gpt-5.3-codex, Chat, Output
Overview
gpt-5.3-codex, Chat, Output is a chat-generation model served via OpenAI. Access it with the same Bearer token and OpenAI-compatible request shape as the other 287 models in the catalog — no provider-specific SDK required. Priced at $7.8400 per million tokens, billed per use from your credit balance.
Use via API
curl https://aimarcusimage.eu/api/v1/chat/completions \
-H "Authorization: Bearer sk-aig-..." \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.3-codex",
"messages": [
{
"role": "user",
"content": "Hello from AI Generate"
}
]
}'
Async jobs (video / image / music) return a taskId. Poll /api/v1/jobs/recordInfo?taskId=... or use a webhook to get the result URLs.
Prompt examples
Pricing compare
| Provider | Price per million tokens | Notes |
|---|---|---|
| AI Generate | $7.8400 | This site, pay-as-you-go, $10 free on signup |
| Direct from OpenAI | varies | Requires separate account and higher minimum commitment |
Related models
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gpt-5.4-codex, Chat, Output
gpt-5.3-codex, Chat, Input
Gemini 3 Flash, Chat, Input
gpt-5-2, Chat, Input
Gemini 3 Flash, Chat, Output
FAQ
How much does gpt-5.3-codex, Chat, Output cost?+
$7.8400 per million tokens. You pay from your credit balance — no monthly subscription, no minimum commitment. First $10 on signup are free.
Is gpt-5.3-codex, Chat, Output a chat model?+
Yes — gpt-5.3-codex, Chat, Output is a chat-generation model from OpenAI, served through the AI Generate gateway.
How do I call gpt-5.3-codex, Chat, Output from my code?+
Use a standard HTTPS POST with a Bearer token to our /api/v1/ endpoint. The request shape matches the OpenAI-compatible convention — no provider-specific SDK needed. See the "Use via API" section above for a working curl example.
Can I use gpt-5.3-codex, Chat, Output in production?+
Yes. The endpoint is rate-limited to 20 requests per 10 seconds per API key, retries are idempotent via taskId, and async results are delivered via polling or webhook. Set a daily spend cap in dashboard settings to protect against runaway usage.
What is the markup compared to the upstream provider?+
We route through a mix of direct provider integrations (OpenAI, Anthropic) and wholesale aggregators (kie.ai, OpenRouter) — typically 20-40% above raw provider cost. Volume tiers at $50 / $200 / $1000 / $5000 monthly spend reduce the markup to as low as 10%.
Ready to try gpt-5.3-codex, Chat, Output?
Sign up in 30 seconds. $10 in free credits — enough for dozens of generations.