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Seed-OSS-36B-Instruct

ByteDance SeedProprietary

Description

ByteDance's flagship general-purpose agent model focused on long-chain reasoning and robustness in complex workflows. Features comprehensive multimodal understanding (text, image, video), enhanced instruction-following, and strong coding capabilities. Competes with GPT-5.2 and Gemini 3 Pro across scientific, reasoning, and coding benchmarks.

Release Date
2025-08-20
Parameters
Context Length
Modalities

Capability Radar

36
general
68
coding
83
reasoning
47
scienceest.
80
agents
0
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Agentic Capability4
77.0
LS
Code Ranking145
57.0
AA
General Ranking215
48.0
AA
Math Reasoning62
86.0
AA
Science190
50.0
AA

Benchmark Scores (LLM Stats)

Agents

BrowseComp77.3%SR

Biology

GPQA88.9%SR

Code

SWE-Bench Verified76.5%SR

General

LiveCodeBench v687.8%SR

Math

AIME 202598.3%SR
AIME 202694.2%SR

AA Evaluation Indices

Math Index
84.7
Intelligence Index
18.3
Aime 25
0.8
Mmlu Pro
0.8
Livecodebench
0.8
Gpqa
0.7
Lcr
0.6
Tau2
0.5
Ifbench
0.4
Scicode
0.4
Hle
0.1
Terminalbench Hard
0.1

LLM Stats Category Scores

Math
100
Physics
90
Reasoning
90
General
90
Biology
90
Chemistry
90
Search
80
Frontend Development
80
Agents
80
Code
80

Pricing

Input Price$0.21 / 1M tokens
Output Price$0.57 / 1M tokens
Blended Price (3:1)$0.3 / 1M tokens

Speed

Tokens/sec40.1
Time to First Token1.60s
Time to Answer51.45s

Provider Price Ranking

Provider Price Ranking

3 providers

Cheapest: ByteDance SeedMost Expensive: SiliconFlow
ProviderInputOutput
1ByteDance SeedPRIMARY
$0.21
$0.57
2SiliconFlow (China)
$0.21
$0.57
3SiliconFlow
$0.21
$0.57

Compare pricing across different API providers for this model.

External Sources