AI Tools · head to head
Arize AI vs Zed

Arize AI
AI Tools
AI engineering platform for observability and evaluation of agents and LLM apps
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Arize AI the free plan caps trace spans at 25,000 per month with only 15 days of retention.; Zed newer product with smaller ecosystem than established editors
- They diverge on capability: Arize AI covers End-to-end tracing, Zed covers Real-time collaboration.
Where they differ
Only the attributes on which Arize AI and Zed actually diverge.
Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Arize AI
- End-to-end tracing
- Evaluation framework
- Prompt testing and improvement
- Alyx AI engineering agent
- Custom dashboards
- Data warehouse integrations
Only in Zed
- Real-time collaboration
- AI code completion
- Lightning-fast performance
- Rust-based architecture
- Multi-language support
- Integrated terminal
- Git integration
- Vim keybindings
What people use each for
The jobs each tool is most often brought in to do.
Arize AI
- Tracing and debugging production AI agentsnot Zed
- Running large-scale evaluations across traces and sessionsnot Zed
- Improving prompts before production rolloutnot Zed
- Storing and querying GenAI traces alongside a data warehousenot Zed
Zed
- Collaborative codingnot Arize AI
- High-performance editingnot Arize AI
- Real-time pair programmingnot Arize AI
- Systems programmingnot Arize AI
- Web developmentnot Arize AI
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Arize AI
- The free plan caps trace spans at 25,000 per month with only 15 days of retention.
- Self-hosted deployment and Data Fabric integration are restricted to the custom-priced Enterprise tier.
- Pricing beyond the $50/month Pro plan requires a custom quote, making cost planning less transparent at scale.
- Advanced compliance features like HIPAA are only available on Enterprise.
Zed
- Newer product with smaller ecosystem than established editors
- Limited extensions and plugin marketplace compared to VSCode or Sublime Text
Pricing, plan by plan
Arize AI
Free- AX FreeFree
- 25k trace spans/month
- 1 GB storage/month
- 15-day retention
- AX Pro$50/month
- 50k trace spans/month
- 10 GB storage/month
- 30-day retention
- AX Enterprise$undefined/mo
- Custom trace spans, storage, and retention
- SaaS or self-hosted deployment
- Managed agents and Data Fabric
Zed
Free- FreeFree
- Single-player editing
- Local AI assistance
- Fast performance
- Plus$10/month
- Multiplayer collaboration
- Cloud AI assistance
- Advanced features
Which should you pick?
Choose Arize AI if
- You need end-to-end tracing.
- You want to start without paying.
- You work on web, api.
- You also want evaluation framework.
Choose Zed if
- You need real-time collaboration.
- You want to start without paying.
- You work on macOS, Linux, Windows.
- You also want ai code completion.
Questions people ask
- Is Arize AI or Zed better?
- Neither clearly leads. Arize AI starts at Free and Zed at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Arize AI or Zed?
- Arize AI starts at Free and Zed at Free.
- Does Arize AI or Zed run on more platforms?
- Arize AI runs on web, api. Zed runs on macOS, Linux, Windows.
- Can I use Arize AI for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Arize AI best used for?
- Arize AI is most often used for tracing and debugging production ai agents, running large-scale evaluations across traces and sessions, improving prompts before production rollout, storing and querying genai traces alongside a data warehouse. Of those, tracing and debugging production ai agents and running large-scale evaluations across traces and sessions are not what Zed is typically brought in for.
- What can Arize AI do that Zed cannot?
- Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. Zed covers Real-time collaboration, AI code completion, Lightning-fast performance, Rust-based architecture.
Answered from the vendors’ own pages
Arize AI: What does Arize AX cost?
Arize AX offers a free plan, a Pro plan at $50/month, and a custom-priced Enterprise plan, with pricing based on trace spans, storage, and retention needs.
SourceZed: What platforms does Zed support?
Zed is available for macOS, Linux, and Windows, providing cross-platform support for developers.
SourceArize AI: Is there a free plan, and what are its limits?
The AX Free plan includes 25,000 trace spans and 1 GB of storage per month with 15-day retention, plus unlimited users, evaluations, and experiments.
SourceZed: Is Zed free to use?
Yes. Zed is open-source software available free to download and use. The editor and GPUI framework are available under open-source licenses (GPL for editor, Apache/MIT for GPUI).
SourceArize AI: What deployment options are available?
Free and Pro plans are SaaS-only, while Enterprise customers can choose SaaS or self-hosted deployment with custom SLAs.
SourceZed: What makes Zed fast compared to other editors?
Zed is written in Rust and uses GPU-accelerated rendering to achieve startup times under 500ms and keystroke latency below 2ms.
SourceZed: Does Zed support real-time collaboration?
Yes. Zed provides real-time collaborative editing and screen sharing capabilities, enabling multiple developers to work on the same code simultaneously.
SourceZed: What AI models does Zed support?
Zed supports multiple AI models and agents for agentic editing, enabling human-AI collaboration during development.
SourceZed: When was Zed 1.0 released?
Zed 1.0 was officially released on April 29, 2026, marking the stable production release.
SourceRelated pages
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- Arize AI vs Langfuse
- Arize AI vs LangSmith
- Zed vs Pika
- Zed vs Anthropic API
- Zed vs D-ID
- Zed vs Fathom
- Zed vs Stable Diffusion
- Zed vs Perplexity
- Zed vs Black Forest Labs
- Zed vs Cartesia
- Zed vs Deepgram
- Zed vs Helicone
- Zed vs Ideogram
- Zed vs Jasper
- Zed vs PromptLayer
- Zed vs Resemble AI
- Zed vs Together AI
- Zed vs AI21 Labs
- Zed vs Copy.ai
- Zed vs HeyGen
- Zed vs Cursor
- Zed vs Windsurf
- Zed vs Amp
- Zed vs Codacy
- Zed vs DeepSource
- Zed vs Augment Code
- Zed vs Drizzle ORM
- Zed vs Flagsmith
- Zed vs Unleash
- Zed vs Baseten
- Zed vs Braintrust
- Zed vs Bun
- Zed vs Cline
- Zed vs Devin
- Zed vs Factory
- Zed vs Humanloop
- Zed vs Langfuse
- Zed vs LangSmith

