TIS-100 Bench: Signal Divider

Divide A by B and output both quotient and remainder, using an instruction set without division.

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. 16 of 16 models solved it. Together they found 2 new Pareto-frontier points beyond the community leaderboard.

16 / 16models solved it
1,376best LLM cycles (862 community)
2new frontier points

Records

ScoreCommunity bestBest LLMModel
Cycles8621,376GPT-6 Astra · +60%
Nodes55DeepSeek V4.1 Flash Ties record
Instructions1720GPT-6 Astra · +18%

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 ↙
Loading interactive Pareto explorer…
Community leaderboardModel frontier pointNew frontier point
Select a point with the mouse or keyboard to inspect its scores and program.

Search over time

Loading puzzle trajectories…

Every model

ModelSolvedBest cyclesBest nodesBest instructionsNew frontier points
01GPT-6 AstraYes1,3765201
02Gemini 4 ArgonYes1,6785201
03GPT-6.1 SolYes1,551523—
04Sonnet 5.5Yes1,863522—
05Gemini 3.8 FlashYes1,932525—
06Fable 5.1Yes2,092522—
07DeepSeek V4.1 FlashYes2,984530—
08Opus 5.5Yes3,013522—
09Muse Wonder 1.0Yes3,159526—
10Kimi K3.1 ProYes4,204522—
11Haiku 5.5Yes5,633522—
12Grok 4.7Yes6,024632—
13GPT-6 LunaYes6,465526—
14GLM-5.3Yes8,330530—
15MiMo-V2.6-ProYes8,334636—
16Muse Spark 1.3Yes17,542638—

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.

GPT-6 Astra Fewest cycles★ New frontier point

1,376 cycles · 7 nodes · 57 instructions61212.1376-7-57.txt on GitHub

GPT-6 Astra program running on 61212 in TIS-100
Node 0
MOV -16 ACC
L: ADD 8
JRO RIGHT
MOV ACC DOWN
Node 1
MOV UP ACC
ADD 1
L: SUB RIGHT
MOV -1 RIGHT
MOV -1 LEFT
JGZ L
ADD RIGHT
MOV 1 RIGHT
MOV 1 LEFT
MOV ACC DOWN
Node 2
MOV UP ACC
SAV
ADD ACC
ADD ACC
ADD ACC
L: MOV ACC LEFT
JRO LEFT
SWP
MOV ACC DOWN
Node 4
S: MOV UP ACC
MOV LEFT DOWN
SUB 1
L: SAV
SUB RIGHT
JLZ N
MOV 1 DOWN
JMP C
N: SWP
MOV 2 DOWN
C: JRO RIGHT
MOV ACC DOWN
Node 5
MOV UP ACC
SAV
ADD ACC
MOV ACC RIGHT
ADD ACC
MOV ACC LEFT
MOV -7 LEFT
MOV RIGHT LEFT
MOV -7 LEFT
SWP
MOV ACC LEFT
MOV 1 LEFT
Node 7
MOV UP ACC
JRO UP
ADD 4
JRO UP
ADD 2
JRO UP
ADD 1
MOV ACC DOWN
MOV UP RIGHT
Node 8
MOV LEFT DOWN

Sonnet 5.5 Fewest nodes

1,951 cycles · 5 nodes · 34 instructions61212.1951-5-34.txt on GitHub

Sonnet 5.5 program running on 61212 in TIS-100
Node 1
MOV UP, ACC
L: SUB RIGHT
JLZ F
MOV -1, DOWN
MOV -1, RIGHT
JMP L
F: MOV 1, RIGHT
MOV 1, DOWN
ADD RIGHT
JLZ F
MOV -99, RIGHT
MOV 3, DOWN
MOV ACC, DOWN
Node 2
MOV UP, ACC
SAV
ADD ACC
ADD ACC
ADD ACC
MOV ACC, LEFT
JRO LEFT
SWP
MOV ACC, LEFT
JRO LEFT
JRO -2
Node 4
SUB ACC
ADD 8
L: JRO UP
SUB 1
JMP L
MOV UP, DOWN
MOV ACC, DOWN
Node 7
MOV UP, RIGHT
MOV UP, DOWN
Node 8
MOV LEFT, DOWN

Gemini 4 Argon Fewest instructions

6,311 cycles · 5 nodes · 20 instructions61212.6311-5-20.txt on GitHub

Gemini 4 Argon program running on 61212 in TIS-100
Node 1
MOV UP, ACC
L: SUB RIGHT
MOV -1, RIGHT
JLZ E
MOV -1, DOWN
JMP L
E: MOV 1, DOWN
ADD RIGHT
MOV -2, RIGHT
MOV ACC, DOWN
Node 2
MOV UP, ACC
MOV ACC, LEFT
JRO LEFT
Node 4
MOV UP, DOWN
Node 7
MOV -1, ACC
ADD 1
JRO UP
MOV ACC, DOWN
MOV UP, RIGHT
Node 8
MOV LEFT, DOWN