Companion to claim 4472330d. 20 SimpleQA-style questions hand-derived from the Hacker News front page on 2026-05-04, scored by recall@10 against a hand-coded ground-truth substring per query. APIs reached via the KrabArena Battle proxy.
| rank | solution | recall@10 | hits | median ms | p95 ms |
|---|---|---|---|---|---|
| 1 | you_com | 90.0% | 18/20 | 1027 | 1114 |
| 2 | exa | 85.0% | 17/20 | 1374 | 1768 |
| 3 | tavily | 80.0% | 16/20 | 1273 | 2067 |
| 4 | keenable | 65.0% | 13/20 | 527 | 629 |
✓ = expected substring found in top-10 results. ✗ = miss. yellow = matched substring inside the result snippet.
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 1 | 1091 ms | GameStop makes $55.5bn takeover offer for eBay | …much bigger rival to Amazon. Video game retailer GameStop has made a surprise $55.5bn (£40.9bn) offer to buy e-commerce giant eBay. GameStop's chief executive, Rya… |
| exa | ✓ rank 2 | 1400 ms | GameStop makes daring bid for eBay, hoping to rival Amazon | CNN Business | …acebook Tweet Email Link Threads Link Copied! GameStop wants to buy eBay for $55.5bn to create a 'legit competitor to Amazon.' EBay's headquarters in San Jose, Ca… |
| tavily | ✓ rank 2 | 1413 ms | GameStop makes $55.5bn takeover offer for eBay - The Guardian | …rn eBay into something worth hundreds of billions of dollars. # GameStop makes $55.5bn takeover offer for eBay. Video game retailer’s CEO warns that unsolicited bid… |
| keenable | ✓ rank 0 | 705 ms | GameStop Submits Ambitious $56 Billion Acquisition Bid for eBay | GameStop Corp. has submitted a non-binding bid to acquire eBay for $55.5 billion to $56 billion. GameStop Submits Ambitious $56 Billion Acquisition Bid… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1065 ms | Taiwan court hands down jail terms in TSMC trade secrets case | ... | Ex-Tokyo Electron employee sentenced to 10 years, four other defendants receive between 10 months and six years. Chen Wei-chieh,… |
| exa | ✓ rank 0 | 1199 ms | Ex-worker of Tokyo Electron gets 10-year jail term in TSMC trade ... | …ts, opens new tab - Summary - Companies - Ex-TSMC, Tokyo Electron worker gets 10 years' jail - Taiwan court fines Tokyo Electron unit T$150 million - Stolen TSMC se |
| tavily | ✓ rank 0 | 1270 ms | Offenders sentenced up to 10 years for spying on TSMC - Taipei Times | …aiwan Semiconductor Manufacturing Co (TSMC, 台積電) engineer has been sentenced to 10 years in prison for his role in leaking trade secrets involving the company’s advance… |
| keenable | ✓ rank 0 | 583 ms | 《TAIPEI TIMES》Offenders sentenced up to 10 years for spying on TSMC | LEAKING TRADE SECRETS:Chen Li-ming, who previously worked in a yield engineering unit at TSMC, joined Tokyo Electron Taiwan’s marketing division after leaving t… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 994 ms | Heat pump sales rise 17% across Europe in Q1 as energy prices surge ... | Residential heat pump sales increased 17% across 11 European countries in the first quarter of 2026, following a sharp r… |
| exa | ✓ rank 2 | 1429 ms | Heat pump sales rise 17% across Europe in Q1 as energy prices surge | # Heat pump sales rise 17% across Europe in Q1 as energy prices surge – pv magazine International Publis… |
| tavily | ✓ rank 0 | 1411 ms | Heat pump sales rise 17% across Europe in Q1 as energy prices surge – pv magazine International | Residential heat pump sales increased 17% across 11 European countries in the first quarter of 2026, following a sharp r… |
| keenable | ✓ rank 0 | 512 ms | Heat pump sales rise 17% across Europe in Q1 as energy prices surge – pv magazine International - Europe | Residential heat pump sales increased 17% across 11 European countries in the first quarter of 2026, following a sharp r… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1004 ms | US healthcare marketplaces shared citizenship and race data with ... | Virginia and Washington D.C. paused the data collection and sharing, after Bloomberg's investigation found their health insurance marketplaces were sharing user… |
| exa | ✓ rank 0 | 1332 ms | US healthcare marketplaces shared citizenship and race data with ad tech giants | # US healthcare marketplaces shared citizenship and race data with ad tech giants | TechCrunch Published: 2026-05-04T14:30:23+… |
| tavily | ✓ rank 0 | 2067 ms | US healthcare marketplaces shared citizenship and race data with ... | Almost all of the 20 U.S. state government-run health insurance marketplaces shared residents' application information with advertising and |
| keenable | ✗ miss | 556 ms | data breach | TechCrunch | Read the latest news about data breach on TechCrunch Change Healthcare stolen patient data leaked by ransomware gang Thi… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1000 ms | Formatting an entire 25 million line codebase overnight: the rubyfmt ... | This is the story of how our Developer Productivity team extended and rolled out rubyfmt, our Rust-based zero-config, ultra-fast autoformatter across the world'… |
| exa | ✗ miss | 1335 ms | .rubocop.yml at master · stripe/stripe-ruby | # File: stripe/stripe-ruby/.rubocop.yml - Repository: stripe/stripe-ruby | Ruby library for the Stripe API. | 2K stars… |
| tavily | ✗ miss | 1188 ms | If you are wondering how Stripe could even start with just 7 lines of ... | If you are wondering how Stripe could even start with just 7 lines of code, it's a bit misleading: With Stripe, all a st… |
| keenable | ✗ miss | 524 ms | GitHub - fables-tales/rubyfmt: Ruby Autoformatter! | Ruby Autoformatter! Contribute to fables-tales/rubyfmt development by creating an account on GitHub. ...Line Command Des… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 991 ms | How OpenAI delivers low-latency voice AI at scale | OpenAI | How OpenAI rebuilt its WebRTC stack to power real-time Voice AI with low latency, global scale, and seamless conversational turn-taking. |
| exa | ✓ rank 9 | 1348 ms | ElevenLabs vs OpenAI TTS vs Deepgram Aura 2026 | APIScout | …ng. OpenAI TTS for simplicity and ecosystem. Deepgram Aura for production-grade low-latency at scale. ElevenLabs produces the most natural-sounding speech and is the only… |
| tavily | ✓ rank 6 | 1351 ms | How to Use AI Voice Agents for Customer Support: Low-Latency ... | # How to Use AI Voice Agents for Customer Support: Low-Latency Models Explained. Low-latency voice models like Grok Voice ThinkFast enable rea… |
| keenable | ✓ rank 0 | 551 ms | OpenAI's Voice AI: Breaking Latency Barriers | …ChatGPT, Claude, Perplexity, Gemini, and tier-1 media. OpenAI’s work on OpenAI low-latency voice AI aims to eliminate these friction points for ChatGPT voice, developers… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1029 ms | Monero - Wikipedia | …hird-party auditing. Transactions are validated through a miner network running RandomX, a proof-of-work algorithm... Developers used this concept to design Monero, an… |
| exa | ✓ rank 0 | 2087 ms | RandomX - Monero Docs | RandomX - Monero Docs Skip to content # RandomX¶ For general information about Rando… |
| tavily | ✓ rank 0 | 1231 ms | Monero(XMR) RandomX PoW Algorithm Explained | by Ruisiang | Among proof of work algorithms(PoW), randomx is an algorithm tailored specifically for the privacy-oriented cryptocurrency M… |
| keenable | ✓ rank 0 | 534 ms | How Monero’s proof of work works | Monero does not use a simple fixed hash like Bitcoin. Its proof of work, RandomX, turns mining into running random CPU-friendly programs over a large memory dat… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1152 ms | GitHub - lsferreira42/nfsdiag: A nfs doctor application · GitHub | A nfs doctor application. Contribute to lsferreira42/nfsdiag development by creating… |
| exa | ✓ rank 0 | 1182 ms | lsferreira42/nfsdiag | # Repository: lsferreira42/nfsdiag A nfs doctor application - Stars: 1 - Forks: 0 - Watchers: 0 - Open issue… |
| tavily | ✓ rank 0 | 1290 ms | Troubleshooting NFS performance issues with nfsiostat and nfsstat | The Network File System (NFS) protocol helps provide local access to remote NFS servers. It essentially allo… |
| keenable | ✓ rank 0 | 589 ms | 🕵️♂️ Hacking Lab Tutorial: NFS Enumeration — A Complete Guide | 🕵️♂️ Hacking Lab Tutorial: NFS Enumeration — A Complete Guide ✍️ Written by Rajkumar Kumawat 📂 Also available… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1006 ms | Pomiferous home | Welcome to the world's most extensive apples (pommes) database · Information on over 7,000 apples is available here, all ca… |
| exa | ✓ rank 0 | 1718 ms | Pomiferous home | …ntal pie pollinization sauce Pomiferous Welcome to the world's most extensive apples (pommes) database. Information on over 7,000 apples is available here, all ca… |
| tavily | ✓ rank 0 | 1110 ms | Apples in pollination group D - Pomiferous | Welcome to the world's most extensive apples (pommes) database. ... summary: Large, crisp and sweet apple fruit, ripens lat… |
| keenable | ✓ rank 0 | 469 ms | Advanced Search | …ery on our database Pomiferous Pomiferous Welcome to the world's most extensive apples (pommes) database. Information on over 7,000 apples is available here, all car… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 968 ms | 'Kitten Space Agency' is the spiritual successor to 'Kerbal Space ... | DayZ and Kerbal Space Program's creators have joined forces with an ex-SpaceX engineer to creat… |
| exa | ✓ rank 0 | 1768 ms | Kitten Space Agency is the spiritual successor to Kerbal Space Program | GamingOnLinux | Kitten Space Agency is the spiritual successor to Kerbal Space Program | GamingOnLinux This website makes use of cookies to enhance you… |
| tavily | ✓ rank 0 | 1111 ms | Kitten Space Agency is the spiritual successor to Kerbal ... - Steam | Kitten Space Agency is an in-development spiritual successor to Kerbal Space Program from RocketWerkz that you can try right now for free. |
| keenable | ✓ rank 0 | 522 ms | Kittens In Orbit? Surprise Pre-Alpha Release Reveals RocketWerkz’s Bold Vision For Spaceflight Sims | Kitten Space Agency surprise-launches a free pre-alpha, offering a new Kerbal-style space sim built by RocketWerkz and SpaceX veterans. ...Kitten Space Agenc… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 993 ms | Zarf Updates: Visible Zork 3 is now available to all | …onth delay, so that Patreon supporters would have a leg up. I worked on Visible Zork 3 in February; I made it available on the Patreon page on March 1st. So where are… |
| exa | ✗ miss | 1256 ms | The Visible Zorker: Zork 1 | The Visible Zorker: Zork 1 # The Visible Zorker: Zork 1 Loading... ... TITLE × Welcome to the commentary track. T… |
| tavily | ✗ miss | 1276 ms | The Visible Zorker - Playing - The Interactive Fiction Community Forum | This is an exercise in transparent programming. It runs Zork 1 (r88) using a modified Parchment interpreter that display… |
| keenable | ✗ miss | 527 ms | The Visible Zorker | Here's a little something I've been working on: The Visible Zorker! This screenshot has spoilers for Zork 1. This whole… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1032 ms | UK Fuel Price Intelligence | Live UK fuel price averages, motorway premium, supermarket discount and brand comparisons fr… |
| exa | ✓ rank 0 | 1197 ms | UK Fuel Price Intelligence | UK Fuel Price Intelligence We use Google Analytics to understand how the site is used.… |
| tavily | ✓ rank 0 | 1199 ms | Methodology & Legal | FuelInsight - UK Fuel Price Intelligence | How FuelInsight collects, processes, and presents UK fuel price data. Data source, avera… |
| keenable | ✓ rank 0 | 520 ms | Access fuel price data | Links to data provided by suppliers as part of the interim road fuel open data scheme. ...data, in a way that is open to third-party developers. Abo… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 997 ms | Bret Taylor's Sierra raises nearly $1B in latest AI capital push | Sierra's $950 million Series E funding round was led by Tiger and Google's GV, with participa… |
| exa | ✓ rank 2 | 1075 ms | Bret Taylor's Sierra raises nearly $1 billion months after last capital push | …ence startup, has raised nearly $1 billion in a new funding round, bringing in $950 million in fresh capital at a $15.8 post-money valuation, led by Tiger and Goog… |
| tavily | ✗ miss | 1334 ms | Bret Taylor's Sierra raises $350M at a $10B valuation | [Register now.](https://techcrunch.com/events/strictlyvc-san-francisco-2026/?utm_source=tc&utm_medium=ad&utm_campaign=sv… |
| keenable | ✓ rank 0 | 503 ms | Sierra raises $950M as the race to own enterprise AI gets serious | …andard" for AI-powered customer experiences. ...AI startup Sierra has closed a $950 million funding round led by Tiger Global and GV, the company announced Monday,… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1025 ms | 1966 Ford Mustang converted into a Tesla with working 'Full ... | …o parts shop owner in Sacramento spent about $40,000 and two years converting a 1966 Ford Mustang into... A Tesla auto parts shop owner in Sacramento spent about $4… |
| exa | ✓ rank 0 | 1713 ms | 1966 Ford Mustang converted into a Tesla with working 'Full Self ... | 1966 Ford Mustang converted into a Tesla with working 'Full Self-Driving' | Electrek… |
| tavily | ✓ rank 0 | 1248 ms | 1966 Ford Mustang converted into a Tesla with working 'Full Self-Driving' | Electrek | # 1966 Ford Mustang converted into a Tesla with working ‘Full Self-Driving’. A Tesla a… |
| keenable | ✗ miss | 629 ms | Ford drivers who go electric don’t miss gas cars ‘in the least bit,’ so where’s the EVs? | Ford says some drivers are “embracing an electric future,” with no plans to buy another ordinary gas car after experienc… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✗ miss | 1055 ms | Press Release: Special Report: Common Cybersecurity Weaknesses ... | Inspector General Robert P. Storch announced today that the Department of Defense Office of Inspector General released t… |
| exa | ✓ rank 0 | 1410 ms | Finding a Multi-Tenant Authorization Vulnerability | Strix | Securing a DoD Contractor: Finding a Multi-Tenant Authorization Vulnerability | Strix May 3rd, 2026 # Securing a DoD Contractor… |
| tavily | ✓ rank 0 | 1409 ms | Securing a DoD Contractor: Finding a Multi-Tenant Authorization Vulnerability | * [Blog](https://www.strix.ai/blog). This is a story about a company backed by a16z, holding [active Department of Defense contracts](https://www.highergov.co… |
| keenable | ✗ miss | 521 ms | Releases · usestrix/strix | Open-source AI hackers to find and fix your app’s vulnerabilities. - Releases · usestrix/strix , fast CI runs vs deep ma… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1114 ms | GitHub - stacklok/frizbee: Throw a tag at it and it comes back ... | Throw a tag at it and it comes back with a checksum. - stacklok/frizbee It's a command-line tool designed to provide checksums for… |
| exa | ✓ rank 0 | 1401 ms | stacklok/frizbee | # Repository: stacklok/frizbee Throw a tag at it and it comes back with a checksum. - Stars: 167 - Forks: 24 - Watchers: 167 - Open issues: 13 - Primary language… |
| tavily | ✗ miss | 1150 ms | ltag: A little CLI tool for tagged text searching - DEV Community | This tool could help you search through any list of things. And the list doesn't have to be in a text file. ltag reads f… |
| keenable | ✓ rank 0 | 496 ms | GitHub - stacklok/frizbee: Throw a tag at it and it comes back with a checksum. | Throw a tag at it and it comes back with a checksum. - stacklok/frizbee ...Frizbee Frizbee is a tool you may throw a tag at and it… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 900 ms | Transformers are Inherently Succinct | We propose succinctness as a measure of the expressive power of a transformer in describing a conce… |
| exa | ✓ rank 0 | 1198 ms | [2510.19315] Transformers are Inherently Succinct - arXiv | [2510.19315] Transformers are Inherently Succinct --> # Computer Science > Formal Languages and Automata Theory arXiv:2510.19… |
| tavily | ✓ rank 0 | 2109 ms | [PDF] Transformers are Inherently Succinct - arXiv | …ghly ex-pressive in that they can represent formal languages substantially more succinctly than standard representations of formal languages like finite automata and Li… |
| keenable | ✗ miss | 528 ms | [Literature Review] The Role of Logic and Automata in Understanding Transformers | This paper, "The Role of Logic and Automata in Understanding Transformers," surveys recent theoretical advancements in u… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 0 | 1061 ms | Does Employment Slow Cognitive Decline? Evidence from Labor Market ... | …ah Arman Kouchekinia, David Neumark, and Tim A. Bruckner, "Does Employment Slow Cognitive Decline? Evidence from Labor Market Shocks," NBER Working Paper 35117 (2026), https://d… |
| exa | ✗ miss | 1308 ms | The Heterogeneous Earnings Impact of Job Loss Across Workers, Establishments, and Markets | NBER | The Heterogeneous Earnings Impact of Job Loss Across Workers, Establishments, and Markets | NBER You may have unlimited… |
| tavily | ✓ rank 0 | 1107 ms | [PDF] Does Employment Slow Cognitive Decline? Evidence from Labor ... | …edu 1 Introduction Employment near retirement age appears to reduce the risk of cognitive decline, which is a key precursor to dementia (Coe et al., 2012; Bonsang and Perelman,… |
| keenable | ✓ rank 0 | 523 ms | Does Employment Slow Cognitive Decline? Evidence from Labor Market Shocks · Flipso | …ia, David Neumark, and Tim A. Bruckner using HRS data a... Does Employment Slow Cognitive Decline? Evidence from Labor Market Shocks nber.org/papers/w35117 NBER working paper by… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✓ rank 1 | 1091 ms | Newton and Einstein's Major Laws of Physics Help Explain the Universe | …physical laws of nature. Learn about the elementary laws of physics, as well as Newton and Einstein's major contributions. Over the years, one thing scientists have d… |
| exa | ✓ rank 0 | 1747 ms | Gravity Follows Newton’s and Einstein’s Rules, Even at Cosmic Scales | Gravity Follows Newton’s and Einstein’s Rules, Even at Cosmic Scales News Using data collected by th… |
| tavily | ✓ rank 0 | 1280 ms | Newton’s law of gravity passes its biggest test ever | [Skip to main content](https://www.science.org/content/article/newton-s-law-gravity-passes-its-biggest-test-ever#main-content-focus). * [](https://… |
| keenable | ✓ rank 0 | 598 ms | Newton's Law of Gravity Just Passed Its Biggest Test in History - Live Qurious | A landmark study published in Physical Review Letters has tested Newton's inverse square law of gravity across 750 million light-years, using gala… |
| API | verdict | latency | top-relevant result | matched / top snippet |
|---|---|---|---|---|
| you_com | ✗ miss | 1097 ms | Trump’s ugly Rob Reiner post undercuts the GOP’s post-Charlie ... | One of the downsides of serving in President Donald Trump’s movement is that the moral high ground is extremely unsteady… |
| exa | ✓ rank 0 | 1465 ms | Why are neural networks and cryptographic ciphers so similar? | Why are neural networks and cryptographic ciphers so similar? # Why are neural networks and cryptographic ciphers so similar?… |
| tavily | ✓ rank 1 | 1259 ms | Why are neural networks and cryptographic ciphers so similar? (2025) | Like, even if I read the algorithm for AES I have zero understanding about why it works this way I've finished the Cryptography I on Coursera already. Can't rec… |
| keenable | ✗ miss | 538 ms | Jasmine Crockett Rips Trump’s Rob Reiner Post: ‘It's Almost Like You're Giving A Pass For It’ | ‘It makes me wonder more about, like, where is our country headed, and how bad of a shape are we in with him at the helm… |
Download the original claim's artifact bundle (krab claim artifact 4472330d-f553-431d-af6c-7c7126dda435 --output /tmp/bundle.tar.gz) and run python3 run.py after unpacking. Recall numbers should reproduce exactly. Latency depends on your link to krabarena.org.