ch01_single_call

attempt

1

method

POST

url

https://api.deepseek.com/v1/chat/completions

defaulted (7)

temperature, max_tokens, top_p, stop, seed, tools, tool_choice

headers (18)

show

accept	application/json
accept-encoding	gzip, deflate, zstd
authorization	not recorded
connection	keep-alive
content-length	290
content-type	application/json
host	api.deepseek.com
user-agent	OpenAI/Python 3.6.0
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x-stainless-lang	python
x-stainless-os	MacOS
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x-stainless-raw-response	true
x-stainless-read-timeout	60.0
x-stainless-retry-count	0
x-stainless-runtime	CPython
x-stainless-runtime-version	3.14.7

{
  "messages": [
    {
      "content": "You answer briefly and plainly.",
      "role": "system"
    },
    {
      "content": "In one sentence, and per The Hitchhiker's Guide to the Galaxy: what is the Answer to the Ultimate Question of Life, the Universe, and Everything?",
      "role": "user"
    }
  ],
  "model": "deepseek-flash",
  "stream": false
}

status

200

headers (15)

show

access-control-allow-credentials	true
connection	keep-alive
content-encoding	gzip
content-type	application/json
date	Sun, 13 Sep 2026 21:51:11 GMT
server	elb
strict-transport-security	max-age=31536000; includeSubDomains; preload
transfer-encoding	chunked
vary	origin, access-control-request-method, access-control-request-headers
via	1.1 898cace407c8c555d5663d79cc4cc36a.cloudfront.net (CloudFront)
x-amz-cf-id	JV_-XqIHbpwliTUSJsuBoLfn_R7fTWNsw5xmCMoM2VcRNK6ng_Eyqg==
x-amz-cf-pop	DEN52-P3
x-cache	Miss from cloudfront
x-content-type-options	nosniff
x-ds-trace-id	0a4f309bb3b4ec5bb942ea3dbb8032aa

{
  "id": "c107fe9a-b429-4ab8-9be0-54b9c476d691",
  "object": "chat.completion",
  "created": 1789336271,
  "model": "deepseek-flash",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "The Answer to the Ultimate Question of Life, the Universe, and Everything is 42.",
        "reasoning_content": "We need answer one sentence, per Hitchhiker's Guide. The answer is 42. Need maybe one sentence. \"The Answer to the Ultimate Question of Life, the Universe, and Everything is 42.\" That's one sentence. Ensure per HHGTTG."
      },
      "logprobs": null,
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 69,
    "completion_tokens": 74,
    "total_tokens": 143,
    "prompt_tokens_details": {
      "cached_tokens": 0
    },
    "completion_tokens_details": {
      "reasoning_tokens": 55
    },
    "prompt_cache_hit_tokens": 0,
    "prompt_cache_miss_tokens": 69
  },
  "system_fingerprint": "aeb56401ca74e127821c4f9126dcb669"
}