GPT-5.2 (xhigh)VSClaude Opus 4.5
Comparing performance, ranking, and specs for two leading large language models.
GPT-5.2 (xhigh)
Automated Verdict
GPT-5.2 (xhigh) leads by 1 points.
Currently ranked #1 overall in Large Language Models.
Claude Opus 4.5
Why choose GPT-5.2 (xhigh)?
- Ranked #1 in the world
- High performance score of 51
- Developed by OpenAI
Why choose Claude Opus 4.5?
- Ranked #2 in the world
- High performance score of 50
- Developed by Anthropic
In-Depth Comparison
GPT-5.2 (xhigh) vs Claude Opus 4.5: Which Large Language Models is Best?
Verdict: GPT-5.2 (xhigh) wins by 1 points.
GPT-5.2 (xhigh) takes the lead in this comparison, scoring 51 points to Claude Opus 4.5's 50. This 1-point gap suggests that GPT-5.2 (xhigh) slightly edges out its competitor in general intelligence.
For users focused on reasoning, coding capabilities, GPT-5.2 (xhigh) from OpenAI currently represents the state-of-the-art. Its higher Elo score indicates greater consistency across our benchmark set.
However, Claude Opus 4.5 remains a formidable contender. Ranked #2, it is a top-tier choice. Depending on your specific needs—such as licensing (Proprietary) or ecosystem integration—Claude Opus 4.5 may still be the right tool for your pipeline.
Comparison Data
| Feature | GPT-5.2 (xhigh) | Claude Opus 4.5 |
|---|---|---|
| Rank | #1 | #2 |
| Score | 51 | 50 |
| Developer | OpenAI | Anthropic |
| License | Proprietary | Proprietary |
Conclusion
Both models are excellent choices within the Large Language Models landscape. We recommend checking the full leaderboard for the most up-to-date rankings as new models are released frequently.