Benchmark Almanac

LiveSports-3K

Seed2.0 Lite (0428) 78.1% leads since April 2026
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Video models give real-time commentary and answer questions on sports clips. An LLM judge scores the free-form commentary.

Introduced with the LiveCC model at CVPR 2025. The ByteDance affiliation is inferred from the author list.

Released
April 2025
Kind
Video captioning
Level
Everyday
Scored
Graded by a model
Answers
Open-ended
Last in a launch post
April 2026, dropped before it saturated
Last model added
June 2026
4
Models scored in lab cards
2
Launch posts list it, from 1 lab
3
System cards report it, from 1 lab

Seed2.0 Lite (0428) leads with 78.1% among models released by June 2026

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.

The newest model with a score here came out in June 2026, and nobody has reported a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

  1. 1 Seed2.0 Lite (0428) 78.1%
  2. 2 Seed2.0 Pro 78%
  3. 3 Seed1.8 77.5%
  4. 4 Seed2.1 Pro 76.8%

Source: Labs’ model cards

#ModelScoreSettingDateSource
1 Seed2.0 Lite (0428) 78.1% Apr 2026 Lab model card
2 Seed2.0 Pro 78% Feb 2026 Lab model card
3 Seed1.8 77.5% Dec 2025 Lab model card
4 Seed2.1 Pro 76.8% Jun 2026 Lab model card

3 models have held number one in labs’ own numbers since its release in April 2025

Lab claims count from the day the card came out, independent runs from the model’s release.

ByteDance Seed
Lab claims Not tested since Jun 2026

Source: Labs’ model cards

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 Best so far
0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Seed2.0 Lite (0428) Seed2.0 Pro 0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Seed2.0 Lite (0428)

Source: Labs’ model cards

Labs headline it less often now, last in April 2026

Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.

ByteDance Seed
DateLaunch postScoreAs the post writes it
Apr 28, 2026 Seed2.0 Lite (0428) 78.1 LiveSports-3K
Dec 18, 2025 Seed1.8 77.5 LiveSports-3K

3 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
Jun 23, 2026 Seed2.1 Pro model card 76.8 LiveSports-3K (Table 10) Capabilities
Mar 21, 2026 Seed1.8 model card 77.5 LiveSports-3K (Table 3) Capabilities
Feb 14, 2026 Seed2.0 Pro model card 78 LiveSports-3K (Table 9) Capabilities

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