Staxly

Exa vs Neon

AI search API for developers — neural + keyword hybrid for agents
vs. Serverless Postgres with branching and bottomless storage

Exa websiteNeon website

Pricing tiers

Exa

Free Tier
1,000 requests/month at no cost. Access to all core products.
Free
Pay-as-you-go
Usage-based per endpoint. No monthly minimum.
$0 base (usage-based)
Startup + Education Grants
$1,000 in free credits for qualifying projects.
$0 base (usage-based)
Enterprise
Custom. High-volume, custom datasets, rate limits, SLA, dedicated support.
Custom
Exa website

Neon

Free
100 projects, 0.5 GB storage + 100 CU-hours each. Great for prototypes and preview envs.
Free
Launch
Usage-based, no minimum. Small production workloads. $0.35/GB-month storage, $0.106/CU-hour.
$0 base (usage-based)
Scale
Usage-based, higher compute tier + faster instances ($0.222/CU-hour). Up to 30-day PITR, 1,000 projects.
$0 base (usage-based)
Business
Usage-based with 99.95% SLA, HIPAA available. Private networking $0.01/GB.
$0 base (usage-based)
Neon website

Free-tier quotas head-to-head

Comparing free on Exa vs free on Neon.

MetricExaNeon
branches per project10 branches
cu hours per project100 CU-hours/month
egress gb month5 GB/month
pitr retention hours6 hours
projects100 projects
storage gb per project0.5 GB
team members3 users

Features

Exa · 13 features

  • Answer APIQuery → direct answer with citations.
  • Category FilterFilter to news, research papers, company, github, tweet, pdf, financial report,
  • Contents APIRetrieve cleaned full-text + summaries from URLs.
  • Custom Datasets (Ent)Enterprise: private indexing of your own corpus.
  • Deep Reasoning SearchAdds LLM reasoning on top of Deep Search.
  • Deep SearchMulti-hop iterative search for complex queries.
  • Find SimilarGiven a URL, find semantically similar pages.
  • HighlightsExtract most-relevant passages per result.
  • LivecrawlFetch pages on-demand (bypass cache) for freshness-critical queries.
  • MCP ServerOfficial Exa MCP for Claude Code / Cursor / Agents.
  • MonitorsScheduled recurring search → alerts on new results.
  • Search APINeural + keyword web search for agents. Returns ranked URLs.
  • SummariesLLM-generated page summaries.

Neon · 14 features

  • AutoscalingCompute scales CPU + memory between min and max CU in seconds based on load.
  • BranchingGit-like DB branches: copy-on-write snapshots of data + schema. Instant, cheap.
  • Data API (REST)PostgREST-compatible REST endpoint auto-generated from your schema. Uses Postgre
  • IP AllowlistRestrict DB access to specific CIDRs. Launch+.
  • LaunchpadOne-click create-a-database link that can be embedded in OSS repos (DATABASE_URL
  • Logical ReplicationPublish changes to Snowflake, BigQuery, Kafka, or other Postgres. Subscribe from
  • MonitoringBuilt-in dashboards for CPU/RAM/connections/slow queries. Prometheus export on B
  • Neon AuthStack Auth integrated: users table auto-synced into your Postgres (public.users_
  • Point-in-Time RestoreRestore DB to any moment in the retention window (6h free → 30d Scale) via branc
  • Private NetworkingAWS PrivateLink / VPC peering. Business plan.
  • Read ReplicasCreate a read-only compute endpoint on the same branch. Zero replication lag (re
  • Scale to ZeroCompute suspends when idle — no charge for compute while paused. Cold-start ~300
  • Schema DiffCompare schema between branches — build PR checks and preview migrations safely.
  • SQL over HTTPServerless driver lets you query Postgres over HTTPS — works in edge runtimes (V

Developer interfaces

KindExaNeon
CLINeon CLI
SDKexa-js, exa-py@neondatabase/serverless
RESTExa REST APIManagement / Control Plane API, Neon Data API (REST), SQL over HTTP
MCPExa MCP ServerNeon MCP Server
OTHERExa DashboardPostgres Wire Protocol
Staxly is an independent catalog of developer platforms. Outbound links to Exa and Neon are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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