Overview
Helicone — Open-source LLM observability platform
Helicone is an open-source LLM observability platform that adds one line of code to log all LLM requests. It provides real-time cost tracking, latency monitoring, caching, user analytics, and prompt management — supporting OpenAI, Anthropic, Azure, and any LLM provider via a proxy layer.
One-line integration
Cost tracking
Caching
User analytics
Features & capabilities
Everything it does, in plain English.
FeatureOne-line integrationIncluded
FeatureCost trackingIncluded
FeatureCachingIncluded
FeatureUser analyticsIncluded
FeaturePrompt versioningIncluded
API AccessProgrammatic access available for developers.Available
PlatformsAPI · Web
The honest take
Where it shines, where it stumbles.
✓ Pros
- ✓Trivial to integrate
- ✓Open-source
- ✓Good free tier
- ✓Provider-agnostic
! Watch-outs
- !Less features than commercial alternatives
- !Newer product
Who it's for
Where Helicone pays for itself fast.
— Use case
LLM cost management
— Use case
Production monitoring
— Use case
Debugging AI applications
— Use case
Team observability
Community reviews
Share your take on Helicone
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K
★★★★★
1 months ago
Really good — a few things to improve
Really solid tool overall. Reduced the time I spend on this task by about 70%. Customer support responded within hours and solved my issue. The learning curve was steeper than expected. Best tool in this category, hands down.
B
★★★★★
1 months ago
Really good — a few things to improve
Genuinely useful — glad I tried it. It handles edge cases better than anything else I've tried. Pricing is fair for the value you get. The collaboration features are genuinely well thought-out. The mobile experience could use some work. Will continue using this long-term.
L
★★★★★
2 months ago
Strong product overall
Mostly great, minor complaints. Works consistently across all my devices and browsers. I've tried 5 similar tools and this one is clearly the best in class. Performance is fast — no noticeable latency even on large inputs. Keep up the great work, team.
P
★★★★★
3 months ago
Happy with my subscription
Does what it promises and does it well. The accuracy has improved significantly with recent model updates. Works consistently across all my devices and browsers. Five stars — no hesitation.
P
★★★★★
3 months ago
Incredible — highly recommend
Can't imagine working without it now. The onboarding flow was smooth and I was productive from day one. It integrates well with VS Code / Slack / Notion — my daily drivers. It integrates well with VS Code / Slack / Notion — my daily drivers. Definitely worth trying.
W
★★★★★
4 months ago
Impressed with the results
Really solid tool overall. I've tried 5 similar tools and this one is clearly the best in class. The customization options let me tailor it to my exact workflow.
P
★★★★★
5 months ago
Decent but has room to grow
Has potential, but needs polish. The onboarding flow was smooth and I was productive from day one. Works consistently across all my devices and browsers.
P
★★★★★
5 months ago
The best product I've used
Can't imagine working without it now. I've recommended this to at least 10 colleagues already.
J
★★★★★
7 months ago
Useful and reliable
Works really well for my use case. The collaboration features are genuinely well thought-out. Integration with my existing tools was seamless — no friction at all. A few missing integrations I'd like to see added.
L
★★★★★
7 months ago
Really good — a few things to improve
Strong product with room to grow. The API is well-documented and easy to work with. My team adopted this immediately after I shared it with them. Performance is fast — no noticeable latency even on large inputs. The UI takes some getting used to.
H
★★★★★
8 months ago
Good for some things, not others
Decent tool, not without issues. The outputs require minimal editing — saves so much back-and-forth.
V
★★★★★
11 months ago
Very useful, mostly polished
Genuinely useful — glad I tried it. The collaboration features are genuinely well thought-out. Five stars — no hesitation.
C
★★★★★
1 years ago
Mixed experience overall
Mixed feelings, but ultimately positive. The ROI was clear within the first week of using it. The outputs require minimal editing — saves so much back-and-forth.
T
★★★★★
1 years ago
Great tool, minor quibbles
Good value for the price. The collaboration features are genuinely well thought-out. A few missing integrations I'd like to see added.
A
★★★★★
1 years ago
Had some issues
Customer support left a lot to be desired. Works consistently across all my devices and browsers. A few missing integrations I'd like to see added.
C
★★★★★
1 years ago
Best in class, no question
Best-in-class, period. Integration with my existing tools was seamless — no friction at all. Looking forward to seeing how it improves.
N
★★★★★
1 years ago
Very useful, mostly polished
Really solid tool overall. Integration with my existing tools was seamless — no friction at all. Customer support response times could be faster. Keep up the great work, team.
V
★★★★★
1 years ago
Incredible — highly recommend
Seriously impressive. The ROI was clear within the first week of using it.
V
★★★★★
1 years ago
Best in class, no question
Game changer for my workflow. Integration with my existing tools was seamless — no friction at all. The interface is intuitive enough that I didn't need to read any docs. The ROI was clear within the first week of using it. My team is very happy with the results.
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