OpenAI: GPT-5.3 Chat
openai/gpt-5.3-chatGPT-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...
Source-linkedClosed weights
Context window128K
Maximum output16.384K
Provider offers0
Knowledge cutoffUndisclosed
CapabilitiesWhat this model supports
- Creator
- OpenAI
- Family
- Not documented
- Modalities
- File, Image, Text
- License
- Not documented
- Release date
- Not documented
- Model ID
openai/gpt-5.3-chat
No known providers available.
EvidencePublished benchmark results
Insufficient benchmark coverage. ModelBench does not infer a score from price, context size, or model name.