Gladia vs Spider Cloud

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-08-23
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At a glance

DimensionGladiaSpider Cloud
PricingFreemium; $0.30/hr credit-based (new 2026-07-03)Freemium; $0.03/1K pages; $6/mo AI Studio add-on
Core FunctionAudio transcription & intelligence APIWeb scraping & crawling for AI agents
Latency / SpeedReal-time <300ms stream; partial <100msVariable based on target site; Rust engine fast
Languages100+ languages with auto-detect & code-switchingN/A (works with any web content language)
Key FeatureSpeaker diarization (#1 pyannoteAI); audio-to-LLM pipelineBrowser AI commands (Act/Extract/Observe via WebSocket) – new 2026-03-05
Ideal ForVoice products, contact centers, meeting assistantsRAG pipelines, AI agents needing real-time web data

Spider Cloud and Gladia serve completely different domains: Spider Cloud extracts structured web data for AI agents and RAG, while Gladia transcribes and enriches audio. Choose Spider Cloud if your AI needs live web content; choose Gladia if you're building voice products. Both offer freemium entry with competitive pay-as-you-go pricing, but their feature sets don't overlap. No direct competition.

Try GladiaTry Spider Cloud
Gladia
Gladia

Real-time & batch transcription API with built-in audio intelligence for multilingual voice apps

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Spider Cloud
Spider Cloud

AI web scraping API that turns any site into markdown or JSON for AI agents, pay-as-you-go or flat-rate.

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Pricing
Freemium
Freemium
Plans
$0.61/hr async, $0.75/hr real-time, €50 free credits
Async from $0.20/hr, Real-time from $0.25/hr (custom)
Custom (annual)
$0
$1/GB
$40/mo
$6/mo
Popularity
6 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
APIWebDesktop
WebAPICLI
Categories
✨ Transcription & Speech-to-Text☎️ Voice AI Agents & Phone Automation👥 Meeting Assistants & Notetakers
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Real-time streaming transcription (sub-300ms latency)
Batch/async transcription for pre-recorded audio
Partial transcripts in under 100ms for live conversations
Solaria-3 model: 9.6% WER on real English audio
100+ languages with automatic detection
Code-switching between languages
Speaker diarization (#1 on pyannoteAI benchmark)
PII redaction
Sentiment analysis (94% confidence)
Named entity recognition (names, emails, addresses)
Chapterization and summarization
Audio-to-LLM pipeline (native or bring-your-own-model)
Translation and subtitles generation
Custom vocabulary and custom spelling
CLI tool (gladia-cli) for command-line transcription
Scrape any website into markdown or JSON
Full-site crawling at 100K+ pages/sec
SERP, scraping, and extraction in one Web Search API call
Silk custom AI model for HTML-to-structured-data and captcha solving
Browser Cloud with CDP control and AI commands via WebSocket
Supports HTML, raw, plain text, JSON, JSONL, CSV, and XML
Stealth browser layer to bypass anti-bot measures
1,000+ ready-made scraper examples across 32 categories
10,000 core API requests per minute by default
Flat-rate Unlimited plan and pay-as-you-go with no expiry
Rust engine for performance
Robots.txt compliance on by default, disable per-request
Native integrations for LangChain, LlamaIndex, CrewAI, FlowiseAI, AutoGen, Agno
Integrations
Zoom
Google Meet
Microsoft Teams
Pipecat
Livekit
Vapi
Recall
Twilio
Zapier
Make
n8n
Salesforce
Attendee
VideoSDK
Composio
LangChain
LlamaIndex
CrewAI
FlowiseAI
AutoGen
Agno

What real users say: Gladia vs Spider Cloud

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Gladia

64 mentions across 4 sources · 32% positive — critical

Hacker News, YouTube, Bluesky, Lemmy

What users praise

  • • #1 on STT blind test according to compare-stt.com
  • • Sub-300ms real-time streaming with <100ms partials
  • • Bundled intelligence features at no extra cost
  • • 100+ languages with auto-detection and code-switching

What frustrates them

  • • Hallucinated on tricky audio where competitors stayed silent
  • • Solaria-3 initial language coverage is limited to 5 languages
  • • Community support is thin outside HN and few Bluesky posts
  • • Vendor lock-in concerns for open-source proponents

Researched Jul 5, 2026

Spider Cloud

41 mentions across 2 sources · 10% positive — critical

YouTube, Lemmy

What users praise

  • • One endpoint for scraping, crawling, search, and browser automation.
  • • Converts sites to markdown, JSON, JSONL, CSV, XML—flexible outputs.
  • • Rust engine and stealth browser claim strong anti-bot bypass.
  • • Silk AI model handles captchas and HTML-to-structured data on GPUs.

What frustrates them

  • • No real user reviews to validate performance or reliability.
  • • Brand name confuses with Spider-Man, hurting discoverability.
  • • Pricing details are vague—hidden costs may apply.
  • • Learning curve for non-developers could be steep.

Researched Aug 18, 2026

Who should pick which

  • AI agent builder (RAG)
    Pick: Spider Cloud

    Needs live web data in structured formats for LLM context; Spider Cloud's scraping API, search endpoint, and AI Studio enable natural language crawling. Integrates with LangChain and LlamaIndex.

  • Voice agent developer
    Pick: Gladia

    Requires real-time, low-latency transcription with partial transcripts and speaker diarization. Gladia's sub-100ms partials and 100+ language support are essential for conversational voice products.

  • Contact center manager
    Pick: Gladia

    Needs accurate transcription, sentiment analysis, and PII redaction for compliance. Gladia's native audio intelligence and meeting platform integrations (Zoom, Teams) streamline workflow.

  • Content researcher (data extraction)
    Pick: Spider Cloud

    Needs to scrape thousands of pages into structured formats like CSV/JSON. Spider Cloud's 1,000+ scrapers and data connectors to Sheets/S3 automate the pipeline.

  • Media subtitle creator
    Pick: Gladia

    Requires transcription, translation, and chapterization for videos. Gladia's batch transcription and subtitle generation are ideal for this use case.

Frequently Asked Questions

Gladia vs Spider Cloud: which should you choose?

Spider Cloud and Gladia serve completely different domains: Spider Cloud extracts structured web data for AI agents and RAG, while Gladia transcribes and enriches audio. Choose Spider Cloud if your AI needs live web content; choose Gladia if you're building voice products. Both offer freemium entry with competitive pay-as-you-go pricing, but their feature sets don't overlap. No direct competition.

Can Spider Cloud handle dynamic JavaScript-rendered pages?

Yes, via Browser Cloud with stealth anti-detection and new Browser AI commands (Act/Extract/Observe) via WebSocket.

Does Gladia support multiple speakers in a conversation?

Yes, it offers speaker diarization ranked #1 on the pyannoteAI benchmark.

Which tool is better for a RAG pipeline that ingests both web pages and meeting transcripts?

Neither covers both perfectly. You would need both tools: Spider Cloud for web scraping, Gladia for audio transcription.

How does Spider Cloud's pricing compare to traditional scraping services?

At $0.03 per 1K pages, it's among the cheapest; failed pages are not billed. AI Studio is an extra $6/mo.

What languages does Gladia support?

Over 100 languages with automatic detection and code-switching within the same audio file.

Can Gladia be used for real-time transcription in a live call?

Yes, it offers real-time streaming with sub-300ms latency and partial transcripts in <100ms.

Does Spider Cloud offer an open-source version?

Yes, the core engine is open-source on GitHub, allowing self-hosting as a fallback.

What integrations does Gladia have with telephony platforms?

It integrates with Twilio, VideoSDK, and agent frameworks like Pipecat, Livekit, and Vapi.

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Explore each tool further

Gladia
View Gladia reviewGladia alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI Transcription & Speech-to-Text toolsBest AI Web Scraping & Search APIs toolsBest AI Voice AI Agents & Phone Automation toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026