Every resource founders actually use, in one library.

What founders use most, ranked by how many answers lean on it.

1. The independent standard for comparing intelligence, speed, and price on one chart. artificialanalysis.ai Tool · How Founders Use AI LLM Leaderboard: Comparison of over 100 AI models Artificial Analysis
2. Continuously updated rankings pulled straight from provider APIs; good second opinion. llm-stats.com Tool · How Founders Use AI LLM Stats: Compare 300+ models by intelligence, speed, price LLM Stats
3. Product-builder-oriented leaderboard that maps benchmark scores to practical use cases. vellum.ai Tool · How Founders Use AI Vellum LLM Leaderboard Vellum
4. Fastest way to sanity-check what any model actually costs before you wire it in. pricepertoken.com Tool · How Founders Use AI Price Per Token leaderboards Price Per Token
5. A structured comparison across reasoning, coding, context, and compliance rather than hype. intuitionlabs.ai Article · How Founders Use AI Claude vs ChatGPT vs Copilot vs Gemini: Enterprise Guide IntuitionLabs
6. Side-by-side output quality on real writing tasks, the kind of eval founders should copy. blog.type.ai Article · How Founders Use AI Who Wrote it Better? Claude vs ChatGPT vs Gemini Type.ai
7. Explains what each benchmark measures so you stop choosing models on a single headline number. futureagi.com Article · How Founders Use AI LLM Benchmarks: GPT-5, Claude, Gemini, Grok compared Future AGI
8. A serving-infrastructure company's practical map of the open-weight landscape. bentoml.com Article · How Founders Use AI The Best Open-Source LLMs BentoML
9. A decision framework for the open-vs-closed call, written for teams shipping to customers. techcommunity.microsoft.com Article · How Founders Use AI Comparing Open-Source vs Closed LLMs for Enterprise Apps Microsoft
10. Covers the hybrid pattern most teams actually land on: closed for frontier tasks, open for private or high-volume ones. hakia.com Article · How Founders Use AI Open Source vs Closed LLMs: Technical Comparison Hakia
11. From an India-founded ML platform: how gateways make model choice reversible. truefoundry.com Article · How Founders Use AI Helicone vs OpenRouter: Key Differences TrueFoundry
12. The lock-in insurance layer compared hands-on, including India-built Portkey. klymentiev.com Guide · How Founders Use AI LLM Gateway guide: OpenRouter vs LiteLLM vs Portkey vs Helicone Dmytro Klymentiev
13. A second, eval-minded view on routing layers so you can switch providers in an afternoon. braintrust.dev Article · How Founders Use AI 6 best LLM gateways for developers Braintrust
14. Video · How Founders Use AI How I use LLMs Andrej Karpathy
15. A regularly refreshed plain-English rundown of the current frontier models and their sweet spots. codingscape.com Article · How Founders Use AI Most powerful LLMs (Large Language Models) Codingscape
16. YC partners on how model progress should shape what founders build now versus wait on. creators.spotify.com Podcast · How Founders Use AI The 10 Trillion Parameter AI Model With 300 IQ (Lightcone) Y Combinator (Lightcone Podcast)
17. The essay that made evals a founder-level topic; failed LLM products almost always skipped this. hamel.dev Article · How Founders Use AI Your AI Product Needs Evals Hamel Husain
18. A free written masterclass version if you want the method without the course fee. aakashg.com Guide · How Founders Use AI How to Master AI Evals: Step-by-Step with Hamel and Shreya Aakash Gupta (Product Growth)
19. Open-source, config-file evals that run in CI; used by OpenAI and Anthropic themselves. github.com Tool · How Founders Use AI Promptfoo Promptfoo
20. Gets your first automated eval running in under an hour. datacamp.com Guide · How Founders Use AI Promptfoo Tutorial: A Hands-On Guide to LLM Evaluation DataCamp
21. A current map of the eval tooling landscape so you pick once, correctly. braintrust.dev Article · How Founders Use AI Best Prompt Evaluation Tools (Tested and Compared) Braintrust
22. Video · How Founders Use AI AI Engineer World's Fair 2025: Evals track AI Engineer conference
23. A conversational companion to Hamel's essay with concrete team workflows. humanloop.com Article · How Founders Use AI Why Your AI Product Needs Evals, with Hamel Husain Humanloop
24. A live-demo episode: watch error analysis actually being done on screen. podcasts.apple.com Podcast · How Founders Use AI Evals, error analysis, and better prompts | Hamel Husain How I AI (Claire Vo)

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