Context
128K tokens (~64 books)
Input $/1M
$1.75
Output $/1M
$14.00
Type
multimodal
License
Proprietary
Benchmarks
0 tested
Data as of
About
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...
No benchmark data available yet.
Model Family · OpenAI GPT-5.3
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BenchGecko API
gpt-5-3-chat
Specifications
- Typemultimodal
- Context128K tokens (~64 books)
- ReleasedMar 2026
- LicenseProprietary
- StatusActive
- Cost / Message~$0.018
Available On
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Frequently Asked Questions
GPT-5.3 Chat is a proprietary multimodal AI model by OpenAI, released in March 2026. Context window: 128K tokens.
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Key facts · as of 2026-07-11
- GPT-5.3 Chat by OpenAI. Not enough public benchmark scores to rank yet.
- List price $1.75 input · $14.00 output per 1M tokens (as of 2026-07-11).
How to cite · data as of 2026-07-11
GPT-5.3 Chat · benchmarks, pricing and providers. BenchGecko, data as of 2026-07-11. https://benchgecko.ai/model/gpt-5-3-chat
Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP