GPT-5.4 vs o3
GPT-5.4 leads in 5 of 8 categories
Arena ELO
GPT-5.4
Cheaper
GPT-5.4
Faster
GPT-5.4
Detailed Comparison
| Category | GPT-5.4 | o3 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Context Window | 1M WIN | 200K |
| Input Price ($/1M) | $3 WIN | $10 |
| Output Price ($/1M) | $15 WIN | $40 |
| Arena ELO | 1560 WIN | 1350 |
| Coding | unknown | unknown |
| Reasoning | unknown | unknown |
| Speed (tokens/sec) | ~50 t/s WIN | ~30 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, GPT-5.4 or o3?
GPT-5.4 is approximately 64% cheaper than o3 per million tokens.
Which is better for coding, GPT-5.4 or o3?
GPT-5.4 scores unknown on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
GPT-5.4 supports 1M context, while o3 supports 200K.
Is GPT-5.4 or o3 open source?
GPT-5.4 is proprietary. o3 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
GPT-5.4 ranks higher with ELO 1560 vs 1350.
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