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Model infoModelsSnapshot: 15 Oct 2026

ByteDance / Seedream

Seedream 3.0 (250415)

Chinese-English text-to-image model with native 2K generation. Its native BytePlus endpoint is retired; Replicate still lists a hosted Seedream 3 offering.

availableClosed weightsImage generation
Official documentation (opens in a new tab)Reviewed 15 Oct 2026
7 of 21 specification fields collected
Output resolutionNative output up to 2KSee specification notes below
Output formatsNot collectedAwaiting source review
Input billingSee ratesBytePlus ModelArk
Output billingSee ratesPublished units and conditions below

Specifications

Provider-documented facts. “Not collected” means we have not verified that field yet, not that the feature is unsupported.

Context / input limit
Not collected
Maximum input tokens
Not collected
Maximum output
Not collected
Reasoning
Not collected
Tool calling
Not collected
Structured output
Not collected
Streaming
Not collected
Batch processing
Not collected
Fine-tuning
Not collected
Knowledge cutoff
Not collected
Release date
Not collected
Parameters
Not collected
Architecture
Transformer-based text-to-image model using flow matching and cross-modality rotary position embeddingsSource for Architecture (opens in a new tab)

Family-level technical description; no published parameter count for the dated API revision.

Context caching
Not collected
Output resolutions
Native output up to 2KSource for Output resolutions (opens in a new tab)

Native Seedream 3.0 capability; per-host dimensions and presets are separate.

Output formats
Not collected
Release month
June 2025Source for Release month (opens in a new tab)

BytePlus native API release-log month, distinct from the earlier family announcement and the checkpoint suffix.

Published request quota
500 generated images per minuteSource for Published request quota (opens in a new tab)

Historical native quota, not an account entitlement on other hosts.

Access & pricing

Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.

API model ID
seedream-3-0-t2i-250415
Access
Historical endpoint: BytePlus service ended 2026-05-13. Published pricing is retained for historical comparison only.
Regions
Not collected
Endpoint availability
Service ended 2026-05-13Source for Endpoint availability (opens in a new tab)
Supported input workflows
Text prompt to imageSource for Supported input workflows (opens in a new tab)
Request size limit
500 generated images per minuteSource for Request size limit (opens in a new tab)

Historical native quota.

Prices retain their published currencies and billing units below.

Published billing units · original currency · observed 15 Oct 2026
CategoryUsageRateUnit
Historical image generationGenerated image1$0.03image

Rate conditions

  1. Historical native card rate. BytePlus endpoint retired 2026-05-13; this is not a current offer or text-token price.
Pricing source (opens in a new tab)

Data & enterprise terms

Retention, training use, regional processing and enterprise terms have not been summarized for this endpoint.

API model ID
bytedance/seedream-3

Official hosted Seedream 3 family alias. The wrapper version is not a BytePlus checkpoint pin.

Access
Public official listing reports online. API key, billing and account eligibility required. Native BytePlus retirement does not prove this hosted route is unavailable; no inference was run.
Regions
Not collected
Endpoint availability
Public listing: onlineSource for Endpoint availability (opens in a new tab)
Hosted API version
ed344813bc9f4996be6de4febd8b9c14c7849ad7b21ab047572e3620ee374ee7Source for Hosted API version (opens in a new tab)

Replicate wrapper version, not a model weight hash.

Image input limits
Custom width and height: 512–2048 pixels eachSource for Image input limits (opens in a new tab)
Aspect ratios
1:1, 3:4, 4:3, 16:9, 9:16, 2:3, 3:2, 21:9, customSource for Aspect ratios (opens in a new tab)

Default 16:9. Custom enables explicit width and height.

Output resolutions
small, regular (default), bigSource for Output resolutions (opens in a new tab)

Big images will have their longest dimension be 2048px. Small images will have their shortest dimension be 512px. Regular images will always be 1 megapixel. Ignored if aspect ratio is custom.

Guidance scale
1–10; default 2.5Source for Guidance scale (opens in a new tab)
Output formats
Image URL; file encoding not specified by the wrapper output schemaSource for Output formats (opens in a new tab)

Prices retain their published currencies and billing units below.

Published billing units · original currency · observed 15 Oct 2026
CategoryUsageRateUnit
Hosted image generationOutput image1$0.03image

Rate conditions

  1. Current public per-output-image billing for the official Replicate Seedream 3 listing. Account access required; no inference executed. The unversioned hosted name does not pin a native checkpoint.
Pricing source (opens in a new tab)

Data & enterprise terms

Retention, training use, regional processing and enterprise terms have not been summarized for this endpoint.

Volcengine Ark (retired)

Provider source (opens in a new tab)
API model ID
doubao-seedream-3-0-t2i-250415
Access
Retired native route. No current inference access is represented.
Regions
cn-beijing
Endpoint availability
Native service ended May 11, 2026 at 14:00 UTC+8. The eighth-batch table specifies replacement by doubao-seedream-5-0-lite-260128.Source for Endpoint availability (opens in a new tab)
Pricing coverage
Not collected

Historical native CNY price not established. International historical USD rates are not copied.

Release identity
Native Doubao selector grouped with the corresponding international family, dated revision and task. Identical deployed weights are not independently established.Source for Release identity (opens in a new tab)

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.

BytePlus ModelArk

seedream-3-0-t2i-250415
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.

Caching reviewed 15 Oct 2026

Replicate

bytedance/seedream-3
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.

Caching reviewed 15 Oct 2026

Volcengine Ark (retired)

doubao-seedream-3-0-t2i-250415
Not verified

No version-specific prompt-cache contract or tariff established.

How it works
Not collected

No version-specific prompt-cache contract or tariff established.

Minimum reusable input
Not collected

No version-specific prompt-cache contract or tariff established.

Lifetime & refresh
Not collected

No version-specific prompt-cache contract or tariff established.

How to enable it
Not collected

No version-specific prompt-cache contract or tariff established.

Usage fields
Not collected

No version-specific prompt-cache contract or tariff established.

Billing rules
Not collected

No version-specific prompt-cache contract or tariff established.

Limits & data boundaries
Not collected

No version-specific prompt-cache contract or tariff established.

No verified cache rate for this endpoint. An empty rate is not a zero charge.

Caching reviewed 15 Oct 2026

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

Inferred from the named native hosted API offering and cross-check of ByteDance and ByteDance-Seed public repositories. No matching downloadable checkpoint was found. This is not an explicit published weight-license declaration.

Classification evidence (opens in a new tab)

Lifecycle dates

Seedream 3.0 family announcement16 Apr 2025Source (opens in a new tab)
BytePlus deprecation announced17 Mar 2026Source (opens in a new tab)
BytePlus new endpoint creation ended23 Mar 2026Source (opens in a new tab)
BytePlus service ended13 May 2026Source (opens in a new tab)
Volcengine native new endpoint creation ended9 Apr 2026Source (opens in a new tab)
Volcengine native service ended at 14:00 UTC+811 May 2026Source (opens in a new tab)

Sources reviewed