Athina AI vs Braintrust (2026)
vs
Overview
Rating
10.0 / 10
Rating
10.0 / 10
Best For
—
Best For
Teams that want structured evals, experiments, and datasets tied to production traces
Product Summary
Athina AI is a monitoring and evaluation platform for production LLM applications.
Product Summary
Braintrust is an LLM evaluation and observability platform. Compare its evals, tracing, pricing, pros and cons, and alternatives.
Starting Price
—
Starting Price
Free
Free Trial
No
Free Trial
No
Free Version
No
Free Version
Yes
Website
Website
Key features
Core capabilities each platform advertises.
Data not available
- Experiments comparing prompts and models
- Code-based and LLM-as-judge scorers
- Datasets built from production traces
- Production logging and tracing
Strengths and tradeoffs
What each tool does well, and the limitations to keep in mind.
Pros
- Comprehensive platform covering entire AI development lifecycle from prototyping to production
- 50+ preset evaluations from established providers like Ragas and Guardrails
- Strong enterprise features including SOC-2 Type 2 compliance and self-hosted deployment
- Y Combinator-backed with proven clients like Perplexity and Meesho
- Generous free starter plan with 10k logs/month and unlimited prompts
Cons
- Small team of 11 employees may limit support capacity for enterprise clients
- Lack of transparent pricing for Pro and Enterprise plans requiring sales contact
- Founded in 2022, relatively new compared to more established observability platforms
Pros
- Unlimited users on every plan, including free
- Production traces, datasets, and experiments connect in one eval workflow
- Framework-agnostic SDKs across multiple languages
- Loop agent drafts scorers and datasets from your own data
Cons
- Processed data and scores bill separately, and both grow with eval volume
- 14-day retention on Starter and 30 days on Pro
- Gateway is in public preview with no SLA
- Self-hosting and custom data export are Enterprise only
Athina AI or Braintrust — which should you choose?
Choose Athina AI if you wantChoose if you want
Data not available
Choose Braintrust if you wantChoose if you want
- Iterating on prompts with production data
- Running evaluations across model versions
- Building golden datasets from production traffic
- Human review of LLM outputs
Compare Athina AI and Braintrust on your own traffic
10KFree traces/mo
1,000+Models
5 minSetup
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.
Try Respan free