ModelGuessr: Can you tell which AI you're chatting with?
Details
- External ID
- 46277067
- Source
- HN
- Company
- —
- Product
- ModelGuessr: Can you tell which AI you're chatting with?
- Website domain
- model-guessr.com
- Launched
- Dec. 15, 2025
- Cohort
- —
- Upvotes
- 6
- Upvotes percentile
- 0.2652671755725191
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:25 p.m.
- Updated at
- Sept. 7, 2026, 9:25 p.m.
Description
Hey HN - I built ModelGuessr, a game where you chat with a random AI model and try to guess which one it is.A big open question in AI is whether there's enough brand differentiation for AI companies to capture real profits. Will models end up commoditized like cloud compute, or differentiated like smartphones?I built ModelGuessr to test this. I think that people will struggle more than they expect. And the more model mix-ups there are, the more commodity-like these models probably are.If enough people play, I'll publish some follow-up analyses on confusion patterns (which models get mistaken for each other, what gives them away, etc.). Would love any feedback!
Enrichment
- Theme
- AI visibility and marketing tools
- Vertical
- Horizontal
- Function
- Observability & eval
- Audience
- Developer
- AI stance
- AI feature
- Project type
- Hobby / open-source project
- Normalized one-liner
- identify which ai model you're chatting with
- Manually corrected
- False
Could you build this?
Yes It is a straightforward web guessing game that proxies prompts to standard LLM provider APIs (OpenAI, Anthropic, Google) and evaluates user guesses.
Discussion
2 comments analyzed.
Concerns raised: Page doesn't refresh after correct guess, allowing unintended model switching
Feature requests: Auto-refresh page after correct guess to start new round
Competitors
Other products that read as similar to this one — 195 launches clear the similarity bar, closest 8 shown.
Attention rank: #158 of 196 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 41 days after the earliest competitor.
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- Parley · ph · 2026-09-19 · 1 upvotes · similarity 0.43
- I built a tool to make AI recommend you (and I'm conflicted about it) · hn · 2025-12-18 · 7 upvotes · similarity 0.43
- A game/benchmark where AI bots hunt each other · hn · 2026-01-08 · 5 upvotes · similarity 0.43
- Spec27 · hn · 2026-04-30 · 13 upvotes · similarity 0.42
- ❓ Gauge Sentiment: See exactly how AI models talk about your brand · yc · 2026-04-21 · 6 upvotes · similarity 0.41
- A strategy game about the AI race where you can't verify alignment · hn · 2026-07-06 · 6 upvotes · similarity 0.41
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a observability & eval tool for Media & entertainment yet.