Compare/Seed-OSS-36B-Instruct vs gpt-oss-120B (low)

Seed-OSS-36B-Instructvsgpt-oss-120B (low)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

ByteDance Seed

Seed-OSS-36B-Instruct

Input
$0.21/M
Output
$0.57/M
Speed
40 tok/s
TTFT
1.60s
OpenAI

gpt-oss-120B (low)

Input
$0.15/M
Output
$0.6/M
Speed
255 tok/s
TTFT
0.51s

Winner by Category

Cheaper
gpt-oss-120B (low)
Faster (tok/s)
gpt-oss-120B (low)
Lower Latency
gpt-oss-120B (low)
Benchmarks (10-1)
Seed-OSS-36B-Instruct

Pricing Comparison

MetricSeed-OSS-36B-Instructgpt-oss-120B (low)
Input ($/M tokens)$0.21$0.15
Output ($/M tokens)$0.57$0.6
Cost for 1M input + 100K output tokens:
Seed-OSS-36B-Instruct$0.27
gpt-oss-120B (low)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
Seed-OSS-36B-Instruct
40 tok/s
gpt-oss-120B (low)
255 tok/s
Time to First Token (seconds) — lower is better
Seed-OSS-36B-Instruct
1.60s
gpt-oss-120B (low)
0.51s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
25.224.5
Coding Index
16.715.5
Math Index
84.766.7
GPQA Diamond
72.6%67.2%
MMLU-Pro
81.5%77.5%
LiveCodeBench
76.5%70.7%
AIME 2025
84.7%66.7%
MATH-500
Humanity's Last Exam
9.1%5.2%
SciCode
36.5%36.0%
IFBench
41.9%58.3%
TerminalBench
6.8%5.3%
Seed-OSS-36B-Instruct10 wins
1 winsgpt-oss-120B (low)

Frequently Asked Questions

Which is cheaper, Seed-OSS-36B-Instruct or gpt-oss-120B (low)?

gpt-oss-120B (low) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.26/M tokens vs $0.30/M for Seed-OSS-36B-Instruct.

Which model performs better on benchmarks?

Seed-OSS-36B-Instruct wins 10 out of 12 benchmarks compared to 1 for gpt-oss-120B (low). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-120B (low) generates tokens faster at 255 tok/s vs 40 tok/s. However, gpt-oss-120B (low) has lower time-to-first-token (0.51s vs 1.60s).

When should I use Seed-OSS-36B-Instruct vs gpt-oss-120B (low)?

Choose based on your priorities: gpt-oss-120B (low) for lower cost, Seed-OSS-36B-Instruct for stronger benchmark performance, and gpt-oss-120B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.