GPT 5.3 Codex
openai/gpt-5.3-codex
Multimodal
6 gateways
Where you can run it
| Gateway | Its id | Context | Max output | Input / Mtok | Output / Mtok |
|---|---|---|---|---|---|
| Cloudflare AI Gateway | openai/gpt-5.3-codex |
— | — | — | — |
| NanoGPT Cheapest input | openai/gpt-5.3-codex |
400K | 128K | $1.75 | $14.00 |
| OpenRouter | openai/gpt-5.3-codex |
400K | 128K | $1.75 | $14.00 |
| OrcaRouter | openai/gpt-5.3-codex |
400K | 128K | $1.75 | $14.00 |
| Requesty | openai/gpt-5.3-codex |
400K | 128K | $1.75 | $14.00 |
| Vercel AI Gateway | openai/gpt-5.3-codex |
400K | 128K | $1.75 | $14.00 |
Prices are US dollars per million tokens, as published in each gateway's own catalog at the last crawl. A dash means that gateway publishes no value — not that it is free. Rows differ because gateways set their own markup, and some let you bring your own provider key.
- Canonical id
openai/gpt-5.3-codex- Vendor
- OpenAI
- Type
- Multimodal
- Gateways serving it
- CloudflareNanoGPTOpenRouterOrcaRouterRequestyVercel
- Largest context window
- 400K tokens
- Input price range
- $1.75 / Mtok
- Price spread
- Every gateway charges the same
- Accepts
- Text, Image
- Returns
- Text
- Cataloged since
History
What changed for GPT 5.3 Codex
Recorded by the daily catalog crawl — when gateways picked this model up, dropped it, or repriced it.
- Experiential Labs added gpt-5.3-codex
- Cheaper Inference added gpt-5.3-codex
- LLM Gateway added GPT-5.3 Codex
- Concentrate added GPT 5.3 Codex
- Ramp Router added GPT-5.3-Codex
- Experiential Labs added gpt-5.3-codex
- Cheaper Inference added gpt-5.3-codex
- LLM Gateway added GPT-5.3 Codex
- Concentrate added GPT 5.3 Codex
- Ramp Router added GPT-5.3-Codex
- Experiential Labs added gpt-5.3-codex
- Cheaper Inference added gpt-5.3-codex