# 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 reduces unnecessary refusals, caveats, and overly cautious phrasing that can interrupt conversational flow.

## Model Information

- **Organization**: [OpenAI](/llm.txt)
- **Slug**: gpt-5-3-chat
- **Available at Providers**: 3
- **Release Date**: March 3, 2026

## Providers

| Provider | Name | $ Input (per 1M) | $ Output (per 1M) | Free | Link |
|----------|------|-----------------|------------------|------|------|
| [Kilo Code](/llm/kilocode.txt) | OpenAI: GPT-5.3 Chat | 1.75 | 14.00 |  | [View](https://kilo.ai/models/openai/gpt-5.3-chat) |
| [Nano-GPT](/llm/nanogpt.txt) | GPT 5.3 Chat |  |  |  |  |
| [OpenRouter](/llm/openrouter.txt) | GPT-5.3 Chat | 1.75 | 14.00 |  | [View](https://openrouter.ai/openai/gpt-5.3-chat-20260303) |

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[← Back to all providers](/llm.txt)