Archive · 9 Aug 2025
Carlsen: Grok 4's Chess Skills Like 'Watching Kids'
Chess Grandmaster Magnus Carlsen watched a chess match between AI programs.
One AI, Grok 4, made a lot of mistakes and lost badly.
Carlsen said it played like a beginner.
The other AI, o3, played much better, like a real chess player.
Carlsen gave Grok 4 a low skill rating and o3 a much higher one, highlighting the differences in how well they understand the game.
Magnus Carlsen criticized xAI's Grok 4 after a chess match.
Grok 4 lost 4-0 to OpenAI's o3 model, making significant blunders.
Carlsen described Grok 4's chess skill as comparable to a child's game.
Carlsen rated Grok 4 at 800 and o3 at 1200 in chess skill.
Carlsen noted OpenAI's o3 played like an actual chess player.
- Who
- Magnus Carlsen, xAI's Grok 4, OpenAI's o3 model.
- What
- Magnus Carlsen assessed AI chess performance after a match.
- When
- Recently, after a chess match featuring AI models.
- Where
- In a commentary during an AI chess tournament.
- Why
- To evaluate and comment on the chess-playing abilities of AI models.
Grok 4
o3
Performance
Grok 4
Played poorly, made many blunders
o3
Played well with sound chess strategy
- Key Figure
- Magnus Carlsen
- AI Models
- Grok 4, o3
- Match Result
- Grok 4 lost 0-4
- Carlsen's Assessment of Grok 4
- Like a kid playing chess
- Carlsen's o3 Skill Rating
- 1200
- Carlsen's Grok 4 Skill Rating
- 800
Sources
Elon Musk Claims Old Grok 4 Is Better Than ChatGPT 5: Grok 5 Will Be 'Crushingly Good'
‘Like watching kids games’: Magnus Carlsen roasts Elon Musk’s Grok 4 as it gets humbled 4-0 by OpenAI’s o3 in chess tournament
GPT-5 launched: Elon Musk says Grok 5 will release soon and be crushingly good, warns Microsoft: ‘OpenAI will eat you alive’
What is GPT 5? How OpenAI is upgrading your ChatGPT experience
What Sets GPT-5 Apart: OpenAI’s new model promises human-like chat and fewer hallucinations
"OpenAI Will Eat Microsoft Alive": Elon Musk's Warning To Satya Nadella After GPT-5 Launch
Elon Musk Says Grok 4 Is Smarter Than OpenAI’s GPT-5
Elon Musk warns Satya Nadella ‘OpenAI will eat Microsoft alive’ as Sam Altman unveils GPT-5 - Telegraph India
OpenAI Will Eat Microsoft Alive: Musk To Satya Nadella After GPT-5 Launch
Magnus Carlsen grills Elon Musk's Grok 4 as OpenAI’s o3 crushes it 4-0: 'Learnt theory, knows nothing else'
Elon Musk warns Satya Nadella ‘OpenAI is going to eat Microsoft alive’
Elon Musk says Grok 4 is still smarter than OpenAI’s GPT-5
'OpenAI Going To Eat Microsoft Alive': Elon Musk Warns Satya Nadella After ChatGPT-5 Drop
Elon Musk Eyes Ads in Grok Chatbot to Fund Costly AI Hardware
'OpenAI Will Eat Microsoft Alive': Elon Musk To Satya Nadella After GPT-5 Reveal
OpenAI’s GPT-5 Met With Mixed Reviews, Confusion in First Day
Indian billionaire Harsh Goenka hails Satya Nadella’s reply to Elon Musk’s jab as ‘masterclass’: ‘Never mess with an Indian’