NTT

NTT develops the proprietary Japanese/English tsuzumi language-model family. NTT DATA and other group companies provide cloud and private deployments with different access and billing terms.

Original tsuzumi 0.6B/7B, the documented 7B v1.1 instruction revision, tsuzumi 2, and its announced document-image update. Azure access and private deployments have separate capabilities and billing.

Closed-weight models

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Input tokensOutput tokens

Estimate = (input tokens × input price + output tokens × output price) / 1,000,000. Include conversation history in input and billed reasoning in output. Input-only decision models ignore the output setting; enter all billed input for one decision, including its question and criteria. Media, tools and discounts are separate.

5 models

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Model input and output limits, prices and estimated cost per question at the selected token counts.
Input tokensPublished limit*	Output tokensMaximum per response*	Input pricePer 1M tokens	Output pricePer 1M tokens	Cost per question1,000 input + 500 outputEstimated · uncached
Not collected	Not collected	Usage pricing Enterprise service or private deployment; no reviewed numeric tariff for this historical tierRates & conditions ↗		Needs rate detailsPrice details ↗
Not collected	Not collected	Usage pricing Enterprise service or private deployment; no reviewed numeric tariff for this historical tierRates & conditions ↗		Needs rate detailsPrice details ↗
8,192max input tokens	8,192max output tokens	$0.40/ 1M tokensStandard rates	$1.10/ 1M tokens	$0.00095NTT DATA on Azure MaaSPrice details ↗
32,768context tokens	Not collected	Usage pricing $0.76 / GPU hourA100 GPU model surcharge · NTT DATA on Azure managed compute$0.76 / GPU hourH100 GPU model surcharge · NTT DATA on Azure managed computeAzure model surcharge: USD 0.76 per A100 or H100 GPU-hour, plus infrastructure costsRates & conditions ↗		No text-only estimatePrice details ↗
Not collected	Not collected	Usage pricing Planned NTT group service rollout; no revision-specific numeric tariff verifiedRates & conditions ↗		Needs rate detailsPrice details ↗

* Media models show their native limits. A shared context window includes both input and output tokens.

Original currency and billing unit, without currency conversion. Rates are dated snapshots; open the conditions for tiers, promotions and endpoint restrictions.How to read the data

Catalog coverage

Closed-weight model variants and explicitly identified closed-source managed model components across language, code, image, video, audio and other documented modalities. Global provider and historical-release coverage is being expanded; this is not yet exhaustive. 172 company reviews are still open.

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