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Model details
GPT-5.3 Chat (latest)
Find out what this model does, when it was released, and which provider serves it.
OpenAIgpt-5.3-chat-latestgpt
Quick Info
- Provider
- OpenAI
- Model key
- gpt-5.3-chat-latest
- Release date
- Mar 3, 2026
- Last updated
- Mar 3, 2026
- Knowledge
- 2025-08-31
- Input modalities
- text, image
- Output modalities
- text
- Capabilities
- Tool calling, Structured output, Attachments, Temp controls
- Cost summary
- In $1.75 · Out $14.00
- Limit summary
- 128,000 token context window
Cost
- Input token cost
- $1.75
- Output token cost
- $14.00
Limits
- Output tokens
- 16,384 tokens
- Context window
- 128,000 tokens