GPT-5.3 Chat pricing
GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly... Below you will find 2 current rows with input and output dollars per million. Right now the lowest input is $1.75 and the lowest output is $14.00.
Pricing across providers
Use this table to read GPT-5.3 Chat list prices. We show 2 sources right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
O Openrouter | $1.75 | $14.00 | — | — |
A Azure | $1.75 | $14.00 | $0.175 | — |
Input vs output · per provider
Cost calculator
Use this block to stress test GPT-5.3 Chat cost without a spreadsheet. All estimates come from public list rates in this page.
Provider
0.175000¢ / req
0.700000¢ / req
Model specifications
These fields describe GPT-5.3 Chat as we store it (source: OpenAI). They sit next to price so buyers can check limits and tools in one place.
- Context window
- 128,000 tokens
- Max output
- 16,384 tokens
- Vision (images)
- Yes
- Tool / function calling
- Yes
- Streaming
- No
- Released
- Mar 2026
- Primary provider
- OpenAI
- Model family
- N/A
Compare GPT-5.3 Chat
These links open full side by side pages for GPT-5.3 Chat. We picked pairs that people often shop together. 6 ready to open.
- GPT-5.3 Chat vs GPT-4o
Compare pricing side by side
- GPT-5.3 Chat vs GPT-4o mini
Compare pricing side by side
- GPT-5.3 Chat vs o3
Compare pricing side by side
- GPT-5.3 Chat vs Claude Sonnet 4.6
Compare pricing side by side
- GPT-5.3 Chat vs Gemini 2.0 Flash
Compare pricing side by side
- GPT-5.3 Chat vs Llama 3.1 70B
Compare pricing side by side
Frequently asked questions
Quick frequently asked items for GPT-5.3 Chat pricing and limits. The short model note from our index: GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly...
Also from OpenAI
Other models by OpenAI with live pricing in our catalog.