Coding · ByteDance

Seed-OSS 8B on HumanEval: score, rank and what it means

Seed-OSS 8B scores 61.3 on HumanEval, placing it #480 of 600 models in the index. The benchmark average is 74.0 and the leader is GPT-5.2 Pro at 96.8.

Score
61.3
0–100 scale
Rank
#480
of 600
Percentile
20th
within the index
Benchmark avg
74.0
all models
Leader
96.8
GPT-5.2 Pro
Gap to leader
35.5
points

Score distribution

The chart shows the top 10 models on HumanEval, with Seed-OSS 8B highlighted. Longer bars mean higher scores.

GPT-5.2 Pro 96.8
Gemini 3 Pro Pro 95.0
o4 Max 94.6
Grok 4 Reasoning 93.8
Claude Opus 4.5 93.7
GPT-5.2 Max 93.6
Claude Opus 4.5 Pro 93.4
Grok 4 Max 93.4
GPT-5.2 Turbo 93.2
GPT-5.1 Reasoning 92.9

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
2 Gemini 3 Pro Pro Google DeepMind 200000 $19.80 87.3
3 o4 Max OpenAI 2000000 $19.51 86.2
4 Grok 4 Reasoning xAI 2000000 $19.67 87.8
5 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
6 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
7 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
8 Grok 4 Max xAI 2000000 $19.70 86.6
9 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
10 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3

What this score means

On HumanEval, Seed-OSS 8B sits at #480 of 600. The leader, GPT-5.2 Pro, scores 96.8, so the gap to the top is 35.5 points. The median model in this index scores 77.4, which puts Seed-OSS 8B below the midpoint.

ByteDance models average 75.5 on this benchmark. Seed-OSS 8B is 14.2 points below that provider line, so it is a weaker result than the average ByteDance model.

Among small open-weight models, the average is 56.7. Seed-OSS 8B is 4.6 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 61.3 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $1.05 per million input tokens, Seed-OSS 8B is below the median input price of $4.00 across the 600 models scored on HumanEval. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Llama 3.1 Turbo 8B Together AI 32768 $1.16 58.8
Command R+ 8B Cohere 8192 $1.21 57.7
Mistral Small 3 8B Mistral AI 8192 $0.99 57.2
Phi-4 7B Microsoft 8192 $0.91 56.8
Seed-OSS 8B ByteDance 8192 $1.05 57.1
Yi-Large 8B 01.AI 32768 $0.88 56.1
Gemma 3 7B Google DeepMind 32768 $0.90 55.9

Other benchmarks for Seed-OSS 8B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 64.3 464 23th
GPQA Diamond 54.5 473 21th
SWE-bench Verified 40.6 516 14th
MATH-500 58.6 483 20th
AIME 2025 43.4 519 14th
LiveCodeBench 46.0 487 19th
IFEval 69.3 471 22th
TruthfulQA 62.3 499 17th
HellaSwag 70.9 524 13th
MMMU 56.6 479 20th
Arena Elo 1267.1 465 23th

FAQ

What score does Seed-OSS 8B get on HumanEval?

Seed-OSS 8B scores 61.3 on HumanEval in this index. The benchmark average is 74.0 and the top score is 96.8.

How does Seed-OSS 8B rank on HumanEval?

It ranks #480 of 600 models, in the 20th percentile. The leader is GPT-5.2 Pro at 96.8.

Is Seed-OSS 8B good at HumanEval?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. The result should be read alongside its price and context window.

How is the HumanEval score calculated?

HumanEval is a coding benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Seed-OSS 8B cost?

Seed-OSS 8B costs $1.05 per million input tokens and $5.47 per million output tokens.

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