OpenAI: GPT-5.3 Chat
openai/gpt-5.3-chat
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...
Prompt $/1M
$1.750
Completion $/1M
$14.000
Context
128,000 tok
Best provider
44 tok/s · Azure
Specs
- Model id
- openai/gpt-5.3-chat
- Display name
- OpenAI: GPT-5.3 Chat
- Modality
- text+image+file->text
- Tokenizer
- GPT
- Instruct type
- —
- Context length
- 128,000
- Max completion
- 16,384
- Prompt $/1M
- $1.750
- Completion $/1M
- $14.000
- Free tier
- no
Capabilities
- Function callingno
- JSON modeno
- System promptno
- Visionno
- Moderatedyes
Benchmark scores
Each axis is one benchmark, normalized to the best model in the field.
No benchmark data for this model.
Speed by provider
| Provider | tok/s |
|---|---|
| Azure | 44 |
| OpenAIfastest | 40 |