TIS-100 Bench: Signal Exponentiator

NEXUS.21.601.6 Hard Arithmetic construction Built-in puzzle · TIS-100 Bench report →

Raise one input to the power of another without multiplication or exponentiation instructions. Nested arithmetic magnifies loop costs.

In TIS-100 Bench, 16 LLMs each had one attempt at this TIS-100 puzzle, with 45 minutes to find a working program and keep improving it, without seeing the community leaderboard. 16 of 16 models solved it. Together they found 1 new Pareto-frontier point beyond the community leaderboard.

16 / 16models solved it
1,259best LLM cycles (289 community)
1new frontier point

Records

ScoreCommunity bestBest LLMModel
Cycles2891,259Opus 5.5 · +336%
Nodes44Fable 5.1 Ties record
Instructions2228Gemini 4 Argon · +27%

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

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Every model

ModelSolvedBest cyclesBest nodesBest instructionsNew frontier points
01Sonnet 5.5Yes1,3695291
02Opus 5.5Yes1,259430—
03Gemini 4 ArgonYes1,586428—
04MiMo-V2.6-ProYes1,623552—
05GPT-6 AstraYes1,641430—
06GPT-6.1 SolYes1,653430—
07Gemini 3.8 FlashYes1,698548—
08Fable 5.1Yes1,929434—
09Kimi K3.1 ProYes2,256428—
10GLM-5.3Yes3,117651—
11GPT-6 LunaYes3,300541—
12Haiku 5.5Yes3,681436—
13DeepSeek V4.1 FlashYes4,551543—
14Muse Wonder 1.0Yes5,113437—
15Muse Spark 1.3Yes5,153439—
16Grok 4.7Yes5,230440—

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

1,259 cycles · 6 nodes · 62 instructionsNEXUS.21.601.6.1259-6-62.txt on GitHub

Opus 5.5 program running on NEXUS.21.601.6 in TIS-100
Node 1
MOV UP, ACC
MOV ACC, RIGHT
MOV ACC, DOWN
NEG
JRO RIGHT
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV -12, DOWN
Node 2
MOV UP, RIGHT
MOV LEFT, ACC
NEG
MOV RIGHT, LEFT
JRO RIGHT
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV 1, DOWN
Node 3
MOV LEFT, ACC
SUB 11
NEG
MOV ACC, LEFT
MOV ACC, LEFT
Node 4
MOV UP, ACC
JMP S
ADD RIGHT
ADD RIGHT
ADD RIGHT
ADD RIGHT
ADD RIGHT
ADD RIGHT
ADD RIGHT
ADD RIGHT
ADD RIGHT
S: MOV ACC, RIGHT
JRO UP
Node 5
JMP R
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
MOV ACC, LEFT
R: MOV LEFT, ACC
JRO UP
MOV ACC, DOWN
Node 7
MOV UP, DOWN

Opus 5.5 Fewest nodes

1,651 cycles · 4 nodes · 49 instructionsNEXUS.21.601.6.1651-4-49.txt on GitHub

Opus 5.5 program running on NEXUS.21.601.6 in TIS-100
Node 1
MOV UP, ACC
MOV ACC, RIGHT
NEG
SUB 1
MOV ACC, RIGHT
Node 2
MOV LEFT, DOWN
MOV LEFT, ACC
SAV
MOV UP, ACC
SUB 1
JEZ E
L: SWP
MOV ACC, DOWN
MOV ACC, DOWN
SWP
SUB 1
JGZ L
E: MOV 1, DOWN
MOV 1, DOWN
Node 5
JMP I
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
R: MOV DOWN, ACC
MOV UP, DOWN
JRO UP
I: MOV UP, DOWN
JMP R
Node 7
MOV UP, ACC
JMP S
ADD UP
ADD UP
ADD UP
ADD UP
ADD UP
ADD UP
ADD UP
ADD UP
ADD UP
S: MOV ACC, UP
NOP
JRO UP
MOV ACC, DOWN

Gemini 4 Argon Fewest instructions

4,917 cycles · 4 nodes · 28 instructionsNEXUS.21.601.6.4917-4-28.txt on GitHub

Gemini 4 Argon program running on NEXUS.21.601.6 in TIS-100
Node 1
MOV UP, ACC
MOV ACC, RIGHT
JRO RIGHT
Node 2
MOV UP, ACC
M: SUB 1
SWP
MOV LEFT, ACC
A: SUB 1
JEZ B
MOV 1, DOWN
JMP A
B: MOV -1, DOWN
SWP
JEZ D
MOV -1, LEFT
JMP M
D: MOV -2, LEFT
MOV 6, DOWN
Node 5
MOV 1, ACC
M: SAV
L: JRO UP
SWP
MOV ACC, RIGHT
SWP
ADD RIGHT
JMP L
MOV ACC, DOWN
Node 7
MOV UP, DOWN