Cheapest GPT-5.3-Codex API providers
2 providers host GPT-5.3-Codex. The cheapest right now is OpenAI at $1.75/MTok input and $14.00/MTok output. Prices below are pulled live from each provider, updated daily.
What would GPT-5.3-Codex cost you?
Input tokens / month150M
Output tokens / month30M
Projected monthly cost = (input price × 150M) + (output price × 30M). Drag the sliders to match your actual workload; the chart re-ranks live.
| # | Host | Context | Input $/MTok | Output $/MTok | Blended | Uptime 30m | Quant |
|---|---|---|---|---|---|---|---|
| 1 | OpenAI | 400k | $1.75 | $14.00 | $3.79 | 99.48% | — |
| 2 | Azure | 400k | $1.75 | $14.00 | $3.79 | 100.00% | — |