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OpenAIProprietary
ChatGPT Agent Model
ChatGPT Agent Model is a reasoning model developed by OpenAI. It is equipped with a 128K context window and provides advanced reasoning capabilities.
Parameters
Undisclosed
Context Window
128K
License
Proprietary
Release Date
2025-07-17
API Pricing
API pricing for this model is not yet available
Strengths
- ・Equipped with advanced reasoning capabilities
- ・Long 128K context understanding
- ・Reliability from OpenAI
Weaknesses
- ・Proprietary license
- ・Closed-source codebase
- ・Lack of detailed external specifications
Use Cases
- ・Complex logical reasoning tasks
- ・Long document analysis
- ・Building autonomous agents
Deep Analysis
Context Window
128K tokens
HLE (pass@1)
41.6%
SOTA at launch
BrowseComp
68.9%
SOTA
FrontierMath
27.4%
With tools
Release Date
July 17, 2025
Strengths
- ・Unified agentic system (Operator + deep research + ChatGPT)
- ・SOTA on BrowseComp and HLE
- ・Autonomous web browsing, code execution, file creation
- ・Interactive - users can interrupt and steer
Weaknesses
- ・Subscription-only ($20-$200/mo)
- ・Slideshow generation still beta
- ・High biological risk classification
- ・EEA/Switzerland not supported
Competitor Comparison
| Model | Arena | SWE | Price |
|---|---|---|---|
| Claude Opus 4.6 | 1398 | 72.5% | $15/$75 |
| Gemini 3 Pro | 1389 | 63.2% | $1.25/$5.00 |
ChatGPT Agent is OpenAI's unified agentic system combining web browsing, deep research, and conversational AI. SOTA on BrowseComp (68.9%) and HLE (41.6%).
Sources
Analysis generated: 2026-05-24