Braintrust

Braintrust covers the quality-governance end of AI observability. Official pages emphasize tracing production prompts, responses, and tool calls; measuring quality with LLM, code, or human scores; turning traces into datasets; online scoring; quality gates; Topics pattern discovery; Loop optimization; framework-agnostic SDKs; and MCP access from coding agents. It is a strong fit for teams that need evals and release confidence, not just logs.

• Combines observability, evals, automation, quality gates, and production pattern discovery.
• Turns real traces into datasets for regression tests and prompt/model experiments.
• Framework-agnostic SDKs and MCP make it usable from product, engineering, and coding-agent workflows.
• Keep in mind: It is more evaluation- and governance-heavy than lightweight request-log tools, so very small teams may prefer a simpler proxy first.

• Agent building and orchestration: Braintrust applies this capability to AI evals, Production tracing workflows so users can move faster while keeping output quality reviewable.
• Model hosting, evaluation, and deployment: Braintrust applies this capability to AI evals, Production tracing workflows so users can move faster while keeping output quality reviewable.
• Workflow automation and integrations: Braintrust applies this capability to AI evals, Production tracing workflows so users can move faster while keeping output quality reviewable.
• Datasets, demos, and collaboration: Braintrust applies this capability to AI evals, Production tracing workflows so users can move faster while keeping output quality reviewable.
• Monitoring, APIs, and production operations: Braintrust applies this capability to AI evals, Production tracing workflows so users can move faster while keeping output quality reviewable.

• Open the official website and create a project, workspace, or organization. Keep a human review step in the workflow for facts, privacy, rights, and brand fit.
• Choose a model, agent template, automation flow, or deployment target. Keep a human review step in the workflow for facts, privacy, rights, and brand fit.
• Connect data sources, tools, APIs, and permissions required by the workflow. Keep a human review step in the workflow for facts, privacy, rights, and brand fit.
• Test with realistic inputs, inspect logs, and refine prompts, tools, or policies. Keep a human review step in the workflow for facts, privacy, rights, and brand fit.
• Deploy, monitor, and iterate as usage patterns and reliability requirements evolve. Keep a human review step in the workflow for facts, privacy, rights, and brand fit.

• Braintrust offers a free tier or trial, so you can evaluate it before upgrading.
• Paid plans for Braintrust start at about $0/mo, with higher tiers unlocking more usage, stronger models, and team features.
• Official pricing lists Starter at $0/month with $10 credits, 1GB processed data, and 10k scores; Pro at $249/month with 5GB processed data and 50k scores; Enterprise is custom.
• Braintrust pricing scales by processed data, scores, and token rates, so it is most comparable after estimating trace volume and eval frequency.
• Pricing last checked 2026-07-08, source: https://www.braintrust.dev/pricing. Plans can change, so confirm on the official site.

• Internal workflow automation and operations agents. Braintrust can shorten preparation time, create first drafts, or help teams compare options faster.
• AI application prototyping and model experiments. Braintrust can shorten preparation time, create first drafts, or help teams compare options faster.
• Model hosting, demos, and API-backed products. Braintrust can shorten preparation time, create first drafts, or help teams compare options faster.
• Research pipelines, data processing, and evaluation. Braintrust can shorten preparation time, create first drafts, or help teams compare options faster.
• Customer support, sales operations, and knowledge workflows. Braintrust can shorten preparation time, create first drafts, or help teams compare options faster.

• AI engineers and platform teams. If AI evals, Production tracing tasks appear often in your work, Braintrust can become part of a repeatable productivity workflow.
• Automation builders and operations teams. If AI evals, Production tracing tasks appear often in your work, Braintrust can become part of a repeatable productivity workflow.
• Startups building AI-native products. If AI evals, Production tracing tasks appear often in your work, Braintrust can become part of a repeatable productivity workflow.
• Researchers and model developers. If AI evals, Production tracing tasks appear often in your work, Braintrust can become part of a repeatable productivity workflow.
• Enterprises integrating agents into real workflows. If AI evals, Production tracing tasks appear often in your work, Braintrust can become part of a repeatable productivity workflow.