Token Supply

OpenAI

GPT-5.3 Codex Spark API pricing

GPT-5.3 Codex Spark (gpt-5.3-codex-spark) is on the OpenAI plan. Codex users pinned to the spark model id.

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Who this is for

Codex users pinned to the spark model id.

gpt-5.3-codex-spark has no public list price here, so the page shows the listed rate only.

Call it

Create a key on the OpenAI plan, then send gpt-5.3-codex-spark to the host below. Listed and official rates render from the live catalog when this page loads.

chat/completions
curl https://api.token-supply.com/v1/chat/completions \
  -H "authorization: Bearer ts_live_..." \
  -H "content-type: application/json" \
  -d '{"model":"gpt-5.3-codex-spark","messages":[{"role":"user","content":"hi"}]}'

Why this works: The JSON model field is gpt-5.3-codex-spark, the same id as the page.

Details

Does Token Supply serve gpt-5.3-codex-spark?
Yes, on the OpenAI plan. gpt-5.3-codex-spark has no public list price here, so the page shows the listed rate only.
Do I have to sign up to see the price?
No. The rate table on this page loads from the public catalog. A key is only required to call the model.

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