Openai
OpenAI: GPT-5.3 Chat
openai/gpt-5.3-chat
Input / M
Output / M
Context
Max Output
16K
Usage
Unranked
Quality
Unscored
Providers
2
Best Uptime 30m
99.28%
Released
Mar 3, 2026
Modalities
text, image, file
About
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...
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Providers · 2
Per-provider pricing, uptime
| Provider | Input/M | Output/M | Context | Max Out | Quant | Uptime 30m |
|---|---|---|---|---|---|---|
| OpenAIRecommended OpenAI | openai/gpt-5.3-chat-20260303 | $1.75 | $14.00 | 128K | 16K | unknown | 99.28% |
| Azure Azure | openai/gpt-5.3-chat-20260303 | $1.75 | $14.00 | 128K | 16K | unknown | — |
Performance History
53 snapshots
Price History
0 recorded changes
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Versus
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First seen 3d ago · Last verified 3m ago