GPT-5.3 Codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Cheapest input
$1.75
$/MTok · models.dev
Cheapest output
$14
$/MTok
Context
400K
tokens
Offers
1
1 source
Offers
Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestopenai-gpt-5.3-codex | DigitalOcean | $1.75 | $14 | $0.175 | 400K |
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