OpenAI: GPT-5.3 Codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Cheapest input
$1.60
$/MTok · models.dev
Cheapest output
$13
$/MTok
Context
400K
tokens
Offers
25
3 sources
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 | Poe | $1.60 | $13 | $0.16 | 400K |
| models.devopenai/gpt-5.3-codex | Cloudflare | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | FastRouter | $1.75 | $14 | $0 | 400K |
| models.devopenai/gpt-5.3-codex | Impossibl | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | Kilo Gateway | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | NanoGPT | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | OpenAI | $1.75 | $14 | $0.175 | 400K |
| OpenRouteropenai/gpt-5.3-codex | OpenRouter | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | OrcaRouter | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | Requesty | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | Vercel AI Gateway | $1.75 | $14 | $0.175 | 400K |
| models.devopenai/gpt-5.3-codex | ZenMux | $1.75 | $14 | $0 | 400K |
| models.devgpt-5.3-codex | Abacus | $1.75 | $14 | $0.18 | 400K |
| models.devgpt-5.3-codex | AIHubMix | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | Azure | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | Azure | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | FreeModel | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5-3-codex | FrogBot | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | GitHub Copilot | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | LLM Gateway | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5-3-codex | Neon | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | OpenCode Zen | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | Pioneer | $1.75 | $14 | $0.175 | 400K |
| models.devgpt-5.3-codex | Vivgrid | $1.75 | $14 | $0.175 | 400K |
| LiteLLMgpt-5.3-codex | — | $1.75 | $14 | $0.175 | — |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- In: file
- Out: text
- Out: image
Knowledge cutoff: 2025-08-31Released: 2026-02-05Family: gpt-codex