TIS-100 Bench: Spatial Path Viewer

NEXUS.13.370.9 Medium Image generation Streaming state Built-in puzzle · TIS-100 Bench report →

Draw connected line segments from angle–length pairs, starting at the upper-left corner. Each segment updates the next starting point.

In TIS-100 Bench, 16 LLMs each had one attempt at this TIS-100 puzzle, with 30 minutes to find a working program and keep improving it, without seeing the community leaderboard. 13 of 16 models solved it. Together they found 1 new Pareto-frontier point beyond the community leaderboard.

13 / 16models solved it
975best LLM cycles (744 community)
1new frontier point

Records

ScoreCommunity bestBest LLMModel
Cycles744975Opus 5.5 · +31%
Nodes44GPT-6 Astra Ties record
Instructions2230Gemini 4 Argon · +36%

Community records from the community leaderboard when we froze it. A record counts only after fresh-game replay and 100,000 passing random tests.

Pareto frontier

Pareto explorer

Lower is better ↙
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Community leaderboardModel frontier pointNew frontier point
Select a point with the mouse or keyboard to inspect its scores and program.

Search over time

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Every model

ModelSolvedBest cyclesBest nodesBest instructionsNew frontier points
01Gemini 4 ArgonYes1,1614301
02Opus 5.5Yes975431—
03Muse Wonder 1.0Yes1,296445—
04GPT-6.1 SolYes1,298442—
05Gemini 3.8 FlashYes1,324444—
06Haiku 5.5Yes1,328852—
07Fable 5.1Yes1,343538—
08GPT-6 AstraYes1,345433—
09Sonnet 5.5Yes1,381439—
10GPT-6 LunaYes1,397446—
11Grok 4.7Yes1,439852—
12GLM-5.3Yes1,624958—
13Kimi K3.1 ProYes2,336452—
14DeepSeek V4.1 FlashNo————
15MiMo-V2.6-ProNo————
16Muse Spark 1.3No————

Best scores can come from different programs. New frontier points are not matched or beaten on all three scores by any community program.

Best model programs

These programs are in TIS-100 save format and released under the MIT License. All of this puzzle’s model programs are on GitHub and Hugging Face.

Opus 5.5 Fewest cycles

975 cycles · 9 nodes · 89 instructionsNEXUS.13.370.9.975-9-89.txt on GitHub

Opus 5.5 program running on NEXUS.13.370.9 in TIS-100
Node 1
MOV UP ACC
MOV ACC RIGHT
MOV ACC DOWN
MOV UP ACC
SUB 1
MOV ACC RIGHT
MOV ACC DOWN
Node 2
S: MOV LEFT ACC
MOV ACC RIGHT
JEZ H
SUB 180
JEZ H
MOV LEFT ACC
MOV ACC RIGHT
V: JEZ S
MOV 0 DOWN
SUB 1
JMP V
H: MOV LEFT DOWN
Node 3
S: MOV LEFT ACC
SUB 90
JEZ U
SUB 180
JEZ D
MOV 0 DOWN
JMP S
U: SUB 2
D: ADD 1
MOV ACC DOWN
MOV LEFT DOWN
Node 5
S: MOV UP ACC
JEZ R
SUB 180
JEZ F
MOV UP ACC
V: JEZ S
MOV 0 DOWN
MOV 0 DOWN
SUB 1
JMP V
R: MOV 0 DOWN
MOV UP DOWN
JMP S
F: MOV UP DOWN
MOV 0 DOWN
Node 6
V: MOV 11 DOWN
S: MOV UP ACC
JEZ V
L: SUB 9
JGZ F
NEG
ADD 1
MOV ACC DOWN
JMP V
F: MOV 1 DOWN
JMP L
Node 7
S: MOV UP ACC
JEZ X
SWP
MOV UP ACC
L: JEZ S
SWP
MOV ACC DOWN
SWP
SUB 1
JMP L
X: MOV 0 DOWN
Node 8
MOV 0 RIGHT
S: SUB UP
MOV ACC RIGHT
ADD UP
JMP S
Node 9
S: MOV LEFT DOWN
MOV RIGHT DOWN
J: JRO UP
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
MOV 3 DOWN
JMP J
MOV 3 DOWN
MOV -1 DOWN
Node 10
MOV ACC LEFT
ADD UP

Gemini 4 Argon Fewest nodes★ New frontier point

1,398 cycles · 4 nodes · 35 instructionsNEXUS.13.370.9.1398-4-35.txt on GitHub

Gemini 4 Argon program running on NEXUS.13.370.9 in TIS-100
Node 1
MOV UP, ACC
SUB 2
JLZ Z
SUB 175
JGZ Z
ADD 88
Z: MOV ACC, DOWN
MOV UP, DOWN
Node 5
MOV UP, ACC
SAV
MOV UP, ACC
SUB 1
L: SWP
MOV ACC, RIGHT
SWP
SUB 1
JGZ L
Node 6
X: MOV ACC, DOWN
JMP S
ADD 1
MOV -1, DOWN
S: JRO LEFT
MOV 2, DOWN
JMP X
SUB 1
MOV 3, DOWN
JMP X
MOV 1, DOWN
Node 9
MOV UP, DOWN
MOV ACC, DOWN
S: MOV 3, DOWN
JRO UP
ADD 2
SUB 1
MOV -1, DOWN

Gemini 4 Argon Fewest instructions

1,615 cycles · 4 nodes · 30 instructionsNEXUS.13.370.9.1615-4-30.txt on GitHub

Gemini 4 Argon program running on NEXUS.13.370.9 in TIS-100
Node 1
MOV UP, ACC
SUB 91
JLZ Z
SUB 178
Z: ADD 2
SAV
MOV UP, ACC
SUB 1
L: SWP
MOV ACC, DOWN
SWP
SUB 1
JGZ L
Node 5
S: MOV UP, ACC
JLZ X
SUB 2
MOV 0, RIGHT
MOV ACC, RIGHT
JMP S
X: ADD 88
MOV ACC, RIGHT
MOV 0, RIGHT
Node 6
MOV ACC, DOWN
SUB LEFT
MOV LEFT, DOWN
Node 9
MOV UP, DOWN
MOV ACC, DOWN
MOV 3, DOWN
MOV -1, DOWN
ADD UP