Anthropic: Claude Opus 4.7 (batch) vs Google: Gemini 3.8 Flash

Neither wins outright: Anthropic: Claude Opus 4.7 (batch) is the pick when you generate long outputs in one go, Google: Gemini 3.8 Flash when cost matters at scale.

Key numbers

SpecAnthropic: Claude Opus 4.7 (batch)Google: Gemini 3.8 Flash
ProviderAnthropicGoogle
Input price (per 1M tokens)$2.50$0.82
Output price (per 1M tokens)$12.50$4.13
Blended price (3:1 input/output)$5.00$1.65
Cheaper than … of all models we track10%30%
Context window1M tokens (~1,500 pages)1.0M tokens (~1,573 pages)
Larger context than … of all models69%80%
Max output per response128K tokens (~96,000 words)66K tokens (~49,200 words)
Input typestext, image, filetext, image, video, file, audio
Output typestexttext
Free variantNoNo
Listed since2026-04-162026-09-02
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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)Anthropic: Claude Opus 4.7 (batch)Google: Gemini 3.8 FlashDifference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$438$144Google: Gemini 3.8 Flash saves $293
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$425$140Google: Gemini 3.8 Flash saves $285
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)
$450$149Google: Gemini 3.8 Flash saves $302
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$275$90.75Google: Gemini 3.8 Flash saves $184
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$138$45.38Google: Gemini 3.8 Flash saves $92.13

Capabilities side by side

CapabilityAnthropic: Claude Opus 4.7 (batch)Google: Gemini 3.8 FlashWhat 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✓ Yes✓ Yesread screenshots, charts and scanned pages
Audio input—✓ Yestake 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✓ Yesanswer from live web results
Seed (reproducible sampling)—✓ Yesrepeat 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

DateModelInput / 1MOutput / 1M
2026-10-16Google: Gemini 3.8 Flash$0.82$4.13

Which should you choose?

Choose Anthropic: Claude Opus 4.7 (batch) if…

  • you generate long outputs in one go — up to 128K tokens (about 96,000 words) per response

Choose Google: Gemini 3.8 Flash if…

  • cost matters at scale — it is 67% cheaper on a typical 3:1 input/output mix ($144 vs $438 a month for 50,000 support chats)
  • you need audio input — to take speech or audio directly; Anthropic: Claude Opus 4.7 (batch) does not advertise it
  • you need seed (reproducible sampling) — to repeat a generation for tests and evals; Anthropic: Claude Opus 4.7 (batch) does not advertise it
  • you want the newer model — released 2026-09-02, 5 months after the other

Frequently asked questions

Is Anthropic: Claude Opus 4.7 (batch) better than Google: Gemini 3.8 Flash?

Neither wins outright: Anthropic: Claude Opus 4.7 (batch) is the pick when you generate long outputs in one go, Google: Gemini 3.8 Flash when cost matters at scale. In short: Anthropic: Claude Opus 4.7 (batch) when you generate long outputs in one go; Google: Gemini 3.8 Flash when cost matters at scale, you need audio input, you need seed (reproducible sampling), you want the newer model.

Which is cheaper, Anthropic: Claude Opus 4.7 (batch) or Google: Gemini 3.8 Flash?

Google: Gemini 3.8 Flash is cheaper: $1.65 vs $5.00 per 1M tokens at a typical 3:1 input/output mix, 67% less. For 50,000 support conversations a month that is $144 against $438.

How much do Anthropic: Claude Opus 4.7 (batch) and Google: Gemini 3.8 Flash cost per million tokens?

Anthropic: Claude Opus 4.7 (batch) costs $2.50 per 1M input tokens and $12.50 per 1M output tokens; Google: Gemini 3.8 Flash costs $0.82 input and $4.13 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, Anthropic: Claude Opus 4.7 (batch) or Google: Gemini 3.8 Flash?

Google: Gemini 3.8 Flash: 1.0M tokens, about 1,573 pages, against 1M (about 1,500 pages) for Anthropic: Claude Opus 4.7 (batch).

Do Anthropic: Claude Opus 4.7 (batch) and Google: Gemini 3.8 Flash support function calling and JSON output?

Tool calling — Anthropic: Claude Opus 4.7 (batch): yes, Google: Gemini 3.8 Flash: yes. JSON-schema structured output — Anthropic: Claude Opus 4.7 (batch): yes, Google: Gemini 3.8 Flash: yes.

Can Anthropic: Claude Opus 4.7 (batch) or Google: Gemini 3.8 Flash read images?

Yes, both accept image input.

Is Anthropic: Claude Opus 4.7 (batch) or Google: Gemini 3.8 Flash free to use?

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

What is the maximum output length of Anthropic: Claude Opus 4.7 (batch) and Google: Gemini 3.8 Flash?

Anthropic: Claude Opus 4.7 (batch) can write up to 128K tokens (about 96,000 words) per response; Google: Gemini 3.8 Flash up to 66K (about 49,200 words).

When were Anthropic: Claude Opus 4.7 (batch) and Google: Gemini 3.8 Flash released?

Anthropic: Claude Opus 4.7 (batch) was listed on 2026-04-16; Google: Gemini 3.8 Flash on 2026-09-02.

Has the price of Anthropic: Claude Opus 4.7 (batch) or Google: Gemini 3.8 Flash changed?

Anthropic: Claude Opus 4.7 (batch): price unchanged since we started tracking it on 2026-08-07. Google: Gemini 3.8 Flash: input price raised 9% ($0.75 → $0.82/1M), output price raised 9% ($3.75 → $4.13/1M) on 2026-10-16.

About the two models

Compare Anthropic: Claude Opus 4.7 (batch) with other models

Compare Google: Gemini 3.8 Flash with other models

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