# GPT-5.3 Codex Spark API prices

GPT-5.3 Codex Spark (gpt-codex-spark) — 128k context, 128k max output.
2 metered per-token offers from 3 provider(s), in USD per 1M tokens.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| OpenAI | $1.75 | $14 | $0.175 | 128k |
| OpenCode Zen | $1.75 | $14 | $0.175 | 128k |

## Summary

- Cheapest input: $1.75 per 1M tokens (OpenAI)
- Cheapest output: $14 per 1M tokens (OpenAI)
- First-party: $14 per 1M output tokens (OpenAI)
- Free offers: Poe
- Subscription plans (not per-token): none
- Released: 2026-02-05
- Inputs: image, pdf, text

HTML page: https://llmprice.gitlab.io/models/gpt-5-3-codex-spark/
Full dataset: https://llmprice.gitlab.io/data/catalog.json