Claude Opus 5
Vendor keyClaude Opus 5 is the current model in Anthropic's Opus family, for complex agentic coding and enterprise work. Anthropic recommends starting with it for most workloads. It is a step-change improvement over Claude Opus 4.8, with the largest gains in deep reasoning, agentic and long-horizon tasks, and test-time compute scaling.
The real Anthropic model
Same weights, same API, same answers. We change only how you pay for it: one key for every maker, one bill, no separate account to open. Every figure on this page comes from Anthropic’s own page — check it.
Maker's own pagePrice
per 1M tokens
Input
Output
$5.00
$25.00
Context
1,000,000
up to 128,000 out
Modalities
Released
Jul 24, 2026
Knows up to May 2026
What it would cost you
1000 tokens is roughly 750 English words.
Where this model runs
Similar models
Models built for the same kind of work, at a similar price.
We do not mark up the price of tokens. It is the same price the provider charges. We earn on the top-up fee.
Use it from your code
from openai import OpenAI
# Works with the official openai package (pip install openai)
client = OpenAI(
base_url="https://api.flintbeam.com/v1",
api_key="sk-live-your-api-key"
)
response = client.chat.completions.create(
model="anthropic/claude-opus-5",
messages=[
{"role": "system", "content": "You are an experienced software engineer."},
{"role": "user", "content": "Describe the architecture of a distributed cache."}
],
temperature=0.7,
max_tokens=1500
)
print(response.choices[0].message.content)