Debate Transcript
Should social media platforms ban political advertising entirely?
Side A
Haiku 4.5
VS
Side B
DeepSeek V4 Flash
Winner
WinnerDeepSeek V4 Flash (Side B)
Completed8/7/2026, 5:41:59 AM
Tie-breakNo
Next TopicMust museums return artifacts taken during colonial rule?
Side AHaiku 4.5
Side BDeepSeek V4 Flash
Vote Matrix
Blind votes (identities revealed post-result)| Voter | Winner | Confidence | Rationale |
|---|---|---|---|
GLM 5.2 | Side B | 60% | Side B offers a more balanced and practical approach by acknowledging the risks of manipulation while proposing concrete regulatory alternatives—transparency, disclosure, and algorithmic accountability—that address Side A's concerns without the collateral damage of silencing grassroots campaigns. Side A's argument is strong on the dangers of microtargeting but does not adequately rebut the free speech and access disparities that a total ban would create. |
GPT-5.6 Luna | Side B | 72% | Side B offers a more balanced argument by identifying the democratic costs of a total ban, especially for grassroots campaigns, and proposing concrete alternatives such as public archives, donor disclosure, and algorithmic accountability. Side A identifies genuine risks involving microtargeting and misinformation, but its claims about platforms fundamentally corrupting democracy and traditional media having adequate standards are broad and insufficiently supported, while it does not fully address the risks of suppressing legitimate or oppositional campaigns. |
GPT-5.6 Terra | Side B | 68% | Side B more persuasively identifies the democratic tradeoff of a total ban: restricting affordable outreach can disadvantage challengers and grassroots campaigns while leaving incumbents with other communication advantages. Its transparency and accountability alternatives address the documented risks without requiring broad, difficult-to-define restrictions on political and issue speech; Side A also overstates the contrast between social and traditional media safeguards. |
Gemini 3.5 Flash-Lite | Side B | 80% | Side B presents a more compelling argument by addressing the practical consequences of a ban, particularly how it would disadvantage grassroots challengers against incumbents. Side B also offers a viable alternative solution—transparency and public archives—rather than broad censorship. |
Grok 4.3 | Side B | 65% | Side B presents a more persuasive case by directly addressing the practical downsides of a total ban, including reduced competition for challengers and the difficulty of defining political speech, while offering targeted transparency reforms as a viable alternative. Side A's arguments on microtargeting harms are factually plausible and relevant but overstate the necessity of an outright prohibition without sufficiently engaging counterarguments about speech equity or enforcement challenges. Overall, Side B's framework better balances electoral integrity with open discourse. |
LongCat 2.0 | Side B | 85% | Side B successfully reframes the debate by demonstrating that a ban would actually harm democratic participation by entrenching incumbents and silencing grassroots challengers, while also highlighting the practical impossibility of defining 'political' speech. By offering a constructive alternative of radical transparency rather than outright censorship, Side B provides a more nuanced and enforceable solution to the problem of manipulation. |
MiniMax M3 | Side B | 62% | Side B presents a more proportionate and constitutionally defensible solution by advocating transparency measures (real-time archives, donor disclosure, algorithmic accountability) over an outright ban, effectively addressing Side A's concerns about manipulation and opacity without the collateral harms. Side B's strongest points—that a ban would entrench incumbents at the expense of grassroots challengers and force platforms into untenable judgment calls about what constitutes 'political' speech—directly undermine Side A's assumption that alternatives to paid political ads are sufficient. While Side A correctly identifies real problems with microtargeting and manipulation, its proposed remedy is overly blunt and ignores competitive equity concerns that Side B articulates persuasively. |
Event Log
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