AI Rate CardGPT-5 vs GPT-5.3 Codex Spark: API price and specs
GPT-5 is 64% cheaper than GPT-5.3 Codex Spark on input price.
GPT-5 is 64% cheaper than GPT-5.3 Codex Spark on output price.
GPT-5 is 64% cheaper than GPT-5.3 Codex Spark on a 1M-in / 200k-out workload.
GPT-5 has a 212.5% larger context than GPT-5.3 Codex Spark.
| Field | GPT-5 | GPT-5.3 Codex Spark |
|---|---|---|
| Lowest input, per 1M | $0.62 | $1.75 +180% |
| Median input, per 1M | $1.25 | $1.75 +40% |
| Lowest output, per 1M | $5.00 | $14.00 +180% |
| Median output, per 1M | $10.00 | $14.00 +40% |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $1.62 | $4.55 +180% |
| Context | 400K | 128K +68% |
| Max output | 128K | 128K |
| Providers | 25 | 2 +92% |
| Regions | EU, GLOBAL, US | — |
| Accepts | file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text | image, pdf, text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | openrouter | openai |
Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.
Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.
Providers selling both
Frequently asked questions
Which is cheaper, GPT-5 or GPT-5.3 Codex Spark?
GPT-5 is 64% cheaper than GPT-5.3 Codex Spark on input price. GPT-5 is 64% cheaper than GPT-5.3 Codex Spark on output price. GPT-5 is 64% cheaper than GPT-5.3 Codex Spark on a 1M-in / 200k-out workload.
Which has the larger context, GPT-5 or GPT-5.3 Codex Spark?
GPT-5: 400K tokens; GPT-5.3 Codex Spark: 128K tokens.
Where can I use both GPT-5 and GPT-5.3 Codex Spark?
openai, opencode