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Braintrust

Braintrust · #2 most active of 17 in Infrastructure & Serving

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Eval-first platform for shipping LLM features safely.

Current version

2025

Entry cost

Free tier, usage-based

Changes / 30d

0

Capabilities

  • Evals
  • Prompt playground
  • Logging

Pricing

Free tier, usage-based

Entry price over time

Not enough pricing history yet — we start charting from the second observation.

Geek mode

Models under the hood

  • model-agnostic

    disclosed

Context window

—

Public API

no

Multi-model routing

no

Stack signals

  • Cloud
  • Proxy

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

green disclosed · amber inferred · grey unknown

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

No public usage figure on record for this product.

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Elsewhere on the same models

Products in other segments that name one of Braintrust's models in their stack.

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Change history

No changes recorded yet.