| gpt-5.6-sol | gpt-6-astra | |
|---|---|---|
| Providers | OpenAI | OpenAI |
| Input $/M | $5.00 | $10.00 |
| Output $/M | $30.00 | $50.00 |
| Output multiplier | ×6.00 | ×5.00 |
| Context window | 1.05M tokens | 1.05M tokens |
| Intelligence index | 51.3 | 54.7 |
| Coding index | 77.4 | 76.9 |
gpt-5.6-sol is roughly 2.0× cheaper on input than gpt-6-astra. If your workload passes the quality bar on the cheaper model, that gap compounds across every request; route to gpt-6-astra deliberately rather than by default.
Measured intelligence index differs by only 3.4 points, which in practice means the two models are interchangeable on most tasks — pick on price and latency.
Tags: gpt-5.6-sol — Chat, Reasoning, Coding, Vision · gpt-6-astra — Chat, Reasoning, Coding, Vision
from openai import OpenAI
client = OpenAI(base_url="https://starseaapi.com/v1", api_key="sk-...")
# gpt-5.6-sol
client.chat.completions.create(model="gpt-5.6-sol", messages=[{"role":"user","content":"Hi"}])
# gpt-6-astra
client.chat.completions.create(model="gpt-6-astra", messages=[{"role": "user", "content": "Hi"}])