ Yesspend extra tokens thinking before answering hard problems
Image input—✓ Yesread screenshots, charts and scanned pages
Audio input—✓ Yestake speech or audio directly
File / PDF input—✓ Yesaccept documents without your own parsing step
Image output——generate images, not just text
Built-in web search—✓ Yesanswer from live web results
Seed (reproducible sampling)—✓ Yesrepeat a generation for tests and evals
Log-probabilities✓ Yes—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

DateModelInput / 1MOutput / 1M
2026-09-09DeepSeek: DeepSeek V4 Flash 0731 (batch)$0.11$0.33
2026-09-03Google: Gemini 3.7 Flash (batch)$0.38$1.88

Which should you choose?

Choose DeepSeek: DeepSeek V4 Flash 0731 (batch) if…

  • cost matters at scale — it is 78% cheaper on a typical 3:1 input/output mix ($14.85 vs $65.63 a month for 50,000 support chats)
  • you need log-probabilities — to read token confidence for classification and scoring; Google: Gemini 3.7 Flash (batch) does not advertise it
  • you generate long outputs in one go — up to 944K tokens (about 707,800 words) per response

Choose Google: Gemini 3.7 Flash (batch) if…

  • you need image input — to read screenshots, charts and scanned pages; DeepSeek: DeepSeek V4 Flash 0731 (batch) does not advertise it
  • you need audio input — to take speech or audio directly; DeepSeek: DeepSeek V4 Flash 0731 (batch) does not advertise it
  • you need file / PDF input — to accept documents without your own parsing step; DeepSeek: DeepSeek V4 Flash 0731 (batch) does not advertise it
  • you need built-in web search — to answer from live web results; DeepSeek: DeepSeek V4 Flash 0731 (batch) does not advertise it
  • you need seed (reproducible sampling) — to repeat a generation for tests and evals; DeepSeek: DeepSeek V4 Flash 0731 (batch) does not advertise it

Frequently asked questions

Is DeepSeek: DeepSeek V4 Flash 0731 (batch) better than Google: Gemini 3.7 Flash (batch)?

Neither wins outright: DeepSeek: DeepSeek V4 Flash 0731 (batch) is the pick when cost matters at scale, Google: Gemini 3.7 Flash (batch) when you need image input. In short: DeepSeek: DeepSeek V4 Flash 0731 (batch) when cost matters at scale, you need log-probabilities, you generate long outputs in one go; Google: Gemini 3.7 Flash (batch) when you need image input, you need audio input, you need file / PDF input, you need built-in web search, you need seed (reproducible sampling).

Which is cheaper, DeepSeek: DeepSeek V4 Flash 0731 (batch) or Google: Gemini 3.7 Flash (batch)?

DeepSeek: DeepSeek V4 Flash 0731 (batch) is cheaper: $0.17 vs $0.75 per 1M tokens at a typical 3:1 input/output mix, 78% less. For 50,000 support conversations a month that is $14.85 against $65.63.

How much do DeepSeek: DeepSeek V4 Flash 0731 (batch) and Google: Gemini 3.7 Flash (batch) cost per million tokens?

DeepSeek: DeepSeek V4 Flash 0731 (batch) costs $0.11 per 1M input tokens and $0.33 per 1M output tokens; Google: Gemini 3.7 Flash (batch) costs $0.38 input and $1.88 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, DeepSeek: DeepSeek V4 Flash 0731 (batch) or Google: Gemini 3.7 Flash (batch)?

Both take 1.0M tokens per request — roughly 1,573 pages of text.

Do DeepSeek: DeepSeek V4 Flash 0731 (batch) and Google: Gemini 3.7 Flash (batch) support function calling and JSON output?

Tool calling — DeepSeek: DeepSeek V4 Flash 0731 (batch): yes, Google: Gemini 3.7 Flash (batch): yes. JSON-schema structured output — DeepSeek: DeepSeek V4 Flash 0731 (batch): yes, Google: Gemini 3.7 Flash (batch): yes.

Can DeepSeek: DeepSeek V4 Flash 0731 (batch) or Google: Gemini 3.7 Flash (batch) read images?

Only Google: Gemini 3.7 Flash (batch) accepts image input; DeepSeek: DeepSeek V4 Flash 0731 (batch) is text-only for input.

Is DeepSeek: DeepSeek V4 Flash 0731 (batch) or Google: Gemini 3.7 Flash (batch) free to use?

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

What is the maximum output length of DeepSeek: DeepSeek V4 Flash 0731 (batch) and Google: Gemini 3.7 Flash (batch)?

DeepSeek: DeepSeek V4 Flash 0731 (batch) can write up to 944K tokens (about 707,800 words) per response; Google: Gemini 3.7 Flash (batch) up to 66K (about 49,200 words).

When were DeepSeek: DeepSeek V4 Flash 0731 (batch) and Google: Gemini 3.7 Flash (batch) released?

DeepSeek: DeepSeek V4 Flash 0731 (batch) was listed on 2026-07-31; Google: Gemini 3.7 Flash (batch) on 2026-08-13.

Has the price of DeepSeek: DeepSeek V4 Flash 0731 (batch) or Google: Gemini 3.7 Flash (batch) changed?

DeepSeek: DeepSeek V4 Flash 0731 (batch): input price cut 21% ($0.14 → $0.11/1M), output price raised 15% ($0.28 → $0.33/1M) on 2026-09-09. Google: Gemini 3.7 Flash (batch): input price raised 50% ($0.19 → $0.38/1M), output price raised 50% ($0.94 → $1.88/1M) on 2026-09-03.

About the two models

Compare DeepSeek: DeepSeek V4 Flash 0731 (batch) with other models

Compare Google: Gemini 3.7 Flash (batch) with other models

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