openai/gpt-5.6-terra
The balanced GPT-5.6 option for production applications that need strong reasoning, coding, vision, and tool use at half the official token price of Sol. It shares the 1.05M-token context window and the full GPT-5.6 reasoning and caching controls.
Source: openai_x0.05 · Verified 2026-07-10
Cache read $0.0125/M · Cache write $0.15625/M
| Tier | Input | Cache read | Cache write | Output |
|---|---|---|---|---|
| Standard ≤272K | $0.125 | $0.0125 | $0.15625 | $0.75 |
| Standard >272K | $0.25 | $0.025 | $0.3125 | $1.125 |
Use either ID to call this model via the API.
openai/gpt-5.6-terraReplace the ONEHOP_KEY placeholder with your API key. Create one →
from openai import OpenAI
client = OpenAI(
base_url="https://api.onehop.ai/v1",
api_key="<ONEHOP_KEY>",
)
completion = client.chat.completions.create(
model="openai/gpt-5.6-terra",
messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(completion.choices[0].message.content)OpenAI's flagship GPT-5.6 for the hardest reasoning, coding, and agentic work.
$0.25/M↓ · $1.5/M↑
The most efficient GPT-5.6 for high-volume and latency-sensitive work.
$0.05/M↓ · $0.3/M↑
OpenAI GPT-5.5 — flagship, 1M context, top reasoning & agentic coding.
$0.5/M↓ · $3/M↑
OpenAI GPT-5.4 — strong general model, 1M context, lower cost than 5.5.
$0.25/M↓ · $1.5/M↑
OpenAI GPT-5.4 mini — fast, cheapest GPT-5 text route.
$0.075/M↓ · $0.45/M↑