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Bytedance Seed: Seed-OSS-36B-Instruct

Open ByteDance Seed model for long-context reasoning, tool use, and agents

Source-linked seed Open weights Apache 2.0 Released 2025-08-20
API record Report
InputT
OutputT
Input priceNot listed
Output priceNot listed
Context524.288K
Max output524.288K
Providers0
Inference availability

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Specification

Capabilities

Recorded from the source catalog and provider listings.

? Reasoning Unknown
? Tool calling Unknown
? Structured output Unknown
× Attachments No
× Vision input No
✓ Open weights Yes
Model family
seed
Knowledge cutoff
2024-07
License
Apache 2.0
Release date
2025-08-20
Model ID
bytedance-seed/seed-oss-36b-instruct

Weights: Hugging Face ↗

Published evaluations

Benchmarks

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Benchmark registry
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Catalog activity

Change log

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No changes recorded

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Provenance

Sources & verification

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Methodology
Last verified
Oct 24, 2026
Status
Source-linked
Confidence
Medium
Catalog source
Models.dev
Public API

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API documentation
Endpoint
GET https://modelbench.lol/api/v1/models/bytedance-seed/seed-oss-36b-instruct
curl
curl "https://modelbench.lol/api/v1/models/bytedance-seed/seed-oss-36b-instruct"
Common questions

Frequently asked questions

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What is Seed-OSS-36B-Instruct?

Open ByteDance Seed model for long-context reasoning, tool use, and agents. It is published by Bytedance Seed and catalogued here from Models.dev.

What is the context length of Seed-OSS-36B-Instruct?

Seed-OSS-36B-Instruct accepts up to 524.288K tokens of context and returns up to 524.288K output tokens.

Are the weights for Seed-OSS-36B-Instruct open?

Yes. The weights are published and downloadable from Hugging Face under the Apache 2.0 license.

When was Seed-OSS-36B-Instruct released?

The catalog records a release date of 2025-08-20, last verified Oct 24, 2026.

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