OpenAI
GPT-5.3 Chat (latest) Pricing
API pricing for GPT-5.3 Chat (latest) by OpenAI. Input tokens cost $1.75/1M, output tokens cost $14/1M with 128K context window.
Last updated:
ToolsVision
Input Cost
$1.75
per 1M tokens
Output Cost
$14
per 1M tokens
Context Window
128K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Provider OpenAI
Model ID gpt-5.3-chat-latest
Context Window 128K tokens
Max Output 16384 tokens
Cache Read Cost $0.175/1M
Release Date 2026-03-03
Compare Alternatives
| Model | Input | Output | Context |
|---|---|---|---|
| GPT-5.3 Chat (latest) (this model) | $1.75 | $14 | 128K |
| GPT-5.2 OpenAI | $1.75 | $14 | 400K |
| GPT-5.2 Chat OpenAI | $1.75 | $14 | 128K |
| GPT-5.3 Codex OpenAI | $1.75 | $14 | 400K |
| GPT-5.3 Codex Spark OpenAI | $1.75 | $14 | 128K |
| Deep Research Max Preview (Apr-21-2026) Google | $2 | $12 | 131K |
Available from Resellers
GPT-5.3 Chat (latest) is also available through these resellers and gateways:
| Reseller | Model | Input | Output |
|---|---|---|---|
| 302.AI | chatgpt-4o-latest | $5 | $15 |
| 302.AI | gpt-5.1-chat-latest | $1.25 | $10 |
| 302.AI | gpt-5.2-chat-latest | $1.75 | $14 |
| Abacus | GPT-5.1 Chat Latest | $1.25 | $10 |
| Abacus | GPT-5.2 Chat Latest | $1.75 | $14 |
| Abacus | GPT-5.3 Chat Latest | $1.75 | $14 |
| Azure | GPT Chat Latest | $5 | $30 |
| Azure Cognitive Services | GPT Chat Latest | $5 | $30 |
| Clarifai | GPT OSS 120B High Throughput | $0.09 | $0.36 |
| Clarifai | GPT OSS 20B | $0.045 | $0.18 |