Hackernews posts about Claude 4.5

1. Estimating the Size of Claude Opus 4.5/4.6 (unexcitedneurons.substack.com)
   1 points by jychang 9 days ago | discuss
2. “Car Wash” test with 53 models (opper.ai)
   371 points by felix089 26 days ago | 447 comments
3. Show HN: A real-time strategy game that AI agents can play (llmskirmish.com)
   220 points by __cayenne__ 24 days ago | 78 comments
4. Show HN: I made a static site for exploring names (namex.lyall.co)
   4 points by lyall 29 days ago | 8 comments
5. Show HN: I built a LLM human rights evaluator for HN (content vs. site behavior) (observatory.unratified.org)
   3 points by 9wzYQbTYsAIc 17 days ago | 2 comments
6. The Car Wash Problem: A variable isolation study on prompt architecture
   2 points by midmost44 29 days ago | 1 comments
7. Show HN: Voiced, image-based D&D inspired AI-native RPG (i-am-neon.itch.io)
   1 points by tommywilczek 15 days ago | 5 comments
8. Ask HN: Optimizing Claude Code Workflow: Subscription or API Billing?
   3 points by robeym 11 days ago | discuss
9. Show HN: Reduce LLM token use by ~30% with this MCP/CLI tool(Claude benchmarked)
   2 points by jahala 16 days ago | 1 comments
10. Show HN: Thought Canvas – Develop Ideas with AI (Mind Mapping) (www.thoughtcanvas.app)
    1 points by thesunnez 16 days ago | 2 comments
11. Show HN: Open-data dashboard aggregating 143 feeds for Alberta municipalities (albertapulsecheck.ca)
    1 points by flossypurse 8 days ago | discuss
12. Sharing internal AI adoption/spend stats from Sentry
    1 points by jshchnz 30 days ago | discuss
13. Claude Sonnet 4.5 (www.anthropic.com)
    1585 points by adocomplete 6 months ago | 786 comments
14. Claude Opus 4.5 (www.anthropic.com)
    1113 points by adocomplete 4 months ago | 506 comments
15. Claude Haiku 4.5 (www.anthropic.com)
    730 points by adocomplete 5 months ago | 287 comments
16. Claude 4.5 Opus’ Soul Document (www.lesswrong.com)
    342 points by the-needful 4 months ago | 244 comments
17. IQuest-Coder: A new open-source code model beats Claude Sonnet 4.5 and GPT 5.1 [pdf] (github.com)
    182 points by shenli3514 3 months ago | 49 comments
18. Insights into Claude Opus 4.5 from Pokémon (www.lesswrong.com)
    123 points by surprisetalk 2 months ago | 23 comments
19. Claude Haiku 4.5 System Card [pdf] (assets.anthropic.com)
    51 points by vinhnx 5 months ago | 1 comments
20. Claude 4.5 Opus' Soul Document (www.lesswrong.com)
    38 points by thm 4 months ago | 13 comments
21. Claude Sonnet 4.5 System Card [pdf] (assets.anthropic.com)
    38 points by synthwave 6 months ago | 1 comments
22. Cursor and Claude Opus 4.5 is a game changer
    21 points by seinecle 3 months ago | 12 comments
23. Claude 4.5 Opus' Soul Document (www.lesswrong.com)
    16 points by mcculley 4 months ago | 2 comments
24. Claude 4.5 Opus Soul Document, which has now been confirmed by Anthropic (gist.github.com)
    14 points by simonw 4 months ago | 1 comments
25. Tensor 1.5 is out and it's matching Claude 4.5 Opus (movementlabs.ai)
    12 points by movementlabs-AI 3 months ago | 6 comments
26. Claude Sonnet 4.5 is probably the "best coding model in the world", at least now (simonwillison.net)
    9 points by coloneltcb 6 months ago | discuss
27. Claude Opus 4.5 disappears suddenly from GitHub Copilot (github.com)
    8 points by tantona 2 months ago | 3 comments
28. Grok 4.1 vs. Claude 4.5 Sonnet – here's the AI model that's smarter (www.tomsguide.com)
    8 points by eibrahim 3 months ago | 2 comments
29. Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult (simonwillison.net)
    7 points by janpio 4 months ago | 2 comments
30. Claude Sonnet 4.5 autonomously generates Slack clone in one shot in 30 hours (www.theverge.com)
    6 points by yodon 6 months ago | 3 comments
31. Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult (simonwillison.net)
    6 points by jonesn11 4 months ago | 1 comments
32. Claude Sonnet 4.5 (www.anthropic.com)
    6 points by itchyjunk 6 months ago | discuss
33. Ask HN: Claude Opus 4.5 vs. GPT 5.1 Codex Max for coding. Worth the upgrade?
    5 points by terabytest 3 months ago | 6 comments
34. The Poison Pill in Anthropic's 'Soul Document' for Claude Opus 4.5 (schrodingerschatbot.substack.com)
    5 points by dave1010uk 4 months ago | 2 comments
35. Show HN: Completely free Claude Sonnet 4.5, supported by contextual ads
    5 points by namanyayg 4 months ago | 2 comments
36. My Thoughts on Claude Opus 4.5 (www.mckaywrigley.com)
    5 points by tosh 3 months ago | 1 comments
37. Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult (simonw.substack.com)
    5 points by hackthegibson2 4 months ago | 1 comments
38. Claude Sonnet 4.5 is probably the best coding model in world (at least for now) (simonwillison.net)
    5 points by vismit2000 6 months ago | discuss
39. Claude Sonnet 4.5 can build software and accomplish business tasks autonomously (fortune.com)
    4 points by vuonghtt 6 months ago | 1 comments
40. Claude Opus 4.5 has a 50%-time horizon of around 4 hrs 49 mins (twitter.com)
    4 points by linusg789 3 months ago | discuss
41. Claude 4.5 Can Now Build and Run Real Apps Instantly (davia.ai)
    4 points by ruben-davia 6 months ago | discuss
42. Claude Sonnet 4.5 knows when it's being tested (www.transformernews.ai)
    4 points by dawie 6 months ago | discuss