Quick Summary

OpenAI Codex

GPT models with broad capabilities and wide ecosystem support

  • 128K context window
  • Image generation and understanding
  • Tool/function calling
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AWS Bedrock

Enterprise AI through AWS with compliance and security

  • Enterprise security
  • AWS integration
  • Multiple providers
View Full Guide

Model Comparison

Aspect OpenAI Codex AWS Bedrock
Number of Models 2 1
Default Model GPT-5.2 Claude 3 Sonnet (Bedrock)
Max Context Window 128K tokens 200K tokens
Image Support ✓ Yes ✓ Yes
Tool/Function Calling ✓ Yes ✓ Yes
Pricing Model

Authentication

OpenAI Codex

api_key

Standard API key authentication

OPENAI_API_KEY
oauth

OAuth for ChatGPT/Codex subscriptions

AWS Bedrock

token

AWS credentials or bearer token

Pros & Cons

OpenAI Codex

Pros

  • Extensive ecosystem and tooling
  • Good performance across tasks
  • Fine-tuning options
  • Strong developer community

Cons

  • Can be expensive at scale
  • Rate limits vary by tier
  • Model updates can change behavior

AWS Bedrock

Pros

  • Enterprise-grade security
  • AWS ecosystem integration
  • Compliance certifications
  • VPC private links

Cons

  • AWS account required
  • More complex setup
  • Region availability varies

Best Use Cases

Choose OpenAI Codex if you need:

  • General AI assistance
  • Image generation
  • Code generation
  • Content creation

Choose AWS Bedrock if you need:

  • Enterprise deployments
  • Regulated industries
  • AWS-native applications
  • High-security environments

Use with Messaging Channels

Both providers work with all OpenClaw messaging channels:

Frequently Asked Questions

Which is better, OpenAI Codex or AWS Bedrock?
It depends on your use case. OpenAI Codex excels at general ai assistance, while AWS Bedrock is best for enterprise deployments. Consider your specific needs for context length, pricing, and feature requirements.
Can I use both OpenAI Codex and AWS Bedrock with OpenClaw?
Yes! OpenClaw supports multiple providers simultaneously. You can configure OpenAI Codex as your primary and AWS Bedrock as a fallback, or use different providers for different agents.
Which has better pricing, OpenAI Codex or AWS Bedrock?
OpenAI Codex uses undefined pricing, while AWS Bedrock uses undefined. The best value depends on your usage volume and whether you need premium features.