Enterprise cotomi generation with a longer shared context and improved task planning and tool selection. Available through NEC’s private deployment products.
A native function-calling wire format and self-service tool schema are not documented by this announcement.
Usage metering
Appliance list prices exclude tax. Hardware, framework, support, OS and deployment costs are additional; no cost per question can be derived.Source for Usage metering (opens in a new tab)
Access & pricing
Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.
Prices retain their published currencies and billing units below.
Published billing units · original currency · observed 14 Oct 2026
Category
Usage
Rate
Unit
Appliance software
cotomi model v3 license (UL4689-211-I)1
¥12,000,000
software license; term unspecified
Model support
Standard model support (ULH1S-4689002-I)1
¥2,400,000
1-year support package
Model support
Standard model support (ULH3S-4689002-I)1
¥7,200,000
3-year support package
Model support
Standard model support (ULH5S-4689002-I)1
¥12,000,000
5-year support package
Rate conditions
NEC June 2026 Express5800 for cotomi guide, pages 51-52. Suggested retail price in JPY, excluding tax. cotomi model software alone is not a complete running deployment: framework, hardware, OS, required support and other infrastructure are extra. License term is not stated in the software row. Support packages below are alternatives by duration, not cumulative fees. No currency conversion or per-token estimate.
A public request model string and self-service API contract were not verified. The display name is not an API selector.
Access
Selected for the Japanese government’s Gennai evaluation. Selection does not establish general public API access or an unrestricted trial.
Regions
Enterprise contract and deployment determine availability and data location.
Endpoint pricing has not been collected. Check the provider for applicable rates.
Data & enterprise terms
Retention, training use, regional processing and enterprise terms have not been summarized for this endpoint.
Caching
Caching can reuse earlier input processing. Availability, lifetime and billing depend on the endpoint. A cache hit still generates a new response.
01 / INITIAL INPUTProcess & retain
The system processes eligible input and retains reusable state.
02 / LATER REQUESTCheck available state
Reuse depends on matching input, session state and the cache policy.
03 / CACHE HITReuse & generate
Reusing state can reduce repeated work. Any charges follow the billing rules below.
NEC Express5800 for cotomi
Not verified
How it works
Not collected
Minimum reusable input
Not collected
Lifetime & refresh
Not collected
How to enable it
Not collected
Usage fields
Not collected
Billing rules
Not collected
Limits & data boundaries
Not collected
No verified cache rate for this endpoint. An empty rate is not a zero charge.
NEC Government AI evaluation
Not verified
How it works
Not collected
Minimum reusable input
Not collected
Lifetime & refresh
Not collected
How to enable it
Not collected
Usage fields
Not collected
Billing rules
Not collected
Limits & data boundaries
Not collected
No verified cache rate for this endpoint. An empty rate is not a zero charge.
What the measurements say
No benchmark observations have been added for this model. We do not turn a vendor description into a performance score.
Latency and throughput depend on the host, request size, reasoning settings and load. There is no measured speed or global usage figure in this record.
The record behind the model
Why it is included
NEC describes its proprietary, internally developed model delivered through enterprise products and services. No matching downloadable checkpoint was verified. Closed-weight classification is inferred for this product identity, not for every model developed by NEC.