Claude - Askr

Claude is Anthropic’s family of models, known for careful reasoning, strong writing and reliable code. Its long context window makes it a good fit for large documents and multi-step tasks.

Best for

Long-context work: big documents, codebases and transcripts.
Nuanced writing, editing and summarisation.
Careful, step-by-step reasoning and tool use.


Modality	Chat & code (text in, text out)
Example model id	`claude-4.5-sonnet`
Endpoint	`POST /chat/completions`

Example

curl https://api.heyaskr.ai/chat/completions \
  -H "Authorization: Bearer ASKR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-4.5-sonnet",
    "messages": [
      {"role": "user", "content": "Summarise this contract in three bullets."}
    ]
  }'

from openai import OpenAI
client = OpenAI(base_url="https://api.heyaskr.ai", api_key="ASKR_API_KEY")

resp = client.chat.completions.create(
    model="claude-4.5-sonnet",
    messages=[
        {"role": "user", "content": "Summarise this contract in three bullets."},
    ],
)
print(resp.choices[0].message.content)

Pricing

Priced per token, input and output separately. As a rough guide, expect around $3 per 1M input tokens and $15 per 1M output tokens for a mid-tier Claude model. Lighter models cost less.

Image
Claude on Askr: model card and pricing

The model id and prices above are examples. Confirm the exact id and current price against the live /v1/models list before you rely on them.

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