AI Models / Compare
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 contextualizati
- Creator
- OpenAI
- Lifecycle
- Active
- Context
- 128.0K
- Max output
- 16.4K
- Released
- Mar 3, 2026
- Status
- up
- Input
- $1.75 / 1M tokens
- Output
- $14.00 / 1M tokens
- Cached read
- $0.17 / 1M tokens
- Cached write
- — / 1M tokens
- Batch discount
- —%
- Source
- OpenRouter
- Verified
- Apr 5, 2026 (High)
Capabilities
- Modalities
- textimagefile→text
- Capabilities
- imageInputpromptCachingfunctionCallingstructuredOutputs
Other models from OpenAI
GPT Audio, GPT Audio Mini, GPT-3.5 Turbo, GPT-3.5 Turbo (older v0613), GPT-3.5 Turbo 16k, GPT-3.5 Turbo Instruct, GPT-4 (older v0314), GPT-4 Turbo, GPT-4 Turbo (older v1106), GPT-4 Turbo Preview, GPT-4.1, GPT-4.1 mini, GPT-4.1 nano, GPT-4o, GPT-4o, GPT-4o (2024-05-13), GPT-4o (2024-08-06), GPT-4o (2024-11-20), GPT-4o (extended), GPT-4o Audio, GPT-4o mini, GPT-4o mini, GPT-4o Search Preview, GPT-4o-mini (2024-07-18), GPT-4o-mini Search Preview, GPT-5, GPT-5 Chat, GPT-5 Codex, GPT-5 Image, GPT-5 Image Mini, GPT-5 Mini, GPT-5 Nano, GPT-5 Pro, GPT-5.1, GPT-5.1 Chat, GPT-5.1-Codex, GPT-5.1-Codex-Max, GPT-5.1-Codex-Mini, GPT-5.2, GPT-5.2 Chat, GPT-5.2 Pro, GPT-5.2-Codex, GPT-5.3-Codex, GPT-5.4, GPT-5.4 mini, GPT-5.4 nano, GPT-5.4 Pro, gpt-oss-120b, gpt-oss-120b, gpt-oss-20b, gpt-oss-20b, gpt-oss-safeguard-20b, o1, o1-pro, o3, o3 Deep Research, o3 Mini High, o3 Pro, o3-mini, o4 Mini Deep Research, o4 Mini High, o4-mini