Benchmark Almanac

ZeroVideo

Seed2.0 Pro 14.5% Only in system cards

Models answer real-world video reasoning questions that need high frame rate motion perception or multi-hop reasoning over long videos. Videos average 1,672 seconds.

In-house ByteDance Seed evaluation. The tasks are not public. It first appeared in the Seed1.8 model card with 101 questions, and the format and scoring are estimates.

Made by ByteDance Seed Released Dec 2025 Long videos Tasks kept private Last in a system card Mar 2026 Last model added Mar 2026
Level
Expert Specialists with years of training, often over hours of work
Scored
Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
Answers
Short answer A number, word or short string matched to a key.
2
Models scored in lab cards
2
System cards report it, from 1 lab

Seed2.0 Pro leads with 14.5%

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

  1. 1 Seed2.0 Pro 14.5%
  2. 2 Seed1.8 6.90%
#ModelScoreSettingDateSource
1 Seed2.0 Pro 14.5% Feb 2026 Model card
2 Seed1.8 6.90% Mar 2026 Model card

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

Reported by the lab in its model card
0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Seed2.0 Pro 0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Seed2.0 Pro

Labs report it only in system cards

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark. Some system cards do, below.

2 system cards report it, from 1 lab

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
21 Mar 2026 Seed1.8 model card 6.9 ZeroVideo 6.9, 18.8 with the VideoCut tool (Table 6) Capabilities
14 Feb 2026 Seed2.0 Pro model card 14.5 ZeroVideo 14.5, 27.9 with the VideoCut tool (Table 10) Capabilities

More in Audio and video

All 168 in Audio and video
  • Video-MMMU In use 300 expert-level lecture videos with questions testing perception, comprehension and adaptation of knowledge. Accuracy. Qwen 3.8 Max 88.7%
  • LVBench In use Hours-long video understanding with multiple-choice questions on reasoning, grounding and summarization. Gemini 4 Argon 91.7%
  • MMVU In use 3,000 expert-annotated questions on videos across 27 disciplines. Multiple-choice and open-ended accuracy. Qwen 3.8 Max 82.4%
  • MLVU In use Multi-task long video understanding (minutes to hours) with multiple-choice and generation tasks. Accuracy. Qwen 3.8 Max 90.8%
  • VoiceBench In use Spoken instructions with speaker, environment and content variation. Voice assistant responses scored by GPT judge or rules. Qwen3.5-Omni-Plus 93.1%
  • TVBench In use Models answer multiple-choice questions on 10 temporal video tasks, such as action counting and ordering, that static frames cannot solve. Scored by accuracy. Qwen 3.8 Max 81.9%