Model ID
Put this value in the request body's `model` field — not the display name above.
by Anthropic · Anthropic Claude Sonnet 4.5: 200K context, reasoning, vision and tool calling.
POST /v1/chat/completionshttps://api.dflop.top/v1curl https://api.dflop.top/v1/chat/completions \
-H "Authorization: Bearer sk-gpushare-xxxxxxxx" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-4-5-20250929",
"messages": [
{"role": "user", "content": "你可以帮我做什么"}
]
}'Billed per token: input and output are priced separately and settled on the upstream's reported usage.
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Pick a key under "API access" and fire one real request to see the response — the estimated cost is shown before you send.
404 model_not_foundYou passed the display name instead of the model ID.✗ Claude Sonnet 4.5→✓ claude-sonnet-4-5-20250929
→ Copy the Model ID at the top of this page
402 quota_exceededInsufficient account balance. All your API keys share one balance.
401 / 403The API key is invalid, or it has a model allowlist that doesn't include this ID.
→ Check the key's status and allowed models
400 invalid_requestA request body field is invalid, or this model doesn't support the protocol endpoint you called.
→ Check your request body against the sample code above
Input price is about $3 per 1M tokens. Markdown version of this page (Chinese): /models/claude-sonnet-4-5-20250929.md