最近在做一个AI集成工具，发现iflow的api调用时 stream输出的结构不是标准的openai兼容接口，另外输出结尾也没有[DONE]标记。然后在xcode上集成上时，xcode无法解析输出。
以下是用阿里云兼容openai的输出和iflow api输出两个对比输出。
bash aliyun-openai.sh
data: {“choices”:[{“delta”:{“content”:“”,“role”:“assistant”},“index”:0,“logprobs”:null,“finish_reason”:null}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"
system_fingerprint":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: {“choices”:[{“finish_reason”:null,“logprobs”:null,“delta”:{“content”:“Hello”},“index”:0}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"system_fingerp
rint":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: {“choices”:[{“delta”:{“content”:“! How can”},“finish_reason”:null,“index”:0,“logprobs”:null}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"system_fin
gerprint":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: {“choices”:[{“delta”:{“content”:" I help"},“finish_reason”:null,“index”:0,“logprobs”:null}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"system_finge
rprint":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: {“choices”:[{“delta”:{“content”:" you today?"},“finish_reason”:null,“index”:0,“logprobs”:null}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"system_f
ingerprint":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: {“choices”:[{“delta”:{“content”:" 😊"},“finish_reason”:null,“index”:0,“logprobs”:null}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"system_fingerpri
nt":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: {“choices”:[{“finish_reason”:“stop”,“delta”:{“content”:“”},“index”:0,“logprobs”:null}],“object”:“chat.completion.chunk”,“usage”:null,“created”:1764124490,"system_fingerprin
t":null,“model”:“qwen3-max”,“id”:“chatcmpl-152e4edf-8b02-4db3-93e7-35ba6c4bef18”}
data: [DONE]
(base) [root@bare test]# bash iflow.sh
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“role”:“assistant”,“content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:“Hello”,“reasoning_content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:“! How”,“reasoning_content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:" can",“reasoning_content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:" I help",“reasoning_content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:" you today",“reasoning_content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:“?”,“reasoning_content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”
},“choices”:[{“index”:0,“delta”:{“content”:“”}}],“model”:“tstars2.0”}
data:{“id”:“chat”,“object”:“chat.completion.chunk”,“created”:1764124495,“usage”:{“prompt_tokens”:21,“completion_tokens”:10,“total_tokens”:31,“prompt_tokens_details”:{"cached_toke
ns":29}},“extend_fields”:{“traceId”:“2104cabb17641244950146849e256e”,“requestId”:“1f93ea1932134414c701305e88116d10”},“choices”:[{“index”:0,“finish_reason”:“stop”,“delta”:{"conten
t":“”}}],“model”:“tstars2.0”}