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Open Models in the sidebar. Search by model name, ID or provider. Use Via Amazon Bedrock to see hosted models separately from direct Anthropic, OpenAI and Google routes. The list is paginated. This is Bench’s declared catalog, not a live inventory of every model in AWS. A listed model still needs provider access, compatible capabilities and available quota. Bench checks candidates against the workflow before testing them. Voice or tool-runtime compatibility is not implied by a model appearing in the list.

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Choose providers

Growth and eligible custom plans can restrict which providers Bench considers for improvement suggestions. Other plans use the default selection. This setting does not change your original model or the models Bench uses internally to generate and judge tests.

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Compare a recommendation

In Results → Review fixes, compare the original and proposed model alongside measured quality and estimated cost. A cheaper price alone is not evidence of equal quality. Review and validate a change before publishing it through a PR. A model-provider billing error is separate from your Bench allowance. Upgrading Bench does not add funds or quota to an external provider account.