Overview
Weights & Biases Weave — LLM evaluation and tracing for production
Weave by Weights & Biases is a framework for tracing, evaluating and improving LLM applications. Log every prompt, response and intermediate step; run systematic evaluations with custom scorers; compare model versions with A/B testing.
LLM call tracing and logging
Evaluation framework with custom scorers
Dataset versioning for evals
Model comparison dashboards
Features & capabilities
Everything it does, in plain English.
FeatureLLM call tracing and loggingIncluded
FeatureEvaluation framework with custom scorersIncluded
FeatureDataset versioning for evalsIncluded
FeatureModel comparison dashboardsIncluded
FeatureIntegrates with all major LLM SDKsIncluded
API AccessProgrammatic access available for developers.Available
PlatformsWeb · API
The honest take
Where it shines, where it stumbles.
✓ Pros
- ✓Deep integration with W&B ecosystem
- ✓Free tier for small projects
- ✓Comprehensive tracing
! Watch-outs
- !Can be complex to set up full eval pipelines
- !Requires W&B account
Who it's for
Where Weights & Biases Weave pays for itself fast.
— Use case
AI product quality assurance
— Use case
Debugging LLM applications
— Use case
Model upgrade evaluation
Community reviews
Share your take on Weights & Biases Weave
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L
★★★★★
1 months ago
Impressed with the results
Strong product with room to grow. I've tried 5 similar tools and this one is clearly the best in class. Integration with my existing tools was seamless — no friction at all. Occasional slowdowns during peak hours.
A
★★★★★
3 months ago
Really good — a few things to improve
Works really well for my use case. Pricing is fair for the value you get. My only complaint is the pricing could be more competitive. Would recommend to anyone in my industry.
C
★★★★★
3 months ago
Good value, works well
Strong product with room to grow. The outputs require minimal editing — saves so much back-and-forth. Some features feel half-baked — hopefully they'll improve.
P
★★★★★
4 months ago
Outstanding experience
Can't imagine working without it now. The recent updates have addressed most of my initial concerns. Definitely worth trying.
A
★★★★★
4 months ago
Useful and reliable
Good value for the price. Reduced the time I spend on this task by about 70%. Integration with my existing tools was seamless — no friction at all. The AI suggestions are incredibly accurate and save me hours every week. The learning curve was steeper than expected.
D
★★★★★
6 months ago
Good for some things, not others
Useful but frustrating at times. I've recommended this to at least 10 colleagues already. The UI takes some getting used to.
A
★★★★★
9 months ago
Exceptional quality and value
Can't imagine working without it now. Reduced the time I spend on this task by about 70%. The recent updates have addressed most of my initial concerns. I've recommended this to at least 10 colleagues already. Keep up the great work, team.
B
★★★★★
10 months ago
Worth every cent
Game changer for my workflow. The customization options let me tailor it to my exact workflow. Performance is fast — no noticeable latency even on large inputs. Will continue using this long-term.
A
★★★★★
1 years ago
Mixed experience overall
Useful but frustrating at times. The customization options let me tailor it to my exact workflow. The interface is intuitive enough that I didn't need to read any docs. Occasional slowdowns during peak hours.
K
★★★★★
1 years ago
Outstanding experience
Game changer for my workflow. I've recommended this to at least 10 colleagues already. The collaboration features are genuinely well thought-out. Will continue using this long-term.
R
★★★★★
1 years ago
Good for some things, not others
Has potential, but needs polish. I use this daily and it's become essential to how I work. A few missing integrations I'd like to see added.
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