Key features
Core capabilities each platform advertises.
- Code-aware QA testing
- End-to-end user flow testing
- Developer intent understanding
- Automated QA replacement
- CI integration
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Updated March 27, 2026
AI QA engineer that reads source code to understand developer intent, then tests real user flows end-to-end — replacing manual QA.
Graphite is a modern code review platform built around stacked pull requests and AI-powered review. It streamlines the PR workflow with automatic stacking, merge queues, and AI-generated summaries and suggestions. Popular with fast-moving engineering teams who want to ship code faster while maintaining quality.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
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Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.
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