Hackernews posts about GPT 4.5

Show HN: ACE – A dynamic benchmark measuring the cost to break AI agents (fabraix.com)

9 points by zachdotai 2 days ago | 3 comments
Ask HN: Do multiple short stints in startups hurt even if you've learned a lot?

5 points by gokuljs 8 days ago | 2 comments
GPT-4.5 (openai.com)

1136 points by meetpateltech about 1 year ago | 988 comments
GPT-4.5 or GPT-5 being tested on LMSYS? (rentry.co)

543 points by atemerev almost 2 years ago | 360 comments
GPT 4.5 level for 1% of the price (twitter.com)

296 points by decide1000 about 1 year ago | 257 comments
Hot take: GPT 4.5 is a nothing burger (garymarcus.substack.com)

256 points by isaacfrond about 1 year ago | 280 comments
GPT-4.5: "Not a frontier model"? (www.interconnects.ai)

166 points by pama about 1 year ago | 161 comments
OpenAI Roadmap Update for GPT-4.5 and GPT-5 (twitter.com)

58 points by gigaArpit about 1 year ago | 13 comments
OpenAI GPT-4.5 System Card [pdf] (cdn.openai.com)

31 points by scrlk about 1 year ago | 4 comments
An OpenAI researcher who worked on GPT-4.5 had their green card denied (techcrunch.com)

12 points by ydnyshhh 12 months ago | 1 comments
DeepSeek-V3-0324 Crushes GPT-4.5 in Math and Code Benchmarks at 1/277 the Cost (api-docs.deepseek.com)

10 points by kong75 about 1 year ago | 2 comments
Introduction to GPT-4.5 [video] (www.youtube.com)

10 points by mfiguiere about 1 year ago | discuss
OpenAI plans to phase out GPT-4.5, its largest-ever AI model, from its API (techcrunch.com)

7 points by falcor84 12 months ago | discuss
DeepSeek V3 0324 outpaces GPT 4.5 and Claude 3.7 in coding, other benchmarks (huggingface.co)

7 points by xianshou about 1 year ago | discuss
OpenAI shows diminishing returns with underwhelming GPT-4.5 release (arstechnica.com)

6 points by rntn about 1 year ago | 1 comments
GPT-4.5 Is Ready (twitter.com)

6 points by gmays about 1 year ago | 1 comments
GPT-4.5 preview in the OpenAI API will be shut down on July 14, 2025 (platform.openai.com)

6 points by peterdavehello 10 months ago | discuss
Pre-Training GPT-4.5 [video] (www.youtube.com)

5 points by meetpateltech 12 months ago | discuss
Baidu Releases Ernie 4.5 and X1 Models Outperforming GPT-4.5 for 1% the Cost (www.analyticsvidhya.com)

5 points by antman about 1 year ago | discuss
Pre-Training GPT-4.5 [video] (www.youtube.com)

4 points by waynenilsen 12 months ago | 2 comments
GPT-4.5 has entered the Chat (twitter.com)

4 points by tosh about 1 year ago | 1 comments
GPT-4.5: Silicon Valley's Most Sophisticated Con Artist (www.vincentschmalbach.com)

4 points by vincent_s about 1 year ago | discuss
Preprint study: GPT-4.5 is the first AI model to pass an authentic Turing test (www.livescience.com)

3 points by giuliomagnifico 12 months ago | 1 comments
The latest ChatGPT-4o (2025-03-26) jumps to #2 on LMArena, surpassing GPT-4.5 (twitter.com)

3 points by peterdavehello about 1 year ago | 1 comments
Grok-3-Preview-02-24 tops lmarena Leaderboard; GPT-4.5-Preview within 95% CI (lmarena.ai)

3 points by NavinF about 1 year ago | 1 comments
Why GPT-5 used less training compute than GPT-4.5 (but GPT-6 probably won't) (epoch.ai)

3 points by frozenseven 6 months ago | discuss
OpenAI claims its newest GPT-4.5 should 'hallucinate less'. How is it measured? (www.abc.net.au)

3 points by tu7001 about 1 year ago | discuss
I gave GPT 4.5 my journal to test its emotional intelligence (twitter.com)

3 points by ArnavAgrawal03 about 1 year ago | discuss
GPT-4.5 spotted in ChatGPT web build (twitter.com)

3 points by Philpax about 1 year ago | discuss
When asked what model it is, GTP-5 says it's GPT-4.5

2 points by jari_mustonen 8 months ago | 2 comments
Experimental 3.5T K2 merge beats GPT-4.5 and Opus at writing (huggingface.co)

2 points by bo0tzz 6 months ago | 1 comments
We Gave GPT-4.5 a Myers-Briggs Test. It's an Extrovert (every.to)

2 points by rbanffy about 1 year ago | 1 comments