streamText only returning one chunk

chatApi.get("/test", async (c) => {
  const openai = new OpenAI({
    apiKey: c.env.OPEN_AI_API_KEY,
  })

  return streamText(c, async (stream) => {
    const result = await openai.chat.completions.create({
      model: "gpt-4o-mini-2024-07-18",
      messages: [
        {
          role: "system",
          content: "You are a helpful assistant",
        },
        {
          role: "user",
          content: "Tell me a story",
        },
      ],
      stream: true,
    })

    for await (const chunk of result) {
      console.log(chunk.choices[0]?.delta?.content)
      await stream.write(chunk.choices[0]?.delta?.content ?? "")
    }
  })
})

chatApi.get("/test", async (c) => {
  const openai = new OpenAI({
    apiKey: c.env.OPEN_AI_API_KEY,
  })

  return streamText(c, async (stream) => {
    const result = await openai.chat.completions.create({
      model: "gpt-4o-mini-2024-07-18",
      messages: [
        {
          role: "system",
          content: "You are a helpful assistant",
        },
        {
          role: "user",
          content: "Tell me a story",
        },
      ],
      stream: true,
    })

    for await (const chunk of result) {
      console.log(chunk.choices[0]?.delta?.content)
      await stream.write(chunk.choices[0]?.delta?.content ?? "")
    }
  })
})