GPT-5 Pro vs Seed-OSS-36B-Instruct
OpenAI vs ByteDance — benchmarks, pricing, and capabilities side by side.
- •GPT-5 Pro has the higher intelligence index (88.4 vs 78.8)
- •Seed-OSS-36B-Instruct is cheaper ($0.20 vs $15.00 per 1M input)
| GPT-5 Pro | Seed-OSS-36B-Instruct | |
|---|---|---|
| Intelligence index | 88.4 | 78.8 |
| Developer | OpenAI | ByteDance |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 400,000 tokens | — |
| Input price | $15.00 / 1M | $0.20 / 1M |
| Output price | $120.00 / 1M | $0.60 / 1M |
| Speed | — | 37 tok/s |
| Released | October 6, 2025 | August 20, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5 Pro
Seed-OSS-36B-Instruct
GPQA Diamond
88.4
72.6
Humanity’s Last Exam
42
9.1