Skip to main content
Available for Enterprise organizations where OpenAI model routing is enabled. Contact sales to learn more.
This feature is only supported in AWS EC2 Runners.
Use AWS Bedrock Mantle when your AWS EC2 runner should route OpenAI model requests through a Bedrock Mantle endpoint. This page covers the OpenAI setup exposed in Ona. To track spend on your BYOK model usage, see the AI cost usage API.

​
Prerequisites

  • Your organization has OpenAI model routing enabled.
  • You have an AWS EC2 runner configured in Ona.
  • You have a Bedrock Mantle endpoint and token.
  • The runner can reach the Bedrock Mantle endpoint over HTTPS.
  • For GPT-6 Sol and Luna, your AWS account has access to the selected model and the environment has an updated Codex Agent with Bedrock routing for these models.

​
Configure the endpoint

Use the Bedrock Mantle endpoint for your AWS region:
The Ona UI defaults to:
For GPT-6 Sol and Luna, no model mapping is required. Ona sends openai.gpt-6-sol or openai.gpt-6-luna when you select the corresponding model. Both models support Standard speed and Low through Max reasoning on Bedrock. Fast speed and Ultra reasoning are unavailable.

​
Add the integration with the UI

  1. Go to the Runners settings page.
  2. Select the AWS EC2 runner where you want to configure Bedrock Mantle.
  3. Scroll to LLM Providers.
  4. Click Configure.
  5. Select AWS Bedrock Mantle.
  6. Enter your Bedrock Mantle endpoint.
  7. Paste the Bedrock Mantle token into API Key.
  8. Click Create Integration.
AWS Bedrock Mantle LLM integration form showing endpoint URL and API key fields

​
Add the integration with the CLI

To verify the integration:

​
Verify the integration

  1. Create a new environment with the configured AWS EC2 runner.
  2. Start Codex Agent and select a supported model, such as GPT-6 Sol or GPT-6 Luna.
  3. Confirm that the agent can answer a simple code question.
Codex Agent can use native web search with supported Mantle models and regions. The IAM identity behind your token needs bedrock-websearch:InvokeSearch and bedrock-websearch:InvokeFetch permissions. Codex uses the Bedrock web index and cache with external web access disabled. See AWS web search documentation for model and regional availability. Server-side web search is unavailable through the Bedrock Runtime OpenAI endpoint.

​
Troubleshooting

AWS Bedrock Mantle is available only on AWS EC2 runners when OpenAI model routing is enabled for your organization. It is not shown on GCP runners.
Use an endpoint on the bedrock-mantle.<region>.api.aws domain. For OpenAI model routing, include the /openai/v1/responses path.
Confirm that the value in API Key is a Bedrock Mantle token. Mantle does not use a Bedrock API key or the IAM-based credential flow from the deprecated Anthropic integration.