Braintrust
braintrust.dev
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Overview
Braintrust is a San Francisco company founded in 2023 that provides evaluation and observability tooling for teams shipping large language model products. Its platform stores prompts and datasets, scores model outputs against them and tracks regressions as models and prompts change, turning AI development into a measurable engineering loop. It is used by software companies that need to compare providers and validate agents before release.
News
Evaluating the GPT-5.6 family - Evals
I mapped the GPT-5.6 family across task families and difficulty, with an Anthropic comparison, to find the cheapest model that clears your reliability bar.
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Automate pattern discovery with Topics, now generally available - Blog
Topics reads your production AI traces and automatically clusters them into named categories, so you can go from pattern discovery to validated fix without switching tools.
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AI evaluation startup Braintrust confirms breach, tells every customer to rotate sensitive keys
Braintrust, a startup that makes an
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Encyclopedia Evalica
A complete alphabetical index of Encyclopedia Evalica terms and definitions.
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How Retool uses Loop to turn logs into AI roadmap decisions - Customers
Learn how Retool uses Loop to query production data and define their product roadmap.
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Technologies
Tech DNA
Python
TypeScript
Cloudflare
LLM
AI/ML
Python
Anthropic
Braintrust
LLM
OpenAI
Prompt Engineering
Cloudflare
Kubernetes
Terraform
Other
TypeScript
Slack
Stack modernity
80/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Python
1 job
Required
$190k
+6% vs market
TypeScript
1 job
Required
$190k
+6% vs market
Terraform
1 job
Optional
$190k
+3% vs market
Slack
1 job
Required
$190k
+2% vs market
Prompt Engineering
1 job
Optional
$190k
+1% vs market
Kubernetes
1 job
Optional
$190k
+6% vs market
Cloudflare
1 job
Required
$190k
-14% vs market
LLM
1 job
Required
$190k
-5% vs market
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
25%
Kubernetes
18%
TypeScript
17%
LLM
15%
Terraform
14%
Prompt Engineering
7%
Share of companies in the same industry that use each technology.
Stack changes
TypeScript
Sep 2026
Terraform
Sep 2026
Slack
Sep 2026
Python
Sep 2026
Prompt Engineering
Sep 2026
OpenAI
Sep 2026
LLM
Sep 2026
Kubernetes
Sep 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Jobgether
Salesforce
Litera
Clera
Braintrust
Lovable
Growth
Hiring Momentum
58/100
Growing
Open positions
1
0 opened / 0 closed in 30 days
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Support
100% ▲
Activity Timeline
Added TypeScript to stack
Sep 2026
Added Terraform to stack
Sep 2026
Added Slack to stack
Sep 2026
Added Python to stack
Sep 2026
Added Prompt Engineering to stack
Sep 2026
Added OpenAI to stack
Sep 2026
Added LLM to stack
Sep 2026
Added Kubernetes to stack
Sep 2026
Added Cloudflare to stack
Sep 2026
Added Braintrust to stack
Sep 2026
Added Anthropic to stack
Sep 2026
Jobs
Developer Support Engineer (Singapore)
2 months ago$140k – $190k per year • Remote • Full-Time • Singapore
Python
TypeScript
Anthropic
Braintrust
LLM
OpenAI
Prompt Engineering
DevOps
Cloudflare
Kubernetes
Terraform
Management
Slack
Apply