cross stack 100% Deterministic Spec Audit

Scrapfly vs Vespa

Comparing architecture, runtime limits, open-source licenses, and monthly costs for autonomous agent pipelines.

Vespa

Vespa.ai (Ex-Yahoo Search Engineering)

Detailed Specifications & Compatibility Matrix

Extracted directly from GitHub REST API & official developer documentation

Technical Feature / Metric Scrapfly Vespa
Developer / Organization Scrapfly SAS Vespa.ai (Ex-Yahoo Search Engineering)
Open-Source Engine ✕ Proprietary Cloud ✓ Open Source (Apache-2.0)
GitHub Stars (Repo/SDK) Proprietary / Closed Core ★ 7,145 GitHub Stars
Core Repository Language Cloud API Java
Supported SDK Clients
pythontypescriptgocurl
pythonjavagocurl
Self-Hosted Deployment Hosted Only ✓ Supported
Docker / Container Ready Managed ✓ Official Image
Model Context Protocol (MCP) ✓ Native MCP Standard REST/gRPC
Billing Architecture usage based hybrid
Developer Free Tier
✓ Yes

1,000 free API credits

✓ Yes

100% Free Open-Source (Self-Hosted) + Cloud Trial

Entry Paid Tier (Monthly) $30 USD / mo $190 USD / mo
Pricing & Cost Architecture Free trial provides 1,000 initial API credits. Discovery plan starts at $30/mo for 200,000 API credits (basic request = 1 credit; JS rendering + residential proxy = 5-25 credits). 100% Free open-source engine (Apache-2.0) for self-hosting via Docker. Vespa Cloud managed clusters start at ~$0.26/hour (~$190/mo) with free trial credits.
Key Engineering Insight Uses custom-patched Chromium instances to mimic real residential JA3/TLS browser fingerprints, bypassing Cloudflare Turnstile and DataDome automatically. Originally engineered by Yahoo to serve billions of real-time queries per day; evaluates machine-learned ranking models (ONNX/XGBoost) directly inside the storage nodes.

Strengths & Trade-Offs

Objective engineering evaluation of both platforms

Scrapfly Evaluation

Key Advantages

  • ✓ Advanced Anti-Scraping Protection (ASP) with automated residential proxy rotation and CAPTCHA solving
  • ✓ Direct markdown format extraction parameter (&format=markdown) built specifically for LLM ingestion
  • ✓ Full JavaScript rendering engine supporting custom pre-scrape evaluate scripts and scroll triggers

Limitations & Trade-Offs

  • ✕ Advanced proxy and headless browser features consume between 5 and 25 API credits per request
  • ✕ Strictly cloud-hosted API; no on-premise Docker deployment option

Vespa Evaluation

Key Advantages

  • ✓ Evaluates custom ML ranking models (ONNX, ColBERT, cross-encoders) directly inside storage nodes in real time
  • ✓ Proven enterprise scale: handles tens of billions of vectors and hundreds of thousands of queries per second
  • ✓ True hybrid search: merges BM25, vector ANN, and structured relational filters in a single execution phase

Limitations & Trade-Offs

  • ✕ Steep operational learning curve and complex XML/YML application package schema definitions
  • ✕ High hardware resource footprint compared to lightweight single-binary vector stores

Source Quotes

Direct excerpts from official documentation backing our extracted specifications

Scrapfly Documentation Proof

PRICING:

"Discovery plan starts at $30/mo with 200,000 API credits and unlimited concurrency."

FREE_TIER:

"Free trial includes 1,000 credits to test all features and proxy networks."

SELF_HOSTED:

"Fully managed cloud infrastructure; integrations available via SDKs and REST."

Vespa Documentation Proof

PRICING:

"Open source is 100% free under Apache 2.0; Vespa Cloud pricing is metered per node-hour starting at $0.26/hr."

FREE_TIER:

"Free to self-host with unlimited data; free trial credits available for Vespa Cloud."

SELF_HOSTED:

"Vespa is open-source and provides official Docker images and Kubernetes operators."

Frequently Asked Questions: Scrapfly vs Vespa

Architectural trade-offs and decision criteria

Is Scrapfly or Vespa cheaper for developers?

Scrapfly has a starting price of $30/mo (usage based), while Vespa starts at $190/mo (hybrid). Scrapfly includes a free tier (1,000 free API credits). Vespa offers a free tier (100% Free Open-Source (Self-Hosted) + Cloud Trial).

Can I self-host Scrapfly and Vespa in my own infrastructure?

Scrapfly is a cloud-managed service only. In comparison, Vespa is available for self-hosting with Apache-2.0 licensing.

Do Scrapfly and Vespa support the Model Context Protocol (MCP)?

Scrapfly has native support for MCP servers. Vespa does not advertise built-in MCP protocol bindings.

Which programming languages have official SDKs for Scrapfly vs Vespa?

Scrapfly provides official SDKs in: python, typescript, go, curl. Meanwhile, Vespa supports: python, java, go, curl.