Ox Alpha API

stealth/ox-alpha
This stealth codename was confirmed to be GLM-5.3-Flash. See the GLM-5.3-Flash page for current pricing and specs.
Context
1M tokens
Input
$0.0975 / 1M tokens
Output
$0.325 / 1M tokens
Released
Aug 20, 2026

How to use Ox Alpha API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to stealth/ox-alpha.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "stealth/ox-alpha",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "stealth/ox-alpha",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"stealth/ox-alpha","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Ox Alpha API Pricing

TypePrice
Input
$0.0975 / 1M tokens
Output
$0.325 / 1M tokens
Cached input
$0.0195 / 1M tokens

This model has been identified as GLM-5.3-Flash and is billed at GLM-5.3-Flash rates, not free. Full routing goes live with today's deploy — see the GLM-5.3-Flash page for current pricing and specs.

Ox Alpha vs other models

ModelInputOutputContextBest for
Ox Alpha
This page
$0.0975 / 1M tokens
$0.325 / 1M tokens
1M tokens
Coding + agentic reasoning
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

Ox Alpha has a 1,048,576 tokens context window and can return up to 131,072 tokens.

Ox Alpha takes image, text, video as input and returns text.

Use stealth/ox-alpha as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Ox Alpha became available on August 20, 2026.

Ox Alpha is priced at input $0.0975 / 1M tokens, output $0.325 / 1M tokens, cached input $0.0195 / 1M tokens.

Yes, Ox Alpha can stream responses as they are generated.

Yes, Ox Alpha accepts image input alongside text.

Ox Alpha supports function calling, reasoning, streaming, structured outputs, and vision.

Ox Alpha is accessed via https://api.aimlapi.com/v1/chat/completions using the model id stealth/ox-alpha.

Start building with Ox Alpha

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