Starter
Free
Pricing page lists Starter at $0 per month with included model credits.
- Processed data
- 1 GB processed data per month included on Starter
- Retention
- 14-day retention on Starter
Finding the possibilities
Braintrust
● Identity checkedAI Observability · Vendor site 2026-10-04
Braintrust is an AI observability platform for tracing agents in production, running evaluations, and catching regressions before release. Teams inspect prompts and tool calls, score outputs, and investigate patterns across large trace volumes.
- Category
- AI Observability
- Free access
- Pricing lists a Starter plan at $0 per month with included credits and 14-day retention.
- API access
- Not confirmed
Is Braintrust right for you?
A good fit for
AI product and platform teams shipping agents who need tracing, evals, and production quality loops.
Before you choose
Starter caps processed data, scores, and retention; higher limits require Pro or Enterprise plans.
Agent observability platform
Braintrust combines trace ingestion, eval workflows, and discovery tools so teams can monitor and improve agent quality in production.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Tracing | Homepage emphasizes real-time inspection of agent traces, tool calls, and latency. | Facts sourced | 2026-10-04 |
| Evaluations | Product pages describe datasets, experiments, and scoring with LLM, code, or human graders. | Facts sourced | 2026-10-04 |
| Loop agent | Pricing table includes Braintrust Loop for autonomous prompt and eval iteration on paid tiers. | Facts sourced | 2026-10-04 |
Understand the total cost
Braintrust pricing & plans
Pro
$249.00 /mo
Pricing page lists Pro at $249 per month for AI-native teams.
- Processed data
- 5 GB processed data per month included on Pro
- Retention
- 30-day retention on Pro
Alternatives to Braintrust
View all ↗
CerebriumCerebrium is a serverless GPU platform for deploying real-time AI workloads such as voice agents, video models, and LLMs with sub-second cold starts and elastic scaling. Teams run Python apps on managed GPUs across multiple regions and pay for compute by the second rather than reserved capacity.
Explore tool
DualiteDualite is a vibe-coding platform that turns prompts into web and mobile apps, dashboards, and AI agents without traditional coding. It supports Figma-to-code, GitHub import, backend databases, authentication, and downloads with models such as GPT 5.1, Claude Sonnet 4.5, and Gemini 3 Pro.
Explore tool
MaritimeMaritime hosts persistent AI agents, each in its own Firecracker micro-VM with durable disk. Agents sleep when idle, wake in about a second, and scale from a free tier to paid plans with configurable RAM, SSD, and always-on options.
Explore toolThe practical questions
Frequently asked questions
What is Braintrust used for?
Braintrust is an AI observability platform for tracing agents in production, running evaluations, and catching regressions before release. Teams inspect prompts and tool calls, score outputs, and investigate patterns across large trace volumes.
Does Braintrust have a free plan?
Pricing lists a Starter plan at $0 per month with included credits and 14-day retention.. This record lists ongoing free access; check the plan limits before starting.
How much does Braintrust cost?
The listed monthly price is $249.00 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Braintrust through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Starter caps processed data, scores, and retention; higher limits require Pro or Enterprise plans.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.