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ByteDance SeedSeed 1.8

External Link

Seed 1.8 is a ByteDance Seed model for multimodal reasoning and agentic productivity.

Token context
Unknown
Inputs
Text, Image
Outputs
Text
Released
Not reported

Providers & Pricing

0 current sourced offerings

No Current Hosted API Offering VerifiedThe developer states that API access is available, but Model Markets has not verified an exact provider endpoint or published price for this model version.

At a Glance

Model Facts

Identity

Status
active
Developer ID
seed-1.8
Released
Not reported
Version
Seed 1.8
License
Unknown

Capacity

Token context
Unknown
Maximum output
Unknown
Total parameters
Unknown
Active parameters
Unknown
Knowledge cutoff
Not reported

Interface and Access

Inputs
Text, Image
Outputs
Text
API available
Yes
Open weights
No
Self-hostable
No
Reasoning
Yes
Vision
Yes
Tool calling
Yes
Capabilities
chat, generation, reasoning, tools

This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.

Version Lineage

PredecessorUnknown
SuccessorsUnknown
Aliasesseed-1.8, Seed 1.8

Explicit Unknowns

  • Release date
  • Maximum output
  • Architecture
  • Tokenizer
  • Knowledge cutoff
  • Provider pricing

Primary Evidence

Sources and Observation Date

Seed 1.8 | ByteDance SeedByteDance Seed · observed Sep 3, 2026

Comparable Peers

Related Model Comparisons

All comparisons →
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Questions

Seed 1.8 FAQs

What is Seed 1.8?+

Seed 1.8 is a ByteDance Seed model for multimodal reasoning and agentic productivity. It is developed by ByteDance Seed and its current sourced lifecycle status is active.

What inputs and outputs does Seed 1.8 support?+

Seed 1.8's current record lists Text and Image as input and Text as output.

Is Seed 1.8 available through an API?+

Seed 1.8 is marked as API-available. No directly sourced serving-provider record is attached yet.

How much does Seed 1.8 cost through an API?+

No directly sourced token price is currently attached to Seed 1.8. Missing prices remain unknown rather than being inferred from another model or provider.

What capabilities and tasks does Seed 1.8 support?+

Seed 1.8's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are image, reasoning, and text.

Can Seed 1.8 be self-hosted?+

Seed 1.8 is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.

Does Seed 1.8 have related versions or aliases?+

No predecessor is recorded. No successor is recorded. Recorded aliases are seed-1.8 and Seed 1.8.

Which models can Seed 1.8 be compared with?+

The current compatible peer set includes GPT-6 Astra, Claude Fable 5.1, Gemini 3.1 Pro, DeepSeek V4 Pro, and Grok 4.6. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →

How current is the Model Markets record for Seed 1.8?+

Seed 1.8 was last verified Sep 3, 2026 from ByteDance Seed's primary source, “Seed 1.8 | ByteDance Seed.” The evidence is classified as official fact.

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