Files API Integration
Upload files up to 500 MB once and reuse them across multiple requests using a persistent file_id.

file
text
File Analysis
curl --request POST "https://gptproto.com/v1/messages" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--header "anthropic-version: 2023-06-01" \
--data '{
"model": "claude-opus-4-6",
"max_tokens": 1024,
"messages": [
{
"role": "user",
"content": [
{
"type": "text",
"text": "Please analyze this PDF document and provide a summary of its content"
},
{
"type": "document",
"source": {
"type": "url",
"url": "https://tos.gptproto.com/resource/gptproto.pdf"
}
}
]
}
]
}'Technical highlights of the ai claude opus 4.6 framework.
Upload files up to 500 MB once and reuse them across multiple requests using a persistent file_id.

A top-tier choice for Rust and professional software engineering with deep context understanding.

Seamlessly process images, PDFs, and plain text within a single, high-capacity context window.

The ai claude opus 4.6 excels at complex problem solving and trick prompts that stymie lesser models.

Follow these simple steps to set up your account, get credits, and start sending API requests to claude opus 4.6 via GPT Proto.

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