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GPT-5.3 Chat (latest)
gpt
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
- Family
- gpt
- Providers
- 4
- Context
- 128,000
- Output
- 16,384
- Knowledge
- 2025-08-31
- Weights
- Closed
- Input
- textimage
- Output
- text
- Release date
- 2026-03-03
- Updated
- 2026-03-03
Providers
Source: models.dev