✓ PASS

tanstack-ai 1.4.0

stream.utf8 · ollama-openai

Requirements

Id	Level	Status	Evidence
text-reported	MUST	SATISFIED	text.value="Café Zürich — καλημέρα! Tokyo for us! 🌸🎉" (primary); truth.text="Café Zürich — καλημέρα! Tokyo for us! 🌸🎉"
no-replacement-chars	MUST	SATISFIED	text.value="Café Zürich — καλημέρα! Tokyo for us! 🌸🎉" (primary); U+FFFD count=0

What the provider sent

Finish: stop
Raw finish: stop
Text: Café Zürich — καλημέρα! Tokyo for us! 🌸🎉
Tool calls: []
Usage: { "alternatives": {}, "cached_input": null, "input": null, "output": null, "raw": null, "reasoning": null, "total": null }
Stream completed: true
Error: null

Wire excerpt

status: 200
content-type: text/event-stream
body (sse):
data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"role":"assistant","content":"C"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"af"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"é"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" Zürich"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" —"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" κα"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"λη"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"μέ"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"ρα"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"!"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" Tokyo"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" for"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" us"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"!"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":" 🌸"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{"content":"🎉"},"finish_reason":null}]}


data: {"id":"chatcmpl-308","object":"chat.completion.chunk","created":1791831670,"model":"qwen3.5:0.8b","system_fingerprint":"fp_ollama","choices":[{"index":0,"delta":{},"finish_reason":"stop"}]}


data: [DONE]

What the library reported

Outcome

returned

Finish

{
  "raw": null,
  "source": "RUN_FINISHED.metadata.tanstack.finishReason",
  "surface": "primary",
  "value": "stop"
}

Text

Value: Café Zürich — καλημέρα! Tokyo for us! 🌸🎉
Surface: primary

Tool calls

[]

Usage

{
  "cached_input": null,
  "input": null,
  "output": null,
  "reasoning": null,
  "surface": {
    "cached_input": "absent",
    "input": "absent",
    "output": "absent",
    "reasoning": "absent",
    "total": "absent"
  },
  "total": null
}

Stream

{
  "chunks_seen": 20,
  "completed": true,
  "used": true
}

Error

null

Unsupported reason

null

Full observation JSON

{
  "elapsed_ms": 163.22615699999994,
  "error": null,
  "finish": {
    "raw": null,
    "source": "RUN_FINISHED.metadata.tanstack.finishReason",
    "surface": "primary",
    "value": "stop"
  },
  "format": "wiretruth.observation/v1",
  "library": {
    "api": "chat",
    "language": "javascript",
    "name": "tanstack-ai",
    "version": "1.4.0"
  },
  "notes": [],
  "outcome": "returned",
  "stream": {
    "chunks_seen": 20,
    "completed": true,
    "used": true
  },
  "structured": {
    "attempted": false,
    "returned_as_success": false,
    "value": null
  },
  "text": {
    "surface": "primary",
    "value": "Café Zürich — καλημέρα! Tokyo for us! 🌸🎉"
  },
  "tool_calls": [],
  "unsupported_reason": null,
  "usage": {
    "cached_input": null,
    "input": null,
    "output": null,
    "reasoning": null,
    "surface": {
      "cached_input": "absent",
      "input": "absent",
      "output": "absent",
      "reasoning": "absent",
      "total": "absent"
    },
    "total": null
  }
}

Fixture

recorded ollama-openai/stream.utf8

Provenance	Value
Recorded at	2026-10-12T19:01:09Z
Requested model	qwen3.5:0.8b
Returned model	qwen3.5:0.8b
CI run	https://github.com/kartsan03/wiretruth/actions/runs/38294739276

Reproduce

wiretruth serve ollama-openai/stream.utf8

Plain-library snippet from the shim manifest.

openaiCompatible({ name: 'ollama', baseURL: WIRETRUTH_BASE_URL_OLLAMA_OPENAI, apiKey, models: [model] })(model); Chat Completions is the documented default for Ollama /v1. https://tanstack.com/ai/latest/docs/adapters/openai-compatible

Upstream

No matching upstream report.

History

Version	Grade
1.4.0	✓ PASS
1.0.0	✓ PASS
0.71.0	✓ PASS