OpenAI: GPT-5.3 Codex Spark
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Cheapest input
$1.75
$/MTok · models.dev
Cheapest output
$14
$/MTok
Context
128K
tokens
Sources
1
2 listings
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number. Free/$0 listings are hidden by default (1 omitted). Show free/$0 listings.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestgpt-5.3-codex-spark | OpenAI | $1.75 | $14 | $0.175 | 128K |
| models.devgpt-5.3-codex-spark | OpenCode | $1.75 | $14 | $0.175 | 128K |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- Out: text
Knowledge cutoff: 2025-08-31Released: 2026-02-05Family: gpt-codex-spark
See what this model costs you
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