OpenAI Codex CLI vs Amazon Bedrock AgentCore vs Haystack vs Visual Studio Code

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
OpenAI Codex CLI
vs
Competitor 1
Amazon Bedrock AgentCore
Competitor 2
Haystack
Competitor 3
Visual Studio Code
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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Competitor Amazon Bedrock AgentCore
aws.amazon.com
Amazon Bedrock AgentCore is an AWS service for building, connecting and running AI agents in production.
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor Visual Studio Code
code.visualstudio.com
Visual Studio Code is a free, open source code editor that runs on Windows, macOS and Linux and now includes built-in AI agents.
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Traffic estimated monthly website traffic
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Bounce rate lower is better
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Free tier
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Capabilities input → output
Input
CodeImagesText
CodeText
CodeDocuments
CodeText
Output
Code
Apps
Apps
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
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Agents
Developer tools
Agent creation
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Coding
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Coding in VS Code
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LLM development
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RAG
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Vs code
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Agent management
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AI observability
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APIs
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Agent identity verification
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Agent memory
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Agent testing
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Debugging
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Self hosted
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Terminal
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Community on aitoolstime
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.