GPT-5.3 Codex
GPT-5.3-Codex advances both the frontier coding performance of GPT‑5.2-Codex and the reasoning and professional knowledge capabilities of GPT‑5.2, together in one model, which is also 25% faster.
text + image + file → text · made by OpenAI
Sold by 18 ways
| Seller | Lane | Rate |
|---|---|---|
| Databricks cloud | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cached$1.75per Mtok cache writeraw.githubusercontent.com · read 2026-10-31 |
| DigitalOcean cloud | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedmodels.dev · read 2026-10-31 |
| Microsoft Azure AI cloud | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedmodels.dev · read 2026-10-31 |
| Databricks cloud | priority | $3.5per Mtok in$28per Mtok out$0.35per Mtok cachedraw.githubusercontent.com · read 2026-10-31 |
| Microsoft Azure AI cloud | priority | $3.85per Mtok in$30.8per Mtok out$0.39per Mtok cachedraw.githubusercontent.com · read 2026-10-31 |
| AtlasCloud 0 ways | $1.75per Mtok in$14per Mtok out$0.17per Mtok cached | |
| AtlasCloud aggregatornot on the seller's list today | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedapi.atlascloud.ai · read 2026-09-20 |
| ElectronHub aggregator | standard | $1.75per Mtok in$14per Mtok outapi.electronhub.ai · read 2026-10-31 |
| GitHub Copilot aggregator | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedmodels.dev · read 2026-10-31 |
| Nous Research aggregator | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedinference-api.nousresearch.com · read 2026-09-12 |
| OpenRouter 2 ways | $1.75per Mtok in$14per Mtok out$0.17per Mtok cached | |
| OpenRouter aggregator | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedopenrouter.ai · read 2026-08-24 |
| OpenRouter aggregator | openai/fast | $3.5per Mtok in$28per Mtok out$0.35per Mtok cachedopenrouter.ai · read 2026-08-25 |
| Requesty 2 ways | $1.75per Mtok in$14per Mtok out$0.17per Mtok cached | |
| Requesty aggregator | azure | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedrouter.requesty.ai · read 2026-08-28 |
| Requesty aggregator | openai | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedrouter.requesty.ai · read 2026-09-20 |
| Requesty aggregatornot on the seller's list today | openai-responses | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedrouter.requesty.ai · read 2026-08-28 |
| Venice AI aggregator | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedmodels.dev · read 2026-10-31 |
| Vercel AI Gateway 2 ways | $1.75per Mtok in$14per Mtok out$0.17per Mtok cached | |
| Vercel AI Gateway aggregator | standard | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedvercel.com · read 2026-08-25 |
| Vercel AI Gateway aggregatornot on the seller's list today | sandbox | $1.75per Mtok in$14per Mtok outvercel.com · read 2026-08-25 |
| Vercel AI Gateway aggregator | fast | $3.5per Mtok in$28per Mtok out$0.35per Mtok cachedai-gateway.vercel.sh · read 2026-08-25 |
Measured 22 standings
About
GPT-5.3 Codex — a text model from OpenAI, sold by 10 companies from $1.75 in and $14 out per million tokens, placed 9th of 202 on Terminalbench — Epoch AI.
It takes text, images and files and returns text, with a context window of 400,000 tokens. It was published in February 2026, trained on material up to August 2025. Its sellers say it can reason step by step and call a tool. The catalogue files it under code and agents. Ten companies sell it. The cheapest is $1.75 in and $14 out per million tokens at Databricks. Beside the standard rate there are faster and separately routed lanes. It has been measured on 22 boards, and stands best at 9th of 202 on Terminalbench — Epoch AI.
Every current figure
- Maker
- OpenAI
- Register
- model
- Takes
- text + image + file
- Returns
- text
- Context
- 400,000 tokens
- Longest answer
- 128,000 tokens
- Published
- February 2026
- Knowledge to
- August 2025
- Licence
- not read
- Sellers
- 10
- Maker's own price
- not read
- Price
- $1.75 in and $14 out per million tokens — Databricks
- Boards
- 22
- Best place
- 9th of 202 — Terminalbench — Epoch AI
Known as 5 names
GPT-5.3-Codexopenai/gpt-5.3-codex5.3 codexazure/gpt-5.3-codex@eastus2openai-responses/gpt-5.3-codex