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Core concepts
Agents
- Overview
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Build agents
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Deploy in your product
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Optimize
- Voice agents
Tools
- Using tools
- Web search
- MCP and Connectors
- Skills
- Shell
- Computer use
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File search and retrieval
- Tool search
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More tools
Run and scale
- Conversation state
- Background mode
- Streaming
- WebSocket mode
- Webhooks
- File inputs
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Context management
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Prompting
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Reasoning
Realtime API
Model optimization
Specialized models
Going live
- Production best practices
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Latency optimization
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Cost optimization
- Accuracy optimization
Legacy APIs
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Assistants API
Getting Started
Using Codex
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IDE Extension
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Codex Security