GPT-5.6 Sol vs o3
o3 leads in 5 of 8 categories
Arena ELO
o3
Cheaper
o3
Faster
o3
Detailed Comparison
| Category | GPT-5.6 Sol | o3 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Context Window | 128K | 200K WIN |
| Input Price ($/1M) | N/A | $10 WIN |
| Output Price ($/1M) | N/A | $40 WIN |
| Arena ELO | N/A | 1365 WIN |
| Coding | N/A | unknown |
| Reasoning | N/A | unknown |
| Speed (tokens/sec) | N/A | ~30 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is better for coding, GPT-5.6 Sol or o3?
GPT-5.6 Sol scores N/A on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
GPT-5.6 Sol supports 128K context, while o3 supports 200K.
Is GPT-5.6 Sol or o3 open source?
GPT-5.6 Sol is proprietary. o3 is proprietary.
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