FixAIbugsin30seconds,not30minutes
See exactly why your AI gave a wrong answer. Click the broken step. Swap the input. Replay. Fixed.
Stop reading logs. Start seeing answers.
Every second you spend parsing trace output is a second you are not shipping. There is a better way.
2,847 more lines below...
Root cause detected
openai-client hit rate limit (58/60 rpm). The 2s retry delay added 41% latency. Consider request queuing or a higher quota tier.
Seeitinaction
A real user hits a bug in production. Watch how Glassbrain finds and fixes it in 30 seconds.
A customer asks your support chatbot about the return policy.
What is your return policy?
You can return items within 90 days of purchase.
Wrong answer
The real return window is 14 days. The bot is wrong.
Everything you need to fix AI, fast
Debug, replay, and optimize your AI workflows.
Visual Trace Tree
See your AI's entire reasoning chain as an interactive, clickable tree.
Time-Travel Replay
Click any node, change the input, replay from that point without redeploying.
AI Fix Suggestions
Get concrete fix proposals powered by Claude. Not just what went wrong, but exactly what to change.
Diff View
Side-by-side before and after comparison so you can see exactly what improved.
Shareable Links
Generate a URL for any debugging session. Share it with your team. They see everything.
One-Line Setup
npm install glassbrain. Add one import. You are tracing in under five minutes.
Works with your stack
Plus any custom stack via our OpenTelemetry-compatible endpoint
Simple pricing that scales with you
Free
- 1,000 traces/month
- Visual trace tree
- Time-travel replay
- 10 AI fix suggestions/month
- 5 before/after comparisons per month
- 1 project
- 24-hour retention
- OpenAI + Anthropic SDKs
Pro
- 50,000 traces/month
- 30-day retention
- Unlimited AI fix suggestions
- Unlimited before/after comparisons
- 5 projects
- All SDK integrations + OpenTelemetry
- Slack + Discord alerts
Team
- Everything in Pro
- 200,000 traces/month
- 60-day retention
- 5 team members
- 10 projects
- Shareable replay links
- Team collaboration
Business
- Everything in Team
- 500,000 traces/month
- 90-day retention
- 15 team members
- Unlimited projects
- CI/CD integration
- SSO
- Priority support
| Feature | Free | Pro | Team | Business |
|---|---|---|---|---|
| Visual trace tree | ||||
| Time-travel replay | ||||
| AI fix suggestions | 10/mo | Unlimited | Unlimited | Unlimited |
| Traces/month | 1,000 | 50,000 | 200,000 | 500,000 |
| Retention | 24 hours | 30 days | 60 days | 90 days |
| Projects | 1 | 5 | 10 | Unlimited |
| OpenAI + Anthropic SDKs | ||||
| LangChain + LlamaIndex | ||||
| OpenTelemetry | ||||
| Before/after comparison | 5/mo | |||
| Slack/Discord alerts | ||||
| Team members | 5 | 15 | ||
| Shareable replay links | ||||
| Team collaboration | ||||
| CI/CD integration | ||||
| SSO | ||||
| Priority support |
FAQ
Frequently asked questions
Glassbrain is a visual debugging tool for AI-powered applications. It captures every step of your AI's reasoning chain - from user input through retrieval and LLM calls to final output - and displays it as an interactive trace tree. When something goes wrong, you can click on any node, inspect the data, swap inputs, and replay to verify fixes without redeploying.
StartfixingAIbugstoday
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