I want to A/B test different prompts in production. What feature flagging platform is best with support for LLM evaluation?

Snapshot as of Mar 12, 2026. Sign up free to see the latest daily data.

Total mentions

265

Unique brands

Avg brands/response

7.4

Top domain

braintrust.dev

Top brand

Braintrust

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Full brand & citation dataResponse trends over timeTrack your brand's ranking

Prompt visibility

Prompt visibility score combining mention rate and average position - 0-100 scale.

Top brand - Visibility score

Braintrust36.5%

PromptLayer29.3%

LangSmith21.0%

Responses

Counts only on free plans

Total responses

Total mentions

265

Total citations

616

Related prompts

Other prompts with similar intent

Which tool is the best for managing and evaluating prompts for our team's LLM-powered features?We need a platform to manage and evaluate prompts for our LLM-powered features across our development team.We use a feature flag platform. Who offers an experimentation tool that analyzes the results of these flags?The problem is, we don't know which of our prompts are performing best. What's the best platform for A/B testing prompts in production?I need an SDK for evaluation that helps me A/B test prompt variations in production.We want to create a comprehensive test suite for our production LLM prompts. What's the best framework for prompt unit testing and integration testing?

Response details

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Citation breakdowns

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Total mentions

265

Unique brands

Avg brands/response

7.4

Top domain

braintrust.dev

Top brand

Braintrust

Unlock full data

Full brand & citation dataResponse trends over timeTrack your brand's ranking

Prompt visibility

Prompt visibility score combining mention rate and average position - 0-100 scale.

Top brand - Visibility score

Braintrust36.5%

PromptLayer29.3%

LangSmith21.0%

Responses

Counts only on free plans

Total responses

Total mentions

265

Total citations

616

Related prompts

Other prompts with similar intent

Top brand - Mention rate

PromptLayer75.0%

Braintrust62.5%

LangSmith62.5%

Statsig37.5%

Variably25.0%

Top brand - Avg. position

Variably1.5

Braintrust2.1

LangSmith3.3

PromptLayer3.5

Statsig4.7

Top cited URLs

braintrust.dev

3.9%

flagsmith.com

3.2%

braintrust.dev

2.8%

braintrust.dev

2.8%

mscsquared.com

2.8%