GPT-5.3 Chat
GPT-5.3 Chat (gpt-5.3-chat-latest) points to the GPT-5.3 Instant snapshot used in ChatGPT; the page states this model has been deprecated and recommends GPT-5.6.
text + image → text · made by OpenAI
$1.93→$15.4per Mtok in / out
Microsoft Azure AI
Sold by 4 ways
| Seller | Lane | Rate |
|---|---|---|
| Microsoft Azure AI cloud | standard | $1.93per Mtok in$15.4per Mtok out$0.19per Mtok cachedraw.githubusercontent.com · read 2026-10-31 |
| Microsoft Azure AI 0 ways | $3.5per Mtok in$28per Mtok out$0.35per Mtok cached | |
| Microsoft Azure AI cloudnot on the seller's list today | priority | $3.5per Mtok in$28per Mtok out$0.35per Mtok cachedraw.githubusercontent.com · read 2026-09-22 |
| Requesty 0 ways | $1.75per Mtok in$14per Mtok out$0.17per Mtok cached | |
| Requesty aggregatornot on the seller's list today | openai | $1.75per Mtok in$14per Mtok out$0.17per Mtok cachedrouter.requesty.ai · read 2026-08-28 |
| 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 |
Measured 1 standing
| Place | Board | Metric | Score |
|---|---|---|---|
| 77thof 414 | LMArena · Text | Score (Elo) | 1450 |
About
GPT-5.3 Chat — a text model from OpenAI, sold by one company from $1.93 in and $15.4 out per million tokens, placed 77th of 414 on LMArena · Text.
It takes text and images and returns text, with a context window of 128,000 tokens. It was published in March 2026, trained on material up to August 2025. Its sellers say it can call a tool. The catalogue files it under chat. Only Microsoft Azure AI sells it, at $1.93 in and $15.4 out per million tokens. It stands 77th of 414 on LMArena · Text.
Every current figure
- Maker
- OpenAI
- Register
- model
- Takes
- text + image
- Returns
- text
- Context
- 128,000 tokens
- Published
- March 2026
- Knowledge to
- August 2025
- Licence
- not read
- Sellers
- 1
- Maker's own price
- not read
- Price
- $1.93 in and $15.4 out per million tokens — Microsoft Azure AI
- Boards
- 1
- Best place
- 77th of 414 — LMArena · Text
Known as 3 names
5.3 chatopenai-responses/gpt-5.3-chatopenai/gpt-5.3-chat