GPT-5.5
GPT-5.5 is OpenAI's current flagship, built for the most demanding general-purpose reasoning, coding, and agentic workloads. It pairs a 1M-token context window with strong tool-use and long-horizon task handling. Reach for it when you want OpenAI's top model quality and the most widely-supported API surface for production agents, complex coding, and research.
Pricing
Input
$5.00 / 1M
Output
$30.00 / 1M
Pay only for what you use. No subscriptions, no minimums.
Specs
- Context
- 1M
- Max output
- 128K
- Latency
- Medium
- Category
- Text
- Arabic
- Strong
Quick start
Use any OpenAI-compatible client. Just change base_url and your key.
from openai import OpenAI
client = OpenAI(
api_key="tl-xxxxxxxxxxxxxxxxxxxxxxxx",
base_url="https://api.thalam.ai/v1",
)
response = client.chat.completions.create(
model="openai/gpt-5.5",
messages=[
{"role": "user", "content": "Hello from Thalam!"}
],
)
print(response.choices[0].message.content)Similar models
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