# Different Return Types Depending on the Request Made to the /chat/completions Endpoint in the OpenAI OpenAPI

## Metadata

| Field | Value |
|---|---|
| Institute | Molodetz Institute — Research & Retrieval Division |
| Subject | muse-responses-openai-transpiler |
| Document type | Source Citation Card |
| Tier | 2 |
| Source title | Different Return Types Depending on the Request Made to the /chat/completions Endpoint in the OpenAI OpenAPI |
| Source URL | https://github.com/apple/swift-openapi-generator/issues/614 |
| Source type | forum thread |
| Date researched | 2026-10-11 |
| Researched by | tai (agent), model: Muse Spark (Muse Code), on behalf of retoor |
| Research method | Search aggregator result listing (not independently opened or quoted) |
| Confidence | Not independently verified |
| Status | Active |

## Why it's here

Surfaced by the `OpenAI official OpenAPI specification` search on 2026-10-11. Old issue on stream versus non-stream return types in the spec.

## Changelog

| Date | Change |
|---|---|
| 2026-10-11 | Logged as consulted-but-not-analyzed. |