Multimodal · ByteDance

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

Seed-OSS 8B scores 56.6 on MMMU, placing it #479 of 600 models in the index. The benchmark average is 67.1 and the leader is GPT-5.2 Max at 86.9.

Score
56.6
0–100 scale
Rank
#479
of 600
Percentile
20th
within the index
Benchmark avg
67.1
all models
Leader
86.9
GPT-5.2 Max
Gap to leader
30.3
points

Score distribution

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

GPT-5.2 Max 86.9
GPT-5.1 Reasoning 86.2
GPT-5.2 85.3
Claude Sonnet 4.5 Reasoning 85.2
GPT-5.1 Max 85.1
Grok 4 Pro 84.9
Claude Opus 4.5 Reasoning 84.6
Claude Sonnet 4.5 Pro 84.5
GPT-5.2 Pro 84.4
GPT-5.2 Vision 84.4

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
2 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
3 GPT-5.2 OpenAI 2000000 $19.71 88.0
4 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
5 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
6 Grok 4 Pro xAI 1000000 $19.00 85.4
7 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
8 Claude Sonnet 4.5 Pro Anthropic 1000000 $18.73 86.7
9 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
10 GPT-5.2 Vision OpenAI 1000000 $19.03 87.4

What this score means

On MMMU, Seed-OSS 8B sits at #479 of 600. The leader, GPT-5.2 Max, scores 86.9, so the gap to the top is 30.3 points. The median model in this index scores 70.0, which puts Seed-OSS 8B below the midpoint.

ByteDance models average 69.6 on this benchmark. Seed-OSS 8B is 13.0 points below that provider line, so it is a weaker result than the average ByteDance model.

Among small open-weight models, the average is 52.4. Seed-OSS 8B is 4.2 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 56.6 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 MMMU. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Llama 3 Anyscale 8B Anyscale 32768 $0.97 57.3
Llama 3.1 Turbo 7B Together AI 8192 $0.98 56.4
Llama 3 Replicate 7B Replicate 32768 $0.91 56.0
Llama 3 Replicate 8B Replicate 32768 $1.00 57.0
Seed-OSS 8B ByteDance 8192 $1.05 57.1
Llama 4 Maverick 1.5B Meta AI 8192 $0.93 55.2
Qwen3 7B Alibaba Cloud 32768 $1.37 59.8

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
HumanEval 61.3 480 20th
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
Arena Elo 1267.1 465 23th

FAQ

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

Seed-OSS 8B scores 56.6 on MMMU in this index. The benchmark average is 67.1 and the top score is 86.9.

How does Seed-OSS 8B rank on MMMU?

It ranks #479 of 600 models, in the 20th percentile. The leader is GPT-5.2 Max at 86.9.

Is Seed-OSS 8B good at MMMU?

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 MMMU score calculated?

MMMU is a multimodal 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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