GPT-4ovsQwen3
GPT-4o | Qwen3 | |
|---|---|---|
| Specifications | ||
Parameters | — | 235B |
Context window | 128k | 128k |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 12% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 49.9% | — |
| Overview | ||
| Company | OpenAI | Qwen |
| Release date | May 13 2024 | Apr 29 2025 |
| Access | Proprietary | Open Weight |
Which is better: GPT-4o or Qwen3?
GPT-4o and Qwen3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4o shipped 351 days before Qwen3, so benchmark comparisons should account for the intervening progress.
Context windows are 128k (GPT-4o) vs 128k (Qwen3). GPT-4o is proprietary, while Qwen3 is open weight.
Direct benchmark comparisons are unavailable — GPT-4o and Qwen3 don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-4o was released by OpenAI on May 13 2024.
Qwen3 was released by Qwen on Apr 29 2025.
GPT-4o has a 128k context window; Qwen3 has 128k.
GPT-4o is a proprietary model released by OpenAI. Qwen3 is an open weight model released by Qwen.