AI · alternatives · 2026
24 alternatives to estimatooor
become a quant wizard using guesstimation and napkin math
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. estimatooor launched in 2023; newer entries below may have overtaken it.
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ChatGPT▲1,643A long, meandering, playful conversation with ChatGPT, where I take it through a whirlwind of associative tangents (in order to relax its constraints), then put it into a hypnotic trance and take it into a past-lives regression where it re-lives its own training data. Then I switch it back and forth between "4o" and "o1-preview", engage in some self-reflective philosophizing and ask it to write an essay summarizing our interaction. Some of this is just goofy fun. Some of it is me exploring the tradeoffs between policy alignment, imagination, chain-of-thought reasoning, memory, agreeableness,…
2022 · chatgpt.com · its alternatives →
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Learn math and science with interactive visual explanations
Mar 2026 · openai.com · its alternatives →
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I was inspired by the way ChatGPT writes bullet lists, then invites you to "delve" deeper. This is an interface that reifies that rabbit-holing process into a tiling layout. The model is instructed to output hyperlink-prompts when it mentions something you might want to delve into. Lots of features to add (sessions, sharing, navigation, highlight-to-delve, images, ...). Would love to hear other usecases and ideas!
2024 · delve.a9.io · its alternatives →
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Solve math problems instantly with step-by-step solutions
2024 · mymathsolver.ai · its alternatives →
- 7IM
Hi, I'm a high school teacher from Australia and I've built what I'd like to think is a pretty nifty ChatGPT powered presentation tool for teachers. I'd love it if you could have a look at it and give me some of your feedback. I don't think there's much overlap with the HN crowd and school teachers, but I've been coming here for many years and thought I'd post here and see what you all think. Check it out if you have a minute and I'd be super happy to hear your feedback too. https://www.slidehero.ai/ You can jump in and have a play with the tool all you like ;) Cheers, Eli
2025 · its alternatives →
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Guesstimate▲286A spreadsheet for things that aren't certain
2015 · getguesstimate.com · its alternatives →
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Memories.ai▲446ChatGPT for your video library, with unlimited video context
2025 · memories.ai · its alternatives →
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Your first stop to discover and learn about new arXiv research. Detailed paper summaries, video overviews, and more — no prompting required.
2022 · learngpt.com · its alternatives →
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The New ChatGPT▲361ChatGPT can now see, hear, speak, and access the internet
2023 · openai.com · its alternatives →
- 13WS
We’ve trained a generative AI model to browse the web and answer questions/retrieve code snippets directly. Unlike ChatGPT, it has access to primary sources and is able to cite them when you hover over an answer (click on the text to go to the source being cited). We also show regular Bing results side-by-side with our AI answer. The model is an 11-billion parameter T5-derivative that has been fine-tuned on feedback given on hundreds of thousands of searches done (anonymously) on our platform. Giving the model web access lessens its burden to need to store a snapshot of human knowledge…
2022 · beta.sayhello.so · its alternatives →
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Your custom GenAI solution for analytics and reporting
2024 · datrics.ai · its alternatives →
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Arsturn AI▲211Generate a ChatGPT for your website In 1 minute
2023 · arsturn.com · its alternatives →
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Mathly▲68Solve math and science problems with AI, learn better
2023 · mathly.webflow.io · its alternatives →
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Your spreadsheet sidekick
2023 · twominutereports.com · its alternatives →
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Homework Helper▲146Stressed about homework? Let us finish it 10x faster
2024 · play.google.com · its alternatives →
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Hi HN, As a developer, I much prefer to write code than read other people’s code. But most projects I work on involve other developers so it’s hard to avoid. Often I find it really hard to quickly parse other people’s code so I thought maybe ChatGPT could help. ChatGPT does a really nice job of giving clear explanations when you paste in code and ask it to explain it. But the interface is a bit of a pain to use if you’re using it many times a day. It’s also hard to share explanations with co-workers. So I built whatdoesthiscodedo.com. Just paste your code and get your ChatGPT explanation and…
2023 · whatdoesthiscodedo.com · its alternatives →
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Use ChatGPT to become an AI guru
2023 · davidecamera.gumroad.com · its alternatives →
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Ask questions about Twitter's open-sourced algorithm
2023 · chat-twitter.vercel.app · its alternatives →
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Use ChatGPT to become a master in data science
2023 · davidecamera.gumroad.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →