GPT-5.3 Chat
Model Information
| Slug | gpt-5-3-chat |
|---|---|
| LLM.txt | View |
| Release Date | March 4, 2026 |
Organization
| Name | OpenAI |
|---|---|
| Website | https://openai.com/ |
Model Description
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 reduces unnecessary refusals, caveats, and overly cautious phrasing that can interrupt conversational flow.
Available at 29 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
|
Naga |
GPT-5.3 Chat
|
gpt-5.3-chat
|
$0.88 | $7.00 | |||
|
CometAPI |
GPT-5.3 Chat
|
gpt-5.3-chat-latest
|
$1.40 | $11.20 | |||
|
MegaNova |
Chat
|
GPT-5.3-Chat
|
openai/gpt-5.3-chat
|
$1.40 | $11.20 | ||
|
Kilo Code |
Code
|
OpenAI: GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | ||
|
OpenRouter |
Chat
Code
|
GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | ||
|
WaveSpeed AI |
Chat
Code
|
gpt-5.3-chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | ||
|
ZenMUX |
OpenAI: GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | |||
|
FastRouter |
OpenAI: GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | |||
|
Azure AI Services |
GPT-5.3 Chat
|
gpt-5.3-chat
|
$1.75 | $14.00 | |||
|
AIHubMix |
gpt-5.3-chat-latest
|
gpt-5.3-chat-latest
|
$1.75 | $14.00 | |||
|
Abacus |
GPT-5.3 Chat Latest
|
gpt-5.3-chat-latest
|
$1.75 | $14.00 | |||
|
Requesty |
openai/gpt-5.3-chat
|
$1.75 | $14.00 | ||||
|
|
Requesty |
openai-responses/gpt-5.3-chat
|
$1.75 | $14.00 | ||||
|
LLM Gateway |
GPT-5.3 Chat
|
gpt-5.3-chat-latest
|
$1.75 | $14.00 | |||
|
OpenAI |
Chat
Code
|
GPT-5.3 Chat (latest)
|
gpt-5.3-chat-latest
|
$1.75 | $14.00 | ||
|
302.AI |
gpt-5.3-chat-latest
|
gpt-5.3-chat-latest
|
$1.75 | $14.00 | |||
|
Inworld |
gpt-5.3-chat-latest
|
gpt-5.3-chat-latest
|
$1.75 | $14.00 | |||
|
Nous Research |
OpenAI: GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | |||
|
Cline |
Code
|
OpenAI: GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
$1.75 | $14.00 | ||
|
Nano-GPT |
GPT 5.3 Chat
|
openai/gpt-5.3-chat
|
- | - | |||
|
Writingmate |
Chat
Code
|
OpenAI: GPT-5.3 Chat
|
openai/gpt-5.3-chat
|
- | - | ||
|
ValorGPT |
GPT-5.3 Chat
|
openai-gpt-5.3-chat
|
- | - | |||
|
ApiYI |
Chat
Code
|
gpt-5.3-chat-latest
|
gpt-5.3-chat-latest
|
- | - | ||
|
Arena AI |
Chat
|
gpt-5.3-chat-latest
|
- | - | |||
|
Yupp |
Chat
|
GPT-5.3 Instant
|
gpt-5.3-chat-latest
|
- | - | ||
|
LLM Stats |
Chat
|
GPT-5.3 Chat
|
gpt-5.3-chat-latest
|
- | - | ||
|
NavyAI |
Chat
Code
|
openai
|
gpt-5.3-chat-latest
|
- | - | ||
|
haimaker.ai |
openai/gpt-5.3-chat-latest
|
- | - | ||||
|
Krater |
OpenAI: GPT-5.3 Chat
|
gpt-5-3-chat
|
- | - |