ByteDance: Seed OSS 36B Instruct

Text input Text output
Author's Description

Seed-OSS-36B-Instruct is a 36B-parameter instruction-tuned reasoning language model from ByteDance’s Seed team, released under Apache-2.0. The model is optimized for general instruction following with strong performance in reasoning, mathematics, coding, tool use/agentic workflows, and multilingual tasks, and is intended for international (i18n) use cases. It is not currently possible to control the reasoning effort.

Key Specifications
Cost
$$$$
Context
131K
Parameters
36B
Released
Sep 02, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Top Logprobs Reasoning Logprobs Include Reasoning Logit Bias Stop Top P Seed Min P Frequency Penalty Max Tokens Presence Penalty Temperature
Features

This model supports the following features:

Reasoning
Performance Summary

The ByteDance Seed-OSS-36B-Instruct model, a 36B-parameter instruction-tuned reasoning language model, demonstrates a balanced performance profile with notable strengths in specific areas. It exhibits moderate speed performance, ranking in the 25th percentile across benchmarks, indicating it is not among the fastest models available. In terms of cost, it offers competitive pricing, positioned at the 43rd percentile. A significant highlight is its strong reliability, boasting a 94% success rate, suggesting consistent and dependable operation with few technical issues. Analyzing benchmark results, the model excels in Instruction Following (77th percentile accuracy) and Coding (80th percentile accuracy), aligning with its description as optimized for general instruction following and strong coding performance. It also shows strong capabilities in General Knowledge and Email Classification, both achieving 64th percentile accuracy. However, its performance in Reasoning (33rd percentile accuracy) and Ethics (26th percentile accuracy) is comparatively weaker, indicating areas for potential improvement. While its cost per task is generally competitive, the duration for tasks like Coding is notably high. Overall, Seed-OSS-36B-Instruct is a reliable model with strong instruction following and coding abilities, making it suitable for agentic workflows and multilingual tasks, despite moderate speed and some limitations in complex reasoning and ethical understanding.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.104
Completion $0.415

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Chutes
Chutes | bytedance/seed-oss-36b-instruct 131K $0.104 / 1M tokens $0.415 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Free Executions Accuracy Cost Duration
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