Gemini 3.1 Pro Preview

Google · OpenCode 1.18.31 · guidance off

Rank 16 of 16Verified · run and scored by the TimelineBench teamOpenCode 1.18.31guidance off
Resolution rate
1.8%[0.0, 9.6] exact 95% CI

1 of 56 tasks resolved, one attempt each

Tests passed
19/56
delivery + guards + must-haves
Must-haves passed
32/56
57.1% [43.2, 70.3]
Editors' win-or-tie
9.0%
[3.9, 14.0] · 161 votes
Rank · bootstrap interval
16 · 14.5–16
by resolution rate, of 16 setups
Videos delivered
54/56
2 missing
Median runtime
15.9 min
16.5 h in total
Auto Elo
182
[182, 376] · pro cut 1000
Editor Elo
541
[399, 623]
Cost
Not recorded
recorded for Claude Code only

Where the cuts drop out

  1. 01 / 04

    Delivery tests

    54 videos delivered; the four tests of each task's tests/test.sh.

    50pass · 89.3%
  2. 02 / 04

    Content guards

    Silent, frozen, looped, dead air, one-sided sound, faces cut.

    33still standing · 58.9%
  3. 03 / 04

    Brief must-haves

    Every validated must-have of the brief.

    19pass all tests · 33.9%
  4. 04 / 04

    Quality bar

    Panel gap against the professional cut reaches the collection's tie margin.

    1resolved · 1.8%

By collection

EditStock0/11resolved · 5/11 pass tests · bar 0.21
Cinestudy1/15resolved · 5/15 pass tests · bar 0.30
UGC0/15resolved · 6/15 pass tests · bar 1.54
Commercial0/15resolved · 3/15 pass tests · bar 0.52

Per task

Per-task results for Gemini 3.1 Pro Preview · OpenCode · guidance off: delivery tests, content guards, must-haves, quality gap against the collection tie margin, outcome and editor votes.
TaskDeliveryGuardsMust-havesGap vs barOutcomeEditors A·T·P
EditStock · 0/11 resolved · tie margin 0.21
Babiators4/46/6Fail · 8/15 items−3.40 / 0.21Failed a test0 · 0 · 3
BOS Parkour4/46/6Pass · 9/9 items−2.15 / 0.21Below bar0 · 0 · 3
Evolve By Training Camp4/46/6Pass · 9/9 items−3.11 / 0.21Below bar0 · 0 · 3
Incubate4/4Mostly frozenFail · 4/15 items−4.42 / 0.21Failed a test0 · 0 · 3
J-Pops3/4 · videoMostly frozenPass · 8/15 items−4.23 / 0.21Failed a test0 · 0 · 3
Klug Fitness Brand Story4/46/6Pass · 13/15 items−1.21 / 0.21Below bar0 · 0 · 3
Klug Fitness Next Time4/46/6Pass · 14/15 items−1.27 / 0.21Below bar1 · 0 · 2
Klug Fitness Railroad Track4/4Mostly frozenFail · 9/15 items−3.73 / 0.21Failed a test0 · 0 · 3
Two Player4/46/6Fail · 4/15 items−2.68 / 0.21Failed a test0 · 0 · 3
Whisper Fan4/46/6Pass · 6/7 items−2.40 / 0.21Below bar1 · 0 · 2
Wild Planet4/4One-sided soundPass · 6/8 items−2.36 / 0.21Failed a test0 · 0 · 3
Cinestudy · 1/15 resolved · tie margin 0.30
Car Chase4/4Faces cut by the framePass · 9/13 items−1.08 / 0.30Failed a test0 · 0 · 3
Color GradingNo output · output-token limit———No output—
Compression Of Time4/46/6Pass · 15/15 items−2.15 / 0.30Below bar0 · 0 · 3
Cutting On Motion4/4Mostly silentPass · 8/14 items−2.45 / 0.30Failed a test0 · 0 · 3
Documentary Format4/46/6Pass · 10/15 items−1.51 / 0.30Below bar0 · 0 · 3
Editing A Sequence4/46/6Fail · 12/15 items+0.10 / 0.30Failed a test1 · 0 · 2
Horror Movie4/4Mostly silent, Dead airFail · 12/15 items−1.14 / 0.30Failed a test0 · 0 · 3
Hospital Scene4/46/6Fail · 8/15 items−1.28 / 0.30Failed a test0 · 0 · 3
License ExamNo output · stopped early———No output—
Movie Trailer4/46/6Pass · 12/15 items+0.37 / 0.30Resolved0 · 0 · 3
Podcast Documentary4/46/6Pass · 12/15 items−2.04 / 0.30Below bar0 · 1 · 2
Refractory4/4Dead airPass · 12/15 items−1.91 / 0.30Failed a test0 · 0 · 3
Relationship Card4/4Dead airPass · 12/15 items−1.92 / 0.30Failed a test0 · 0 · 3
Restaurant Scene4/46/6Pass · 9/15 items−2.83 / 0.30Below bar0 · 0 · 3
The Intern Mockumentary4/4Dead airPass · 12/14 items−1.55 / 0.30Failed a test0 · 0 · 3
UGC · 0/15 resolved · tie margin 1.54
Breathex Nose Patches4/46/6Fail · 9/15 items−2.86 / 1.54Failed a test0 · 0 · 3
CUPNEX4/46/6Fail · 12/15 items+0.01 / 1.54Failed a test1 · 0 · 2
Dazzle and Charm4/46/6Fail · 12/15 items+1.12 / 1.54Failed a test0 · 2 · 1
Feel Comfy3/4 · duration6/6Pass · 11/14 items−2.48 / 1.54Failed a test0 · 0 · 3
Fitness Venue4/46/6Pass · 13/15 items+0.31 / 1.54Below bar0 · 0 · 3
Global Physiotherapy Clinic4/46/6Fail · 6/15 items−1.01 / 1.54Failed a test0 · 0 · 3
House of Hue4/46/6Pass · 11/15 items−0.83 / 1.54Below bar0 · 0 · 3
LeadLoop4/46/6Fail · 8/15 items−0.96 / 1.54Failed a test0 · 0 · 3
LedgeFin4/46/6Pass · 13/15 items−0.39 / 1.54Below bar0 · 0 · 3
MotionMix Studio4/46/6Pass · 13/15 items−1.41 / 1.54Below bar0 · 0 · 3
Nova Sole4/46/6Fail · 10/15 items−1.24 / 1.54Failed a test0 · 0 · 3
Off Case4/46/6Fail · 6/15 items−3.09 / 1.54Failed a test0 · 0 · 3
Personal Branding4/46/6Pass · 11/15 items−0.39 / 1.54Below bar0 · 0 · 3
Personal Introduction4/4Mostly frozenFail · 13/15 items−0.37 / 1.54Failed a test0 · 0 · 3
Portable Side Bag4/46/6Pass · 10/15 items−0.16 / 1.54Below bar0 · 0 · 3
Commercial · 0/15 resolved · tie margin 0.52
Aroma Candle4/4Mostly frozenFail · 3/15 items−3.99 / 0.52Failed a test0 · 0 · 3
Bean & Roast4/4Dead airFail · 12/15 items−0.31 / 0.52Failed a test0 · 1 · 2
Beauty of Delhi4/46/6Pass · 8/15 items−1.06 / 0.52Below bar0 · 1 · 2
Bike Ride3/4 · audio6/6Fail · 9/15 items−0.68 / 0.52Failed a test0 · 0 · 3
Camera4/4Mostly silentPass · 9/15 items−2.38 / 0.52Failed a test1 · 0 · 2
Fortunex4/46/6Pass · 10/15 items−1.18 / 0.52Below bar1 · 0 · 2
Hard Life Of Athlete3/4 · audio6/6Pass · 11/15 items−0.42 / 0.52Failed a test1 · 0 · 2
Loom Craft4/4Mostly frozenFail · 6/15 items−3.54 / 0.52Failed a test0 · 0 · 3
Motionmix In Charge4/4Mostly frozenPass · 8/13 items−1.82 / 0.52Failed a test0 · 1 · 2
Pro Bite4/46/6Fail · 3/15 items−3.21 / 0.52Failed a test0 · 0 · 3
Quickshine4/46/6Fail · 4/14 items−1.75 / 0.52Failed a test0 · 1 · 1
Shadow Airpod4/4Mostly silent, Dead airPass · 14/15 items−1.67 / 0.52Failed a test0 · 0 · 3
Standcup4/46/6Pass · 7/15 items−1.52 / 0.52Below bar0 · 0 · 3
Street Wear4/4One-sided soundPass · 10/15 items−1.42 / 0.52Failed a test0 · 0 · 3
Voltix Bulb4/46/6Fail · 12/15 items−0.94 / 0.52Failed a test0 · 0 · 3
ResolvedPassed tests, below barFailed a testNo outputEditors A·T·P: blind votes for the agent cut, a tie, or the professional cut.

Missing outputs

  • Agent stopped before delivering a video1
  • Degenerate output hit the output-token limit1

License Exam, Color Grading

Delivery failures

  • audio2
  • video1
  • duration1

Guard failures

  • Mostly frozen7
  • Dead air6
  • Mostly silent4
  • One-sided sound2
  • Faces cut by the frame1

Reproduce

Run this setup
# Gemini 3.1 Pro Preview · OpenCode 1.18.31 · guidance off
# source packs are not distributed; the maintainers run the agent internally
harbor run -p tasks/<id> -a opencode -m google/gemini-3.1-pro-preview
# after all 56 tasks, one attempt each:
timelinebench aggregate <jobs-dir>

Setup id opencode__gemini-3.1-pro-preview__skills-off · model google/gemini-3.1-pro-preview · run guide

Disclosures

  • One run per task.
  • The reference edits are professional edits, not certified ground truth.